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Topic: What problems have you had with your C6?

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What problems have you had with your C6? (1/49)
5/4/21 9:45am

Adam Wartell
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Eagleville, PA - USA

Vette(s):
1979 "Corvette Red" Coupe

Joined: 5/16/2003
Posts: 3284

I had a suggestion to collect a list of common problems that people have experienced with their C6. It could be anything from strange tire wear to electrical issues. Whatever the issue(s), reply to this post with the Year, Model & Engine of your C6 and a brief description of the issue(s) you had, and what the cause and solution were.

|UPDATED|5/4/2021 6:45:49 AM (AZT)|/UPDATED|

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Re: What problems have you had with your C6? (2/49)
11/6/13 1:28pm

Alansvette
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Palatine, IL - USA

Vette(s):
2005 convt

Joined: 7/12/2013
Posts: 3

Air bag light on,wiggle the wires under the drivers seat ,the light went off

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Re: What problems have you had with your C6? (3/49)
11/7/13 12:28pm

chuckjosephson
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Supply, NC - USA

Vette(s):
2006 Monterey Red Coupe / 2013 Night Race Blue Metallic Coupe with Cashmere Interior.

Joined: 8/29/2007
Posts: 12

On my 2006 had to have the targa roof replaced through a factory recall due to adhesive letting go. If you have a 2005 or 2006 and the top creaks, check it out since it could de-laminate and fly off the car.

Re: What problems have you had with your C6? (4/49)
11/7/13 12:32pm

chuckjosephson
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Supply, NC - USA

Vette(s):
2006 Monterey Red Coupe / 2013 Night Race Blue Metallic Coupe with Cashmere Interior.

Joined: 8/29/2007
Posts: 12

I have a new 2013 coupe with the infotainment option including XM radio and navigation. The navigation doesn't work within a couple miles of my house or within most developments in Southeastern North Carolina. I've had the navigation disk checked and I DO have the most current. Chevrolet claims that this is normal operation. The local service tech. told me that the technology of the disk based navigation goes back to 1998. The C7 is satellite based and works better according to him.

I'd appreciate any suggestions in using the C6 navigation. I currently have my Garmin Nuvi mounted above the factory unit and use that. I do not use the nav that came with the car.

Thanks,

Re: What problems have you had with your C6? (5/49)
11/7/13 4:23pm

PColarossi
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Lake Orion, MI - USA

Vette(s):
2005 Black Coupe Auto Trans Corsa Sport Exhaust AirRaid Intake Z06 Sway Bars

Joined: 8/10/2006
Posts: 18

My 2005 had the battery replaced under warranty, I replaced the EVAP solenoid this season. The dreaded "Service Traction Control System" light just started, even after the recall was done (it was done about 2 or 3 years ago). But that's about all in the 8 yrs that I've owned it. It's been a great car. I do baby it though. The exhaust was replaced because it was too quiet.... ha! ha!

Pete

Re: What problems have you had with your C6? (6/49)
11/7/13 7:25pm

chuckjosephson
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Supply, NC - USA

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2006 Monterey Red Coupe / 2013 Night Race Blue Metallic Coupe with Cashmere Interior.

Joined: 8/29/2007
Posts: 12

I'd be interested in what you replaced the exhaust with. I'm looking for a little more sound, but no droning on the highway, and no head turning under normal acceleration.

thanks,

Re: What problems have you had with your C6? (7/49)
11/8/13 12:07pm

Alansvette
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Palatine, IL - USA

Vette(s):
2005 convt

Joined: 7/12/2013
Posts: 3

BB bullets best sound

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Re: What problems have you had with your C6? (8/49)
11/8/13 5:52pm

PColarossi
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Lake Orion, MI - USA

Vette(s):
2005 Black Coupe Auto Trans Corsa Sport Exhaust AirRaid Intake Z06 Sway Bars

Joined: 8/10/2006
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chuckjosephson said: I'd be interested in what you replaced the exhaust with. I'm looking for a little more sound, but no droning on the highway, and no head turning under normal acceleration.

thanks,

Chuck, I had a Corsa sport installed. I did not get the X pipe since I like the burble sound when you back off of it. Sounds great at idle & gives a little more "roar" when accelerating. Absolutely no drone at highway speeds. Should've come that way from the factory.

Pete

Re: What problems have you had with your C6? (9/49)
11/10/13 6:24pm

fp_vetter07
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Copperas Cove, TX - USA

Vette(s):
07 Machine Silver Coupe 6 sp pattle shift auto 72 Stingray convertible

Joined: 8/6/2008
Posts: 58

Front tire wear on my 2007, they looked good but they were wore down to the threads on the inside edge. Replaced with continental extreme contacts all around much better ride and quit.

Also had a vibration like noise from the right side of the car, found out it was the plastic cover at the base of the windshield by the wipers, dealer replaced it and no more noise.

Had the creaky top but a little silicone on the seals took care of that, mine wasn't included in the recall.

Re: What problems have you had with your C6? (10/49)
11/11/13 10:55am

CRMGSCoupe
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Camp Hill, PA - USA

Vette(s):
2002 QuickSiver Convertible, 2007 LeMans Blue Coupe, 2010 Crystal Red Metallic Grand Sport Coupe (Heritage Edition). 6 Speed Manual

Joined: 4/7/2008
Posts: 46

Same here. Picked the car up the Monday before Corvettes at Carlisle (2010), and new Corsa Sport exhaust installed that Friday. Same as I had on my 2007. Everybody that hears it comments on how good it sounds.

Not the loudest of them all, but absolutely zero drone at all RPM and an awesome sound, including the burble when letting off.

|UPDATED|11/11/2013 7:55:03 AM (AZT)|/UPDATED|

Re: What problems have you had with your C6? (11/49)
11/12/13 2:33pm

sharpseadog
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Posts: 11

I have a 2012 C6 Convertible that I bought new exactly 366 days ago. I now have over 21,000 smiles on it. Bad battery on delivery. Had to fight with dealer to replace, finally did, no more problems. Car has been exceptional. The GPS system did come with an older DVD, which wouldn't always route correctly. Dealer replaced and no more problem, although it is a comparatively primitive system. My 4 year old Garmin is much better, but I do like the heads up display of directions, or I would consider replacing with an aftermarket system.

In June 2013 I installed a Borla "Type S" axle back system. It is very sweet and mellow. My best friend with a 2012 coupe went with the touring Corsa. I like mine much better. There is no "annoying drone" at steady speeds. In fact you can barely hear it at all unless you are going up a steep hill or you "step on it". And unless you really get on it is it still mellow and not the least obnoxious. I bought my system on-line from Maryland Speed and got an excellent deal and free shipping. I had it installed by local Chevy dealer who was so accommodating that I was allowed to witness install (and even help a bit). Great service manager.

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Re: What problems have you had with your C6? (12/49)
11/19/13 11:48am

nc101
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Winter Park, FL - USA

Vette(s):
2006 Monterey Red Convertible

Joined: 12/6/2005
Posts: 6

Problem with gas mileage.

I have just shy of 45,000 miles on my 2006 C6 Convertible and almost overnight I noticed that the Corsa exhaust tips were getting very black. I have had the O2 sensors changed, canester at the fuel tank changed, plugs are ok, run injector cleaner through the system two times. Still getting terrible mileage, 12.8 - 14.5 in the city. Any suggestions?? Thanks for your help. Ned

Re: What problems have you had with your C6? (13/49)
11/19/13 8:47pm

jmarctex
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Posts: 21

On my "11" GS I had a crack starting in the transparent roof. The dealer replaced it under warranty. The most expensive items have been replacing the front tires at less than 10,000 miles and the rears at 13,000. I attribute it to a bad factory alignment. I wrongly thought that the darting and tramming was due to the large sticky tires. Had a 4-wheel alignment done after replacing the front tires, non-aggressive settings and again after replacing the rear tires. The front tires now have 7,000 miles on them and they appear to be doing much better than the originals. I will have another alignment done at the start of next driving season.

Re: What problems have you had with your C6? (14/49)
11/22/13 11:28am

LD2005
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Indianapolis, IN - USA

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2005 DSOM

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chuckjosephson said: I'd be interested in what you replaced the exhaust with. I'm looking for a little more sound, but no droning on the highway, and no head turning under normal acceleration.

thanks,

I have the NXTSTEP exhaust on my of 05 base C6 and i love it, no drone, nice sound

http://erxvg.ormht.servertrust.com/ProductDetails.asp?ProductCode=EX3033

http://s556.photobucket.com/user/LAPCO/media/2013-07-13100509_zps0a35850a.mp4.html

|UPDATED|11/22/2013 8:28:45 AM (AZT)|/UPDATED|

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Re: What problems have you had with your C6? (15/49)
12/3/13 12:01pm

Will
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2008 Coupe, Z51 Performance package, Dual Mode Exhaust

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I have a 2005 the auto dimming mirror isn't working. I also had to replace the steering lock mechanism almost$1000.

Re: What problems have you had with your C6? (16/49)
12/4/13 6:24pm

Corvette Pete
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Crestwood, IL - USA

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2005 Blue coupe

Joined: 9/28/2009
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05 coupe problem shifting into drive on start up. does anybody know of and aftermarket company that sells a shifter or better yet a repair kit for solenoid?

fuel door doesn't want to stay closed sanded pin and put some lube with teflon on it stay posted seems to be working won't know until may

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Re: What problems have you had with your C6? Shifting Problelms (17/49)
12/17/13 12:30pm

Fctatesc
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Escondido, CA - USA

Vette(s):
2005 C6 coupe in Magnetic Red

Joined: 10/5/2007
Posts: 9

Having the shift lever lock up when starting is a very common problem with the C6 2005 and 2006 models. I know people who have spent $800 having the shift unit replaced just to have the same problem. However, that is not necessary because the problem is easily solved.

A number of people have removed the console cover and snipped the plastic hook from the solenoid that locks the lever into place. It does not cause diagnostic readings and the problem is solved forever.

There is another way to overcome the problem without removing the console cover and I have done it for 7 years. If the shift lock will not release upon starting the engine, shut off the engine and put the ignition in accessory mode. Put your foot on the brake and you will hear the shift lock disengage. Shift to Neutral and start the engine. Then you can shift to any gear and proceed. (If you shift into Park, it will re-engage.)

Re: What problems have you had with your C6? (18/49)
1/1/14 12:38pm

Garuda
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Vancouver, WA - USA

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2002 Z06 Yellow - Sold 2007 Z06 Black

Joined: 8/14/2013
Posts: 3

I bought my Z06 2007 that the previous owner had replaced the muffler system with a Corsa system. Very nice sound without the blown away sound of the Borla quad stingers that I had on my 2002 Z06. If you want a blast of sound, very loud sound, Borla. If you want a great, deep throated sound that carries well without loudness of the Borla, go Corsa.

R/

Re: What problems have you had with your C6? (19/49)
1/1/14 12:46pm

Corvette Pete
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Crestwood, IL - USA

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2005 Blue coupe

Joined: 9/28/2009
Posts: 9

thanks I will try the accessory mode when it happens again but will give some serious thought to clipping the nob on solenoid

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Re: What problems have you had with your C6? (20/49)
1/31/14 1:55am

chucks07C6
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Warner Robins, GA - USA

Vette(s):
2007 Yellow Conv. & 1978 White L48, 4 Speed, Red Int. Low mileage with '82 Collector Ed. Wheels.

Joined: 2/1/2009
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I have a sweek coming from the front of the engine when its running. One friend said that it may be the vibration dampner going bad (separating)??? Any ideas and can I do a R&R myself? Thanks ya'll.

Re: What problems have you had with your C6? (21/49)
2/11/14 12:14pm

Fctatesc
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Escondido, CA - USA

Vette(s):
2005 C6 coupe in Magnetic Red

Joined: 10/5/2007
Posts: 9

My car is a 2005 C6 with LS2 engine. Problems are as follows.

1. The most vexing problem is the "Service Active Handling System" fault and DIC notice. It occurs randomly and sometimes locks out the cruise control when driving and locks up the shift when shifting to Park. Then I have to start the car using accessory mode. The dealer had tried 3 times to fix it but cannot find the cause. So, I live with it. Other than above, it seems to have no affect on driveability.   Sometimes, it goes away when restarting the car.

2. Frequently, the shift lock locks the car in "Park". When that happens, I have to use accessory mode and start the car in Neutral, then shift to D or R. Many owners have this problem and have resorted to cutting the shift lock pawl. I have not done that because I don't feel comfortable removing the console cover when I can simple use accessory mode to bypass the problem.

3. Recently, at 47,000 miles, I had to have the differential seal replaced on the drivers side axel. Minor problem.   I also replaced the rear sway bar links. They were very loose and one was dry and scratchy. Haven't done the front yet.

4. Tire wear is significant. When alignment is set to "street use" specs, I get severe wear on the inside edge of the front tires.   I got 21,500 miles on my last set. I am attempting to get that corrected before buying another set of tires.

5. Replaced all break pads at about 43,000 miles.

Re: What problems have you had with your C6? (22/49)
5/30/14 5:02pm

71stngr
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Willits, CA - USA

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1971, C3, 454 black&blue, coupe, blue real flames. 2005, C6, 6.0L Red, coupe, chrome wheels 2014, C7, Syber Greay, pearl white stripes, chrome wheels

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05' C6 Coupe, LS2; I always use Chevron gas with techron, and the last 4 times I filled it up, it would cut off with only 8 gallons or less, and acted like it was full, but it would only show 1/2 full on the gauge. It was consistent, and I couldn't force another ounce into the tank. A corvette shop recommended I bring it in and he would drop the rear axel and the right side tank to change out a crossover pump that feeds the separated tanks, and that was the problem. I read on a corvette forum of people using "Sea Foam" in the system to correct this problem. So, before I spent the money to overhaul the fuel system, I tried the Sea Foam. I added it when I filled up, and again it only let me have a half tank, but when I ran the 16oz can thru the system, ran the tank down low, and refilled it, it filled all the way, and the gauge read full. It's worked out for several months now, and haven't had the problem since, and I'm using the same gas station and same pump.

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Re: What problems have you had with your C6? (23/49)
6/3/14 11:49am

brocky3
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jackson, NJ - USA

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Victory Red 2009 Coupe with 2LT package with chrome wheels

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2009 Coupe. Manual Trans. At 8k miles, shifter would hang up between 1st and 2nd. Had to jiggle shifter and pull hard to get it into 2nd. Brought it to dealer, fixed under warranty. Said it needed 'adjusting'.

Re: What problems have you had with your C6? (24/49)
6/4/14 8:25am

GJHZ06
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2012 Supersonic Blue Z06 2013 Velocity Yellow Grand Sport Coupe

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Body Control Module replacement. There is also a sensor for the traction control system and transmission that may need to be replaced. Our 2007 Coupe began exhibiting these same symptoms and was finally corrected with the total replacement of the BCM...$450-500 repair.

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Re: What problems have you had with your C6? (25/49)
6/4/14 10:28am

jrhall55
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Brawley, CA - USA

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2000 C5 convertible, and a 2005 C6 Coupe

Joined: 10/4/2012
Posts: 23

In regards to the fuel door not closing,, I found a spring inside the left rear interior panel where the cable release is for the fuel door. Replaced the spring with heavier one and works perfect... to try it at first I used a rubber band...

For those of you talking exhaust,, I use magna flow stainless system, love the sound, no drone, and did the job myself. I have owned my C6 2005 coupe for 4 years now and have experienced several change problems.. with he help of this web site and other people been able to take care of everything. The wiggling the wires under the seat for the seat belt or air bag lite boggles me, but works most of the time... Love my car,, if I can be of help, please ask..

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Re: Problems shifting to 2nd gear (26/49)
6/10/14 2:01pm

FrankM
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Williston Park, NY - USA

Vette(s):
2008 C6 Coupe, LS3, Blk/Blk, 6M Z51, 3LT

Joined: 10/10/2006
Posts: 19

Are you aware of CAGS (Computer Aided Gear Selection)? To help GM meet fleet fuel economy standards, CAGS locks out gears 2 and 3 during casual acceleration and forces shifting from first directly to fourth gear. Did the service people mention if your problem was related to CAGS?
You can buy an aftermarket kit which can bypass CAGS so that you may shift to 2nd and 3rd under any rates of acceleration. Its installed under the car at a wiring connector.
Incidentally, in the C7 which has a 7-speed manual transmission, CAGS will force shifting from 2nd to 5th under casual acceleration.

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2008 C6 Coupe, LS3, Blk/Blk, 6M Z51, 3LT

Re: What problems have you had with your C6? (27/49)
6/17/14 10:40pm

Garuda
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Vancouver, WA - USA

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2002 Z06 Yellow - Sold 2007 Z06 Black

Joined: 8/14/2013
Posts: 3

There is also a circuit breaker change that you can do to block out the 1st to 4th system. I got mine online but I'm sorry I have forgotten the name of the supplier. You may be able to google it. I have a 2007 Z06 and it worked fine on the car. I had the same thing done to my 2002 Z06 by a dealer in Portland. I think they did some type of electrical bypass to that one.

Re: What problems have you had with your C6? (28/49)
6/25/14 11:00pm

boilerbob
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Posts: 6

Both sun visor mirror covers just popped off. The plastic hinge pins cracked on their own. $500 to replace the visors. Cheap part for a $70k car. Found a $40 aftermarket cover that works ok.

Re: What problems have you had with your C6? (29/49)
6/28/14 11:09am

LOHpilot
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Ocean View, DE - USA

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2013 Corvette Convertible Night Race Blue with 3LT Ebony interior

Joined: 6/28/2014
Posts: 18

In June of 2013, after 3 months of ownership, I had a Low Oil Pressure message on the info center also will zero oil pressure gauge indication. I did some on line work to find out that there is a GM tech directive on all LS engines 2007 and later to have the oil pressure sensor fail. The oil pan needs to be dropped and replace the sensor. Work covered under warranty. Job would normally be $1,300 out of pocket.

Re: What problems have you had with your C6? (30/49)
7/1/14 12:46pm

brocky3
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jackson, NJ - USA

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Victory Red 2009 Coupe with 2LT package with chrome wheels

Joined: 12/5/2012
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Wasn't the 2nd gear skip. Had trouble going into 2nd even when I had my foot in it.

Re: What problems have you had with your C6? (31/49)
7/2/14 6:17pm

71stngr
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Willits, CA - USA

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1971, C3, 454 black&blue, coupe, blue real flames. 2005, C6, 6.0L Red, coupe, chrome wheels 2014, C7, Syber Greay, pearl white stripes, chrome wheels

Joined: 3/11/2013
Posts: 8

Where did you get your your $40 replacement mirrors? Mine are shot as well, the originals are very fragile. Thanks

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Re: What problems have you had with your C6? (32/49)
7/8/14 11:53am

boilerbob
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Bought the Ebay units @$40. See http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&vxp=mtr&item=141337627549

Just like OEM. Probably a Chinese copy but no doubt that's where GM got the originals. Used Harbor Freight pick. http://www.harborfreight.com/4-piece...set-66836.html

Put hook behind spring clip, place cover hinge pin next to spring clip and pull until the hinge pin slips into spring clip. You have to pull hard to get enough clearance.

Re: What problems have you had with your C6? (33/49)
7/8/14 12:13pm

Black Shark
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seems simple enough...........thanks

Re: What problems have you had with your C6? (34/49)
7/8/14 6:02pm

71stngr
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Willits, CA - USA

Vette(s):
1971, C3, 454 black&blue, coupe, blue real flames. 2005, C6, 6.0L Red, coupe, chrome wheels 2014, C7, Syber Greay, pearl white stripes, chrome wheels

Joined: 3/11/2013
Posts: 8

great, I have the pick set, so I'll order the mirrors....

Thanks for the info.

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Re: What problems have you had with your C6? (35/49)
7/15/14 4:01pm

nc101
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Winter Park, FL - USA

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2006 Monterey Red Convertible

Joined: 12/6/2005
Posts: 6

Earlier this year I posted that I was having a problem with my 2006 C6 Convertible. Bad gas mileage and some oil usage. Guess what, this past Spring I was driving along and the check oil light came on...I went home and checked the oil and it was down over a quart and I still had over 45% left on the oil change gauge. Usually change oil every 4,000 miles since I have such low mileage on the car (46,000).

Took the car to my very experienced mechanic and found that the rings had failed, stacked, on three cylinders.

My new 3 year warranty (7 year warranty expired in October 2013) would not pay for the repair and I had to have the engine rebuilt at my expense. There was a bulletin that came out in 2008 stating that there was a potential problem with the rings and pistons and that they should be replaced. Never new about the bulletin, too bad since than I had a 7 year warranty that would have covered the repair.

Just be aware!! This covers years 2005 - 2007.

Re: What problems have you had with your C6? (36/49)
7/15/14 7:54pm

blueflame54
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Madison Heights, VA - USA

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1954 Roadster 1966 Convetible 4 spd 2006 Coupe 6 spd

Joined: 6/17/2010
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I have been having the same problem with my '06.... Will try Sea Foam..

Thank you for your post. Thumbs Up

Thumbs Up

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Re: What problems have you had with your C6? (37/49)
8/15/14 10:46pm

patrick
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My HUD does no activate up ignition. Only is I depress the down arrow foe 1.5 seconds, then the up arrow for 3 seconds! If I count more or less than 15 seconds it won't come up. And only one try. What's up?

Shift lock problems (38/49)
11/20/19 2:49pm

NJDevil
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Woodbine, GA - USA

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2008 Coupe

Joined: 11/14/2019
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I had a shift lock problem at about 40k miles on my 2008 coupe. A few times I could not come out of park. I went to accessory mode and was able to start and shift. However, later on I had problems going from drive to park. The shifter would not go past neutral from drive. Couldn't put transmission into park and had to disconnect battery to shut car off. I ended up having to take the center console apart to get access to the shift lock and manually disengage the shift lock. This happened several times after and I ended up having to replace the shifter/shift lock assembly. Works fine now.

Re: What problems have you had with your C6? (39/49)
11/20/19 5:55pm

Motorscooter
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Ellicott City, MD - USA

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2005 Daytona Sunset Orange Metallic Convertible. Auto. Stock. Daily driver with 98K miles so far. Original owner.

Joined: 1/22/2019
Posts: 7

My 2005 Sunset Orange Convertible with over 100K on the odometer developed the gear shift lock issue at about 90K miles. When starting I couldn't move the shift out of park. I read about a bunch of solutions from "live with it" to several different kinds of mechanical fixes. One solution has worked for me. Shut down, then when restarting keep your foot on the brake and keep pressing the start button for a few seconds. Sometimes I've had to restart a few times but it has always released eventually.

The navigation disk drive and the CD player stopped working around 2010.

Other than that the gas cap warning kept coming on when the car was new. That entailed having the entire rear removed to get to a sensor at the top of the gas tank. Warranty covered that one. The passenger airbag warning keeps popping up every few years. But it stops on its own.

And, most annoying is that in one step of the top going up or down I have to reach back and pull on a part of the roof to keep it from rubbing. I was told that to adjust the mechanism they'd have to take the top completely apart. I.E. $$$$.

The car is stock except for color matching door handles and the addition of the factory issued front license plate holder after getting a warning from a state trouper.

Re: What problems have you had with your C6? (40/49)
11/2/21 5:46pm

Franko97
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Richmond, TX - USA

Vette(s):
1966 Numbers matching 327 convertible 1967 L71 convertible 1987 base coupe 2006 base coupe (Current)

Joined: 11/22/2020
Posts: 5

2006 Convertible. HUD display broke (I understand this is pretty common). A bear to fix on your own. Need to either remove the dash or cut the A/C duct under the instrument panel).

Also, trunk lights don't work. Replaced the bulbs. Can't find a blown fuse. No one seems to know what fuse is controlling the trunk lights. Used a continuity tester/multimeter . No power to the trunk switch connector.

Re: What problems have you had with your C6? (41/49)
11/16/21 4:52pm

marvink
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Trunk light issue sounds like the break switch to me.

Re: What problems have you had with your C6? (42/49)
11/17/21 10:21am

Franko97
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Richmond, TX - USA

Vette(s):
1966 Numbers matching 327 convertible 1967 L71 convertible 1987 base coupe 2006 base coupe (Current)

Joined: 11/22/2020
Posts: 5

Thanks for the response. Where is that switch located? Do you mean the switch behind the brake pedal, or is it another switch?

Re: What problems have you had with your C6? (43/49)
11/30/21 8:25pm

lanislenker
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Mount Vernon, IL - USA

Vette(s):
2008 Coupe, Silver, 6-speed, Z51 1986 Coupe, White, 4+3, Z51

Joined: 10/29/2012
Posts: 1

That balky 1st to 2nd shift sounds like the 1st to 4th lockout system that Chevy built in to their manual transmission systems to improve mpg. There are devices you can buy to install in the wiring harness to bypass this, but my own experience says you can 'outsmart' the system with either of two similar approaches:

1. Linger in 1st a little longer before shifting to 2nd;

2. Accelerate a little harder in 1st before shifting. In effect, if you reach 50% throttle in 1st, the system believes you are serious about accelerating and will let you hit 2nd.

Try these options before spending money.

Re: What problems have you had with your C6? (44/49)
12/11/21 6:41pm

Franko97
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Richmond, TX - USA

Vette(s):
1966 Numbers matching 327 convertible 1967 L71 convertible 1987 base coupe 2006 base coupe (Current)

Joined: 11/22/2020
Posts: 5

Had the same issue with my 2006. As a previous poster did, I bought a "fuse" that installs in the underhood fuse block that disables CAGS. Can't remember where I got it. Also, after adjusting the shifter (easy to do per YouTube), I bought the "Anti-Venom" mod for about $8.00. It is essentially a copper gasket that installs on the rear diff. that takes some of the tension out of the linkage. Another easy fix. Finally, for my last easy fix, I replaced the clutch return spring with a C5 OEM clutch return spring, which took some of the stiffness out of the clutch take-up. All 3 mods totaled less than $100 and made a significant difference.

Re: What problems have you had with your C6? (45/49)
1/28/24 6:50pm

KBuck
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Vette(s):
2013 Grand Sport

Joined: 12/29/2023
Posts: 1

Haven't had any problems except one spark plug went bad

Re: What problems have you had with your C6? (46/49)
1/29/24 12:09pm

Black95
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Aberdeen, SD - USA

Vette(s):
2007 Lemans Blue convertible

Joined: 7/6/2020
Posts: 16

Only major problem I have had is the shift-lock problem where it wouldn’t shift out of park (automatic). I took the console apart to gain access (utilized several of the videos on youtube) and bent the tang on the microswitch and it works much better now. I didn’t want to do the mod where some recommend clipping or cutting off the locking pawl so I drilled a hole in it and attached a small cable from it back into the center console. Now if it ever shift-locks me again, I can pull on the little cable to unlock it. That also works great if I am working inside the car and want to shift it out of park without putting in the keys and starting the car (with the emergency brake on) to move the shift lever out of the way for working on things or cleaning purposes.

|UPDATED|1/29/2024 9:09:10 AM (AZT)|/UPDATED|

Re: What problems have you had with your C6? (47/49)
2/5/24 6:52pm

LSS
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Lafayette, IN - USA

Vette(s):
2005 Base Coupe - Daytona Sunset Orange Metallic

Joined: 1/23/2024
Posts: 3

I have a 2005 C6 Coupe with an LS2 400 hp V8 engine. I’ve noticed that my harmonic balancer looks a little wobbly. Not a lot, but definitely not straight as it rotates. Not hearing any belt chirping or noise. Big repair? Costly as well? What do you all think? Please advise Thank you.

|UPDATED|2/5/2024 3:52:09 PM (AZT)|/UPDATED|

Transmission shift cable C6? (48/49)
2/7/24 2:01pm

Antonio Papa
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Joined: 3/19/2023
Posts: 1

Need it to replace transmission shift cable because of broken plastic cromet broke cable wile trying to install it

Re: What problems have you had with your C6? (49/49)
2/7/24 10:31pm

Motorscooter
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Ellicott City, MD - USA

Vette(s):
2005 Daytona Sunset Orange Metallic Convertible. Auto. Stock. Daily driver with 98K miles so far. Original owner.

Joined: 1/22/2019
Posts: 7

My 2005 Convertible LS2 400hp with 113+K miles has had a fair amount of issues. I'll list a few. The fuel cap sensor wouldn't work correctly after my first few weeks with my then brand-new (March 2005) beastie. The dealership had to completely remove the entire rear end to get to it. The shifter would get stuck in park. Dealer fix. The DVD map and CD combo stopped working about 8 years ago (never had it repaired). The convertible top stopped working (at least it was up). It took a "reputable" high-volume Corvette dealership some 5 weeks and multi-repairs in the thousands to fix and it still hits the cover going up or down (have to reach back to move the bottom of the top). Never going back to them. A fair amount of small issues have occurred and been rectified over the years. Current issues seem to be the roof is making a loud noise when going back up and the auto-light sensor seems to want my lights on regardless of the ambient light. Going into the shop at my favorite dealer, Sport Chevrolet, on Friday.

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