C6 Corvette General Discussion General C6 Corvette Discussion not covered in Tech
Sponsored by:
Sponsored by: Feral Industries

Transmission problems?

Thread Tools
 
Search this Thread
 
Old Jul 21, 2011 | 09:38 AM
  #1  
petermj's Avatar
petermj
Thread Starter
Le Mans Master
 
Joined: Aug 2009
Posts: 5,504
Likes: 2
From: Sacramento California
Default Transmission problems?

09 base with 17k and truly aweful manual tranny. Not only cannot shift the gears in a hurry but when I shift, switching the gears requires pretty decent physical effort and super easy to grind gears. The shifter feels rubbery and notchy, the clutch pedal super tough as well, you really gotta press on it. Is this normal? My 09 Z06 tranny and clutch feel so way different, you can shift gears with one finger, no grinding and clutch effort is next to none. This supposed to be the same tranny on both, why are they so different and is there anything wrong with my base? I already made an appointment with the dealer for the broken door strikers and will have them look at this but just wondering if this is something normal (I honestly cannot feel any improvement from my old 07, in fact the opposite).
Reply
Old Jul 21, 2011 | 10:26 AM
  #2  
bbudman's Avatar
bbudman
Instructor
 
Joined: Jun 2011
Posts: 238
Likes: 1
From: Clayton North Carolina
Default

Are these not some of the symptoms people describe relating to dirty clutch fluid? You might want to open the hood and take a look at yours. Also, do a search on the forum since there is a post related to replacing the fluid.
Reply
Old Jul 21, 2011 | 11:07 AM
  #3  
rjwoerheide's Avatar
rjwoerheide
Drifting
 
Joined: Jul 2008
Posts: 1,576
Likes: 1
From: Webster Groves (St. Louis) MO
Default

Does the shift feel improve once the transmission is at operating temps? My 1-2 and 2-3 are stiff when the tranny is cold, but once things are up to temp everything is super smooth.
Reply
Old Jul 21, 2011 | 11:20 AM
  #4  
petermj's Avatar
petermj
Thread Starter
Le Mans Master
 
Joined: Aug 2009
Posts: 5,504
Likes: 2
From: Sacramento California
Default

Originally Posted by rjwoerheide
Does the shift feel improve once the transmission is at operating temps? My 1-2 and 2-3 are stiff when the tranny is cold, but once things are up to temp everything is super smooth.
nothing improves at all, always the same rubbery and notchy shifter and rock hard clutch...
Reply
Old Jul 21, 2011 | 11:21 AM
  #5  
petermj's Avatar
petermj
Thread Starter
Le Mans Master
 
Joined: Aug 2009
Posts: 5,504
Likes: 2
From: Sacramento California
Default

Originally Posted by bbudman
Are these not some of the symptoms people describe relating to dirty clutch fluid? You might want to open the hood and take a look at yours. Also, do a search on the forum since there is a post related to replacing the fluid.
seems to be pretty clean fluid... And at 17k, this should not be the reason I hope...
Reply
Old Jul 21, 2011 | 11:29 AM
  #6  
brookzie72's Avatar
brookzie72
Intermediate
 
Joined: Oct 2009
Posts: 40
Likes: 0
From: Sicklerville NJ
Default Shifting issues

I'm no expert but on the shifter fork there are plastic sleeves that wear causing crappy shifting that you are experiencing. In my case, I bought my car used (1st vette) and didn't know the difference as it was crappy shifting from the beginning. Since these sleeves were worn it was sloppy shifting and eventually caused the synchro for 6th gear to go (and the gear itself). I just got everything replaced under warranty. This is what the dealer informed me anyway.

I did some searches and found that these plastic sleeves going bad are quite common and even read a thread where someone made them in brass if memory serves me correctly. Take it to the dealer and have them look at it before you have more extensive (and costly) problems like I did. Good luck!
Reply
Old Jul 21, 2011 | 11:36 AM
  #7  
petermj's Avatar
petermj
Thread Starter
Le Mans Master
 
Joined: Aug 2009
Posts: 5,504
Likes: 2
From: Sacramento California
Default

Originally Posted by brookzie72
I'm no expert but on the shifter fork there are plastic sleeves that wear causing crappy shifting that you are experiencing. In my case, I bought my car used (1st vette) and didn't know the difference as it was crappy shifting from the beginning. Since these sleeves were worn it was sloppy shifting and eventually caused the synchro for 6th gear to go (and the gear itself). I just got everything replaced under warranty. This is what the dealer informed me anyway.

I did some searches and found that these plastic sleeves going bad are quite common and even read a thread where someone made them in brass if memory serves me correctly. Take it to the dealer and have them look at it before you have more extensive (and costly) problems like I did. Good luck!
sounds like a very reasonable explanation, reminds me of my old E30 M3 shifter bushings problems. I'll make sure to mention the shifter wear to the dealer.
Reply
Old Jul 21, 2011 | 11:39 AM
  #8  
talon90's Avatar
talon90
Team Owner
Supporting Lifetime
15 Year Member
 
Joined: Aug 2002
Posts: 35,617
Likes: 166
Tech Contributor
Cruise-In 11 Veteran
NCM Ambassador
St. Jude Donor '05-'06-'07-'10
Default

Originally Posted by petermj
09 base with 17k and truly aweful manual tranny. Not only cannot shift the gears in a hurry but when I shift, switching the gears requires pretty decent physical effort and super easy to grind gears. The shifter feels rubbery and notchy, the clutch pedal super tough as well, you really gotta press on it. Is this normal? My 09 Z06 tranny and clutch feel so way different, you can shift gears with one finger, no grinding and clutch effort is next to none. This supposed to be the same tranny on both, why are they so different and is there anything wrong with my base? I already made an appointment with the dealer for the broken door strikers and will have them look at this but just wondering if this is something normal (I honestly cannot feel any improvement from my old 07, in fact the opposite).
Nothing you are describing sounds normal. It's good that you are bringing it in. Your '09 base and your '09 Z06 have the same tranmission and should have similar clutch feel and shifting characteristics.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-1

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-2

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
story-3

2027 Corvette vs The World: Every C8 vs Its Closest Competitor

 Joe Kucinski
story-4

10 Most Common Corvette Problems of the Last 20 Years!

 Joe Kucinski
story-5

5 MOST and 5 LEAST Popular Corvette Model Years in History!

 Joe Kucinski
story-6

2027 Corvette Buyer's Guide: Everything You Need to Know!

 Joe Kucinski
story-7

10 Things C8 Corvette Owners Hate (But Won't Tell You)

 Joe Kucinski
story-8

10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

 Brett Foote
story-9

Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

 Joe Kucinski
Old Jul 21, 2011 | 11:44 AM
  #9  
hiperfman's Avatar
hiperfman
Melting Slicks
Supporting Lifetime
15 Year Member
 
Joined: Apr 2007
Posts: 2,554
Likes: 92
From: Suppliers of dirty oil for 50 years Oilberta/ In Mex enjoying the winter.
St. Jude Donor '11
Default

My 11 GS w/ 7200 mi.grinds going 1-2, 2-3 if I don't pause after pushing in the clutch. Seems to improve a little when it warms up but still not right need to get in to check out.
Reply
Old Jul 21, 2011 | 12:19 PM
  #10  
petermj's Avatar
petermj
Thread Starter
Le Mans Master
 
Joined: Aug 2009
Posts: 5,504
Likes: 2
From: Sacramento California
Default

Originally Posted by hiperf406
My 11 GS w/ 7200 mi.grinds going 1-2, 2-3 if I don't pause after pushing in the clutch. Seems to improve a little when it warms up but still not right need to get in to check out.
This is exactly what mine does as well. Then, if you do not engage the clutch carefully, there is a rubber band effect that can be felt.
Reply
Old Jul 21, 2011 | 12:20 PM
  #11  
petermj's Avatar
petermj
Thread Starter
Le Mans Master
 
Joined: Aug 2009
Posts: 5,504
Likes: 2
From: Sacramento California
Default

Originally Posted by talon90
Nothing you are describing sounds normal. It's good that you are bringing it in. Your '09 base and your '09 Z06 have the same tranmission and should have similar clutch feel and shifting characteristics.
we shall see what the dealer says, they consider many things normal. Good thing I at least have another car to compare, one I bought from them brand new.
Reply

Get notified of new replies

To Transmission problems?





All times are GMT -4. The time now is 01:06 AM.

story-0
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-1
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-2
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-3
2027 Corvette vs The World: Every C8 vs Its Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-24 16:12:42


VIEW MORE
story-4
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE
story-5
5 MOST and 5 LEAST Popular Corvette Model Years in History!

Slideshow: 5 most and least popular Corvette model years.

By Joe Kucinski | 2026-04-08 13:25:01


VIEW MORE
story-6
2027 Corvette Buyer's Guide: Everything You Need to Know!

Slideshow: 2027 Corvette buyer's guide

By Joe Kucinski | 2026-04-17 16:41:08


VIEW MORE
story-7
10 Things C8 Corvette Owners Hate (But Won't Tell You)

Slideshow: 10 things C8 Corvette owners hate, but won't tell you.

By Joe Kucinski | 2026-04-01 18:36:07


VIEW MORE
story-8
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

Slideshow: Should you add one of these incredible Corvettes to your garage?

By Brett Foote | 2026-04-01 18:14:05


VIEW MORE
story-9
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

Slideshow: Every Corvette Grand Sport explained

By Joe Kucinski | 2026-03-26 07:13:44


VIEW MORE