TR 6060...Major problems!
Le Mans Master
Joined: Dec 2005
Posts: 7,753
Likes: 210
From: North Western Connecticut
Seems to be a lot of issues with the TR6060. When I was at my dealer (before he stopped selling GM) they had 2 08's in for tranny problems. I believe one vette received a new tranny don't know about the other one. The TR 6060 might well be a better trans than T56 but it's sure got it's share of issues....
Team Owner
Joined: Dec 2002
Posts: 32,074
Likes: 296
From: San Francisco CA
Seems to be a lot of issues with the TR6060. When I was at my dealer (before he stopped selling GM) they had 2 08's in for tranny problems. I believe one vette received a new tranny don't know about the other one. The TR 6060 might well be a better trans than T56 but it's sure got it's share of issues....
Le Mans Master
Joined: Dec 2005
Posts: 7,753
Likes: 210
From: North Western Connecticut
Racer
Joined: Apr 2007
Posts: 255
Likes: 0
From: Shrewsbury MA
At 10,200 miles, I still have the cold shifting notchiness/roughness issue with the 1-2 and 2-3 so I double clutch until the fluid warms up. I drained a small sample of tranny fluid last night and though its still red, it appears a little cloudy with a few very tiny metal particles visible in suspension. I assume the metal is from break-in of the tranny since I've never missed a shift nor had an audible grind (just the cold shifting issue which I can feel in the stick). I will be ordering the GM Manual Transmission Fluid for a fluid replacement to see if it helps the cold shifting (as well as Dexron LS for the rear axle for its cold grind issue).
Last edited by TR-6060; Jun 3, 2009 at 11:23 PM.
Melting Slicks
Joined: Sep 2008
Posts: 2,360
Likes: 59
From: San Jose California
My tranny has the 1-2 and 2-3 shift when cold problem. It makes me not like the car so much. It doesn't last long till it gets to temp, and then it's fine. Again, just wait a second in between shifting gears. My cheap mustang had better shifting tranny!
Racer
Joined: Aug 2008
Posts: 278
Likes: 1
I think the 4L60E is junk. I had an 06 Trailblazer SS with that tranny and I blew it out twice. It's a weak tranny. I upgraded to a Jeep SRT8 and no more problems. Man that SS tranny would hunt for gears, never shift right etc etc etc.... Bad tranny if you ask me.
Heel & Toe
Joined: Jun 2009
Posts: 16
Likes: 0
I love my 08 z51, but she is in the shop right now with the tranny tore out with all of the synchros gone. they look like they are brass and all of the teeth are stripped off the inside of them, all 6. The car had a serious grind in 2nd gear that happend all of a sudden. I have read about many problems with these trannys on this site and would like to know how long some of you have waited for parts or have recieved a new trans from GM thanks ,Kevin.
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Le Mans Master
Joined: Dec 2005
Posts: 7,753
Likes: 210
From: North Western Connecticut
I believe GM knows there are issues with the TR6060 tranny but doesn't want a full blown recall... especially right now! They will simply handle them on a case by case bases....
http://forums.corvetteforum.com/c6-c...rd-shifts.html
http://forums.corvetteforum.com/c6-z...e-trannys.html
http://forums.corvetteforum.com/c6-z...ibrations.html
http://forums.corvetteforum.com/c6-z...nsmission.html
Team Owner
Joined: Dec 2002
Posts: 32,074
Likes: 296
From: San Francisco CA
Team Owner
Joined: Dec 2002
Posts: 32,074
Likes: 296
From: San Francisco CA
Burning Brakes
Joined: May 2007
Posts: 776
Likes: 1
From: Northeast Ohio
I've had no problems with my 06 mn6, other than having to shift slower from 1st to 2nd, and 2nd to 3rd, when the oil is still cold. It's not really a problem, and I still think that it is a good transmission, but it's not the new TR-6060.
I hope they make it right for you.
I hope they make it right for you.
Instructor
Joined: Aug 2007
Posts: 183
Likes: 0
From: Camas, WA
They used to use standard ATF. Last year, the fluid was superseded to GM Man Trans fluid, part # 88861800 when it needs to be refilled.
Here is the specs right of GM's Service Info:
Document ID: 1788842 --------------------------------------------------------------------------------
Lubrication Specifications
Application
Metric
English
Manual Transmission Fluid GM P/N 88861800 (Canadian P/N 88861801)
Base
3.46 liters
3.65 quarts
Z51
3.96 liters
4.18 quarts
Z06
4.28 liters
4.52 quarts
Here is the specs right of GM's Service Info:
Document ID: 1788842 --------------------------------------------------------------------------------
Lubrication Specifications
Application
Metric
English
Manual Transmission Fluid GM P/N 88861800 (Canadian P/N 88861801)
Base
3.46 liters
3.65 quarts
Z51
3.96 liters
4.18 quarts
Z06
4.28 liters
4.52 quarts
Has anyone had favorable results after using the new GM tranny fluid? I am considering using Royal Purple Synchromax, but maybe I should use this new, recommended lubricant. Any thoughts?
CF Senior Member
Joined: May 2005
Posts: 3,262
Likes: 21
From: Palm City Florida
In fact there have been many complaints about the TR6060 trans.. not just on this forum either. I personally saw 2 08's at my dealers for manual tranny issues. One required the entire tranny replaced around 2200 miles. Here are a few threads but there are many others...
I believe GM knows there are issues with the TR6060 tranny but doesn't want a full blown recall... especially right now! They will simply handle them on a case by case bases....
I believe GM knows there are issues with the TR6060 tranny but doesn't want a full blown recall... especially right now! They will simply handle them on a case by case bases....
Le Mans Master
Joined: Dec 2005
Posts: 7,753
Likes: 210
From: North Western Connecticut
Because it is what it is!! You are covered under warranty so no reason to be worried. The OP asked about threads where owners had trouble with the TR6060 and I supplied some threads. I have an 06 and had to have my top replaced. Every model year always has some known issues which are usually handled under warranty. I believe GM is simply handling the problems with this tranny on a case by case bases. Nothing wrong with doing it that way unless it becomes a issue with most TR6060 transmissions.
Racer
Joined: Mar 2002
Posts: 356
Likes: 0
From: Flagler Beach Florida
WAIT!!!!
Here's why.
Some time ago GM used the ZF box in these cars.
Some folks thought that a change to a other than GM fluid would be the way to go.
GM soon refused to warranty the box's that had other than GM fluid or a GM approved fluid in it. I think there was only one approved fluid.
IIrc the issue was that GM claimed some of the fluid that was being used was actually too slippery and there was not enough friction for the sycro's to function properly.
So you may want to do some research before going to other fluid imo.
Tech Contributor
Joined: Dec 2006
Posts: 10,962
Likes: 29
From: Van Buren Arkansas
Wounded Warrior Escort '11
I agree with Fastcar. Do the research first and possibly check with your dealer. With money so tight for GM, they might indeed tell you to walk if you change fluids.
