C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine
View Poll Results: Did you replace your flywheel when replacing the clutch?
Yes, I replaced the flywheel
15
75.00%
No, I reused the OEM DFM flywheel
5
25.00%
Voters: 20. You may not vote on this poll

Poll for Those Who Have Replaced Their Clutch

Thread Tools
 
Search this Thread
 
Old 08-11-2009, 04:27 PM
  #1  
techvette
Burning Brakes
Thread Starter
 
techvette's Avatar
 
Member Since: Mar 2008
Location: Houston TX
Posts: 1,067
Likes: 0
Received 7 Likes on 7 Posts

Default Poll for Those Who Have Replaced Their Clutch

For those who have replaced their C4's clutch (ZF 6-speed):

1) When you replaced the clutch, did you also replace your flywheel?
2) What was the mileage you performed the job at?
3) What clutch did you use / what flywheel (if applicable)?
Old 08-11-2009, 04:42 PM
  #2  
PLRX
Team Owner

 
PLRX's Avatar
 
Member Since: Aug 2005
Location: Riverside County Southern California
Posts: 34,988
Received 501 Likes on 342 Posts
Co-winner 2020 C4 of the Year - Modified
2018 Corvette of Year Finalist
2017 C4 of Year
2016 C7 of Year Finalist
St. Jude Donor '09-'10-'11-'12-'13-'14-'15-'16-'17-'18-'19-'20


Default

There was a humming sound coming from there and I replaced all but the DMF. The noise came back/never left. I bought a new DMF.

If the noise comes back, I'll turn up the radio.
Old 08-11-2009, 05:42 PM
  #3  
Razor89
Racer
 
Razor89's Avatar
 
Member Since: Feb 2006
Location: MN
Posts: 460
Likes: 0
Received 0 Likes on 0 Posts

Default

I replaced my flywheel at 85,000 miles with the steel single mass Fbody type.
Old 08-11-2009, 05:50 PM
  #4  
lt4obsesses
Le Mans Master
 
lt4obsesses's Avatar
 
Member Since: Dec 2006
Location: H-Town Texas
Posts: 5,139
Received 481 Likes on 261 Posts

Default

Replaced clutch @ 35K (clutch fork backing out caused it)
Did not relace flywheel
Now at 90K clutch still hanging in there, DM beginning to rattle.
Plan to go aluminum when I can
Old 08-11-2009, 07:00 PM
  #5  
techvette
Burning Brakes
Thread Starter
 
techvette's Avatar
 
Member Since: Mar 2008
Location: Houston TX
Posts: 1,067
Likes: 0
Received 7 Likes on 7 Posts

Default

Originally Posted by lt4obsesses
Replaced clutch @ 35K (clutch fork backing out caused it)
Did not relace flywheel
Now at 90K clutch still hanging in there, DM beginning to rattle.
Plan to go aluminum when I can
Do you race the car?






After having a lengthy discussion with my mechanic earlier he assured me that the flywheel should last a long time if you do not race the car or regularly beat on it.


Additionally - of those of you who did replace the flywheel, was the flywheel making any of the noises associated with a worn out unit?
Old 08-12-2009, 12:02 AM
  #6  
Movnviolation
Pro
 
Movnviolation's Avatar
 
Member Since: Oct 2003
Location: Hesperia California
Posts: 550
Likes: 0
Received 0 Likes on 0 Posts

Default

Replaced everything at about 100k when I rebuilt the motor including Dualmass flywheel. The new throwout bearing lasted only 5k and came apart. Put another clutch kit in again but bought a Delco throwout bearing this time.
If you are going into the clutch, I would do the flywheel also. This is a lot of work to do again. Just my $.02
Old 08-12-2009, 12:45 AM
  #7  
mechguy79
Pro
 
mechguy79's Avatar
 
Member Since: Mar 2007
Location: San Angelo Texas
Posts: 526
Likes: 0
Received 1 Like on 1 Post
Default

I went with a full OEM clutch. I got a new DM flywheel off ebay, stock clutch from the same place, and a new blue-tag while I was at it. The clutch master cylinder was a pain to get right. I let a mechanic change my clutch and for some reason the new master cylinder had a spacer on it which made the cylinder piston get pulled out of range and leak. Once that was fixed it's been smooth sailing.

I don't know anything about the original clutch. The original black tag trans had a bad 2nd gear syncro, and the car had 132k on it. The clutch rattled at idle and turns out someone had put in a single mass flywheel.
Old 08-12-2009, 11:59 AM
  #8  
Strick
Race Director
 
Strick's Avatar
 
Member Since: Feb 2003
Location: Lake Wylie SC
Posts: 11,670
Received 17 Likes on 17 Posts

Default

I had an oil leak that got onto the clutch. I fixed the oil leak and replaced the DM and clutch I got from e-bay. I still feel like I stole the combo for $400. It was all new from a crate engine. I did it at the 45K time on the clock. It's been great ever since.
Old 08-12-2009, 03:39 PM
  #9  
bdw18_123
Drifting
 
bdw18_123's Avatar
 
Member Since: Jun 2007
Location: Prather, California -1990 ZR-1 White/Flame Red- -SOLD!!-
Posts: 1,261
Likes: 0
Received 2 Likes on 2 Posts

Default

I replaced my clutch assembly when I bought my car, since it wasn't running very good and I had to remove the engine anyway. The chassis/transmission had around 123k miles on them (engine had been recently overhauled, only had around 8k on it at the time). The flywheel still looked good and didn't feel loose. I don't know if it was the original or if it was replaced at some point.

I got the clutch assembly from Autozone for around $280, I don't remember the brand. But I haven't had any problems with it or using the original flywheel, no noise or rattles so far and I have since put 4-5k miles on it since then.
Old 08-12-2009, 03:48 PM
  #10  
jhammons01
Le Mans Master
 
jhammons01's Avatar
 
Member Since: May 2006
Location: Irvine Ca
Posts: 9,226
Likes: 0
Received 9 Likes on 7 Posts

Default

Replaced all of it.....All from Kragen @ 80kmiles

No problems at all.

The Tranny went south afterward, but not due to the clutch by any means.

Get notified of new replies

To Poll for Those Who Have Replaced Their Clutch




Quick Reply: Poll for Those Who Have Replaced Their Clutch



All times are GMT -4. The time now is 03:34 AM.