How to know if its time to change the clutch or not? --- - ZR-1 Net Registry Forums

alwayscode390 · 09-23-2013

My clutch doesn't grab until the pedal is almost all the way out.

Something is telling me that it may be time to replace some clutch related parts.

I get the noisy clunking from the transmission when the car is warm ... its fine cold , but after driving it is embarrassingly loud. If I move the shift knob side to side in neutral, sometimes it quiets it down shortly.

Isnt there a test to go on the highway at low rpm in 4th gear then punch it ... if the clutch plate is worn the rpm's will shoot up faster than the acceleration?

I will go to a single mass flywheel ( if there isn't already one in here ) and the BMW transmission fluid.

I will also need a clutch, pressure plate, and throw out bearing right?

Whats the forums favorite brand of parts to go with? I think I saw a few people using the Fidanza flywheel.

What are the part numbers?

I've never replaced a clutch in any vehicle I have owned before.

THANKS for the help! ---

gbmidyear66 · 09-24-2013

Before tearing into the clutch, suggest you check that the reservoir is up, and that the slave is not leaking. I had a leaking slave and it had a noticeable effect on the behavior of the clutch

alwayscode390 · 09-24-2013

Good call, I will check that first.

I haven't driven many miles since I last checked, but it has been awhile

---

Schrade · 09-26-2013

Post up what you find there; I still have almost all parts (including the fork) from my auto conversion. New Parkerization (gun parts Phosphate coating) on some of the parts so far.

I can get them out for postage plus enough for a Happy Meal...............

09-23-2013	#1
alwayscode390 Join Date: Dec 2012 Location: STL Posts: 492	How to know if its time to change the clutch or not? --- My clutch doesn't grab until the pedal is almost all the way out. Something is telling me that it may be time to replace some clutch related parts. I get the noisy clunking from the transmission when the car is warm ... its fine cold , but after driving it is embarrassingly loud. If I move the shift knob side to side in neutral, sometimes it quiets it down shortly. Isnt there a test to go on the highway at low rpm in 4th gear then punch it ... if the clutch plate is worn the rpm's will shoot up faster than the acceleration? I will go to a single mass flywheel ( if there isn't already one in here ) and the BMW transmission fluid. I will also need a clutch, pressure plate, and throw out bearing right? Whats the forums favorite brand of parts to go with? I think I saw a few people using the Fidanza flywheel. What are the part numbers? I've never replaced a clutch in any vehicle I have owned before. THANKS for the help! --- __________________ [SIGPIC][/SIGPIC] 01' Dodge Viper GTS 11' Ford Raptor 90' ZR-1 Corvette LPE #699

09-24-2013	#2
gbmidyear66 Join Date: Feb 2008 Location: Vancouver, BC Posts: 252	Re: How to know if its time to change the clutch or not? --- Before tearing into the clutch, suggest you check that the reservoir is up, and that the slave is not leaking. I had a leaking slave and it had a noticeable effect on the behavior of the clutch __________________ [SIGPIC][/SIGPIC] __________________ 1990 Corvette ZR-1 #2824 4.10's, Custom PROM, Flowmaster, Top End Port NCRS BC Chapter

09-24-2013	#3
alwayscode390 Join Date: Dec 2012 Location: STL Posts: 492	Re: How to know if its time to change the clutch or not? --- Good call, I will check that first. I haven't driven many miles since I last checked, but it has been awhile --- __________________ [SIGPIC][/SIGPIC] 01' Dodge Viper GTS 11' Ford Raptor 90' ZR-1 Corvette LPE #699

09-26-2013	#4
Schrade Join Date: Dec 2012 Location: NC Posts: 1,786	Re: How to know if its time to change the clutch or not? --- Post up what you find there; I still have almost all parts (including the fork) from my auto conversion. New Parkerization (gun parts Phosphate coating) on some of the parts so far. I can get them out for postage plus enough for a Happy Meal............... __________________ I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG]