Hey everyone, long time member here just recently got back into a Z, it's a high mileage one with over 100,000 on the clock so i was expecting to have
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06-09-2015, 08:18 PM | #1 (permalink) |
A True Z Fanatic
Join Date: Sep 2010
Location: Albuquerque, NM
Posts: 2,045
Drives: 09 370Z Touring/Sprt
Rep Power: 10091 |
Clutch pilot bearing or something else?
Hey everyone, long time member here just recently got back into a Z, it's a high mileage one with over 100,000 on the clock so i was expecting to have to go through all the systems and get everything back up to spec. Anyways, what I'm wondering about is that I've been having a squeal coming from the transmission since i got the car and i believe I've traced it down to the pilot bearing, but would like some input from others on what else i should be checking for as I'm going to be taking it into the shop to have the clutch and flywheel changed out as well as the csc and master cylinder as i am going to be upgrading to the zspeed csc. Thanks for any input that can be provided and look forward to your responses
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06-09-2015, 08:59 PM | #2 (permalink) |
A True Z Fanatic
Join Date: May 2010
Location: Calgary
Posts: 1,861
Drives: 90 and 15 GMC Sierra
Rep Power: 421 |
Is it just when you push the pedal? Does it go away after you've driven it for a while?
Really, if your changing out everything, it shouldn't matter...it will get fixed. |
06-09-2015, 09:23 PM | #3 (permalink) |
A True Z Fanatic
Join Date: Sep 2010
Location: Albuquerque, NM
Posts: 2,045
Drives: 09 370Z Touring/Sprt
Rep Power: 10091 |
Yes only when i press the clutch pedal and does go away after warming up. There is another symptom im wondering about though and was wondering if it would be related to the pilot bearing, when I'm accelerating there is a whine coming from the transmission and gets louder the higher in the rpm range i go, any thoughts on that?
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06-10-2015, 12:19 AM | #5 (permalink) |
A True Z Fanatic
Join Date: Jun 2014
Location: Ga
Posts: 13,830
Drives: 2013 Nismo 370z
Rep Power: 2684392 |
Sounds like a pilot bearing issue. The thing is, if you are going in to do that then you should go ahead and do the clutch, pressure plate, CSC, CMC, and flywheel.
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06-10-2015, 12:35 AM | #6 (permalink) |
A True Z Fanatic
Join Date: May 2010
Location: Calgary
Posts: 1,861
Drives: 90 and 15 GMC Sierra
Rep Power: 421 |
They are noisy trannys, but it's normally more of a rattling sound...since your going to have the tranny out you could have it gone through at the same time...
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06-10-2015, 09:38 AM | #8 (permalink) |
A True Z Fanatic
Join Date: May 2010
Location: Calgary
Posts: 1,861
Drives: 90 and 15 GMC Sierra
Rep Power: 421 |
I know a few people on here have had gears replaced...if a gear is worn it will whine, you may have a gear or two that are worn...or depending on how they maintained the car you might need a fluid change, which I would do when buying used. First thing I do with any used car I buy or friends buy is change all the fluid, you never know what the previous owner did or didn't do...best to start fresh.
Last edited by 90 ST; 06-10-2015 at 09:41 AM. |
06-10-2015, 10:53 AM | #9 (permalink) | |
A True Z Fanatic
Join Date: Sep 2010
Location: Albuquerque, NM
Posts: 2,045
Drives: 09 370Z Touring/Sprt
Rep Power: 10091 |
Quote:
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06-13-2015, 05:49 PM | #12 (permalink) |
Base Member
Join Date: Jul 2010
Location: Near Portland, OR
Posts: 92
Drives: '10 370Z, Sport Pkg
Rep Power: 3370 |
Correction:
My guess: NOT Throwout bearing (clutch release brg.) See my post below.
__________________
'10 Z, Sport Pkg 6 MT, Stillen Brake Cooler, Z1 Oil Cooler w/Setrab 25 row/Mocal T-stat, Southbend Clutch w/light wt Flywheel. Last edited by pbs370z; 06-14-2015 at 02:55 PM. Reason: Correction |
06-14-2015, 02:05 PM | #14 (permalink) |
Base Member
Join Date: Jul 2010
Location: Near Portland, OR
Posts: 92
Drives: '10 370Z, Sport Pkg
Rep Power: 3370 |
Just listened again. I got it backwards - not the throwout bearing (sorry bout that). It whines the 1st 2 revs (clutch out, transmission spinning), quieter with the pedal pressed (trans. not turning). That indicates something in the trans. (bearing or gear?) when the input shaft is spinning.
Also, the pilot bearing and tranny shaft would not be spinning relative to each other with the clutch pedal released (up, not pressed) so I would say the pilot bearing would not be the cause. These are usually just a bronze sleeve anyway (no noise).
__________________
'10 Z, Sport Pkg 6 MT, Stillen Brake Cooler, Z1 Oil Cooler w/Setrab 25 row/Mocal T-stat, Southbend Clutch w/light wt Flywheel. Last edited by pbs370z; 06-14-2015 at 03:01 PM. |
06-15-2015, 01:19 AM | #15 (permalink) | |
A True Z Fanatic
Join Date: Sep 2010
Location: Albuquerque, NM
Posts: 2,045
Drives: 09 370Z Touring/Sprt
Rep Power: 10091 |
Quote:
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