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#1 |
Registered User
Join Date: Oct 2011
Location: Bethpage TN
Posts: 42
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Annoying "POP" in clutch pedal after new clutch kit?
Ok I pulled my transmission & transfer case out of my 79 K20 a couple of months ago to install a new clutch. I had my flywheel resurfaced and ordered a new clutch kit from South Bend Clutch with a diaphram(sp?) pressure plate. I installed a new clutch fork and put new bushings in the Z bar linkage, added the LONG clutch fork return spring (ordered both but couldn't make the little one work?), and also swapped out the large garage door style OEM spring for the new style pedal return spring.
Now I have a EXTREMELY annoying POP when releasing the clutch pedal about half way up. The problem comes and goes....sometimes it will do it time and time again, other times I may drive for 30-45mins before it does it again. Its a distinct enough pop though that if I'm not paying attention I can almost stall my truck when it happens. ![]() An old mechanic friend told me there are different length throw out bearings for our old trucks, and that most likely I got a short one in my clutch kit and need a long one? He's usually right on the money on his stuff, but I've never heard this before? Anybody have any insight?
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97 Dodge 2500 12V NV4500... way to much to list. 79 Chevy K20 4" RC/37" GY OZ's 350/465/205.... restoration somewhere in the futue.... NEW: Project 88 Chevy R3500 3+3 / 88 V3500 3+3 combing two to make one.... |
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#2 |
Registered User
Join Date: May 2011
Location: Lexington, NC
Posts: 157
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Re: Annoying "POP" in clutch pedal after new clutch kit?
Just taking a SWAG at this....Isn't there a bushing at the pedal pivot? Could the bushing be wore enough to pop now that you have all new clutch/z-bar/springs?
Just a guess....
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'85 SWB Silverado |
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#3 |
Registered User
Join Date: Feb 2011
Location: belpre ohio
Posts: 78
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Re: Annoying "POP" in clutch pedal after new clutch kit?
I know for my 81 there was two diffrent throw out bearings. One short and one long..Mine had the long and I put in a short in before i noticeed the differance.. Worked fine..never had a popping noise.. Just had to adjust the pedal allittle.. Sound to me like something getting in a bind of some sort..
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66 CHEVY STEPSIDE 2WD W/283 ( FAMILY HAND ME DOWN) 81 CHEVY SHORT BED 2WD W/250 4SPD TRANS STRAIGHT 6 ( CURRENTLY UNDER CONSTRUCTION) 01 SILVERADO SHORT BED 2WD W/4.3 5SPD TRANS ( DAILY DRIVER) Sold 03 SIERRA 4X4 STEP SIDE EXTRA CAB 5.3 AUTO( NEW DD) 09 CHEVY COBALT W2.2 AUTO (GF'S DAILY DRIVER) |
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#4 |
Moderator
![]() Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,951
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Re: Annoying "POP" in clutch pedal after new clutch kit?
Fork pivot pin worn?
Z-bar pivot bushings worn? |
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