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CMDR Perry CMDR Perry is offline
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Join Date: Oct 2006
Location: Minnesota
Posts: 533
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Question Drivetrain riddle for Pelican Tech experts

Ok I am hoping for some insight via the Pelican brain trust.

I have a Japanese project car that I bought last fall. The engine runs fine, the gearbox and clutch work fine, the car shifts easily and smoothly going down the road. But if I stop and put the transmission in neutral and try and let out the clutch the engine will die even when fully warmed up?

If I shut off the car it will roll forward / backward in neutral. I am thinking the clutch was somehow assembled incorrectly by the previous owner. Maybe the input shaft is binding in the pilot bearing or throw-out fork when the pedal is being released? Or can it just be a crossover misalignment of shafts & gears in the tranny?

This car has a hydraulic slave cylinder to move the clutch fork. The pedal is adjusted for the correct height and range of motion. The clutch pedal switch starter interlock is functioning correctly also.

I know I will have to eventually tear it apart and fix it. Right now I am wondering if anyone else has seen this issue before and can shed some light on the root cause.

Thanks, DP.

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1986 Mazda Rx-Vetten LS1 swap street / track car
2007 MX-5 Roadster, Cinnamon, MC STR champion (sold)
2013 Scion FR-S, MC STX champion (sold)
2002 Roush Stage 2 (traded)
1979 GP White 911SC coupe, aka "Bruce
Old 04-07-2014, 07:37 PM
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