Question about 1992 Isuzu Amigo
The clutch is new and the pressure plate is also new. I've having this problem since the vehicle have 40,000 miles(new). The vehicle is a 1989 Isuzu Amigo 2.6L(4X4) . There is no oil on the clutch or pressure plate. I have this car since 1992. The problem is, this is the fourth time the vehicle have this problem. The vehicle have been properly maintained and is in perfect conditions.What I am thinking is that the flywheel is the problem even though it have been set for correction to a machine shop. Also the hydraulic cylinders of the clutch have been replaced. Also there is no air on the hydraulic system it have been properly bleed ed. The problem occurs when the car is in a traffic jam after a while the clutch start slipping when shifting gears.
My cousin has a 93 2.6L 2 wheel drive Amigo. She was driving u a hill when the clutch started slipping, she had only purchased/started driving the vehicle 6 months before the clutch Slipping occured. I took the Trans out, resurfaced the flywheel, installed a new pilot bearing in the crankshaft, installed a new non factory pressure plate, clutch disc and throw out bearing. I put the trans back in aaand it continued to slip in the exact same way : / . Took trans out a second time, replaced resurfaced flywheel with brand new flywheel, adjusted the clutch pedal to 6.71-7.13 inches from the floor to ensure that the return hole in the clutch master cylinder was not blocked by inner piston. Put everything back together and it STILL! friken slipped like crazy, vehicle wouldn't accelerate quickly and it could not travel faster then 50mph in any gear.
I've read all over the internet and I even talked to the Isuzu dealership shop foreman who said that once the clutch pedal is adjusted correctly the throwout bearing fork/clutch slave should be able to be pushed back/into itself with just a thumb or by hand, if you can't press it back with just a hand then the pedal is misadjusted. He also mentioned that many models have the throw out bearing constantly touching the clutch pressure plate, this is normal on the amigo if its a light ,only just making contact pressure. However if you have a mis-adjusted pedal possibly what could occur is that heat will expand the fluid in the line and will force the pressure into the clutch slave cylinder and press on the clutch as if you were slightly pressing on the pedal and the clutch would begin to slip.
it's my process of elimination hypothesis that . . . either the flywheel's outer diameter raised surface should be machined down some to cause the pressure plate to bolt down lower, causing the pressure plate , pressure surface to push farther up into itself when it makes contact with the clutch disc to give it more spring pressure. OR the clutch disc needs to be thicker causing the same thing oor the pressure plate is weak and needs to be replaced w a more performance brand higher pressure version of a stock pressure plate. Those are the last 3 possible causes of clutch grip failure aka clutch slip.
Posted on Apr 23, 2011
Check the adjustment of the clutch push rod. It is the rod that connects the clutch pedal to the clutch master cylinder.
Posted on Oct 09, 2010
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Posted on Jan 02, 2017
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