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As the title says it's a basic question. How do I know if I have a clutch issue or a gearbox issue? After hearing a loud "pop" releasing the clutch it no longer moves. I've removed the floor pans and I think it's odd that I can see the front propshaft turn when I move the 4x4 lever. I also see the throughout bearing move in and out looking in the inspection plate. I've shifted gears/moved the 4x4 lever, confirmed the throwout is moving and shifted the OD lever but it still doesn't move. Clutch is bad - RIGHT? thanks
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when moving the "4x4" lever you probably mean the xfer case lever? as it engages/disengages the dog on the front output shaft it'll jog that shaft. .... (unless the splines happen to be perfectly aligned.
is it possible the "throwout" bearing is inside the forks of the pressure plate? I've had that happen (on a ford!) this was due to a basakwards installed bearing that wore through the forks. thereafter it could be seen to move but wouldn't activate the clutch, ((there were other obvious things going on as well))
does resistance increase as the clutch pedal goes down?
did the chain on the OD snap?
can you turn the wheels a full revolution with the vehicle in gear and off the ground? (try low and hi range)
a "loud pop" will be easy to diagnose using the right procedures. some description of what you were doing when this 'event' transpired may help too?
no; you're clutch didn't suddenly 'wear out'. -
Was it working fine, or is this the first try with a car that's been sitting for years? Really need more info.
If the front propshaft turns then you should be able to drive the truck in front wheel drive. Does that work? If you snap a rear axle you will have the truck not move as you release the clutch, but the rear driveshaft will spin. I've had that occur more than once as the rear driveshafts act as driveline fuses. But then engaging four wheel drive should allow the truck to move as long as you don't have free wheeling hubs on the front that are disengaged.Comment
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eric 88 is right. I've broken 2-3 rear half shafts. I spent many days on long drives (freeway) and later heard the lubrication to the rear differential was such that heat would affect the halfshaft and it'd break, (with me is always broke at the differential) yes, it drives fine in front wheel drive but you'll be grinding slivers of metal off into the rear differential till you drag all the stuff out of there. (and wash the case out and refill with new stuff) let us know what you find. inquiring minds wantt to know !!Comment
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