I was on my way home from work and lost all pressure from clutch pedal was able to grind my way home but now i can't get to the shop(too many stoplights to grind through) I can work on engines all day but know nothing of transmissions and clutch assemblies would it be the clutch or master/slave cylinder 1991 chevy k1500 everything was working great 2 minutes later no cluch thanks
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Most likely still has air in hydraulic clutch slave system. Many transmisions will have dificulty shifting if clutch doesn't full disengage. If air is in system it won't allow full disengage thus difficulty in shifting even possible grinding gears
the gear grinding noise is because the clutch plate is not fully disengaging and the input shaft is still driving. If you did not use the same length of push rod then the slave cylinder is not moving enough to disengage the clutch. Check it out that with the pedal on the floor the piston in the slave cylinder should be almost to the edge of the slave cylinder . That is where It should be to be working properly
Just a guess from an old shadetree mechanic: pedal pressure is wrong-too weak, or the clutch pressure plate bolted to the flywheel is bad. They will wear on the fingers and the plate's springs can wear. There should be a Case repair facility at a dealership, anywhere close? A mechanic familiar with your case 580, they often don't mind talking a bit over the phone about a mechanical problem. I meant by pedal pressure-I don't know if the rig is hydraulic clutch or mechanical linkage or cable operated, but check if the clutch pedal can be adjusted. On a hydraulic clutch with a clutch master cylinder and an associated slave cylinder, there is no adjustment. You just have to keep the reservoir full of dot-3, or dot-4 brake fluid. So that's my guess, something wrong with the pedal, or worse, something wrong with the pressure plate. You definitely need a second opinion. Good luck.
First of all I think I should say that clutches do not make grinding noises - but transmission gears do. However, a clutch that is not disengaging properly can make the gears grind when trying to shift from one gear to the next. Also a common source of noise is the clutch throwout bearing. This will make a "grinding" or "growling" noise any time the clutch pedal is depressed. In either of these cases, the only solution is to replace the clutch, throwout bearing, pressure plate and pilot bushing. These all usually come in a clutch kit. If you have an hydraulic clutch with an internal slave cylinder it is recommended to replace the slave cylinder as well and also the flywheel on on vehicles. I'm sorry I cannot be more specific because you did not mention what type of vehicle we are talking about here.
the slave cylinder on the trans works just like a brake cylinder, when fluid pressure is applied it flows into the cylinder and pushes against a clutch fork which engages a throw out bearing against the clutch pressure plate fingers. a couple things could have happened. I think your trans is fine but im sure the clutch fork or the pressure plate broke. I'm sorry but the trans is gonna have to be pulled. best wishes
It seems like the clutch pressure plate has gone, not releasing the clutch plate once the pedal is operated.
The noise you hear, is it a screeching one or is it like the gears rubbing eachother.
If its a screeching noise thn its the release bearing and if its a heavier grinding noise thn its the gears.
Guess you will have to replace the clutch pressure plate, its highly recomended though to replace the pro-kit,i.e the clutch plate, pressure plate and the release bearing.