I think i need a new clutch plate, but I'm not sure.
While driving on the highway, i suddenly lost power. I can turn my car on, if i step on the gas, the engine revs. When i go to shift into a gear, the stick goes into to gear, but the clutch doesn't engage. My friend suggested a new clutch plate, but i just don't know
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Re: I think i need a new clutch plate, but I'm not...
If there is no crunching when you sift into gear, then I agree, it sounds like the clutch needs renewal. When renewing the clutch plate, it is a very good idea to renew the pressure plate assembly as well.
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The clutch is not transferring power to the gearbox, which then is not turning, so that you can select gears without the clutch.Possibilities are
- clutch assembly has failed, possibly by the splined driven plate hub coming adrift
- clutch driven plate has become very worn and has lost contact
- slave cylinder has stuck through corrosion (assuming a hydraulic clutch) and is holding out the clutch independent of the pedal. This can be determined by watching it while someone depresses and raises the pedal.
I think it is unlikely the transmission input shaft has fractured.
For awhile? How long? And then it slips again? I think you need a new clutch, your clutch disc must be worn. A new clutch kit includes a new clutch disc or plate, a new or rebuilt clutch pressure plate, and a new release bearing. Costs about $150-200,for the kit, but you also need the flywheel surface smoothed at a machine shop or garage, then the labor cost of removing the transmission or transaxle to replace the clutch- it all adds up to an expensive job.
The clutch relies on the pressure between the pressure plate and flywheel. If the pressure is too low, due to weak springs, or worn surfaces, the new disks will be prone to fail. Oil from a bad rear main seal will wipe out clutch components, as well as an improperly adjusted clutch, or bad driving (not you though) On the hind side, overloading the clutch will wear it also. Shifting too early, bad brakes or bearings. Towing, or the wrong replacement parts. Do this, in high gear, on the highway, step on the throttle. Does the clutch slip? Too weak of pressure. Vibrations or chattering? wrong parts, Oil, or overheating from load. Burning smell? Something is loaded on the driveline or you need to get advice on clutch use. Just sayin for a newbee. Did you turn the surfaces when you changed the clutch? New pressure plate? Clutch disk? Proper Adjustment so it is not engaging? Parking brake not stuck? bearings or brakes hanging?
You don't state mileage on the car but I'm betting well over 100K. The master cylinder is sold as a one piece kit which has the line and the slave cylinder attached to it. More than likely your slave cylinder has gone bad, which means you'll have to drop the transmission to get it out as it's an internal mechanism that pushes your throw out bearing to engage your clutch. Yes it's time to also change the clutch and pressure plate too, you may as well as long as you have to drop the transmission AND in order to do that my friend, you're going to have fun, because the whole front of the car has to be lifted and the WHOLE X sub-frame has to be dropped which means struts and all have to be disconnected. NOT a fun driveway weekend job unless your young, don't mind bending and kneeling on concrete and have power tools, air guns, to make it easier. Strong arms if you're going to attempt it with hand tools. Good luck to you.
Basic steps: Get the car off the ground - use cement blocks. Drop the drive shaft. Unbolt the transmission - disconnect all the levers - move it to the rear. Unbolt the pressure plate and remove. The clutch plate then can be removed. You will need an alignment tool to replace the clutch and pressure plates. Get a new clutch plate - have your pressure plate machined or replaced. Reverse the procedure. If you need more detail ... get a motors repair book from your library or auto parts store that covers your model. You may need to replace the motor mounts. You may have to prop up the back of the engine.
the clutch disc probably finally gave up,, replace it,, have the pressure plate surfaced if needed,check the fingers for any wear , if they have any replace this part .. replace the throw out bearing,, and your good to go
from your description, it sounds like the clutch friction plate has worn down and the grinding noise is caused by the rivets holding the friction material in place rubbing against the flycheel and the clutch cover.
i think that the best advice i can give you here is to find a mechanic who can do the job for you, or at least help you with the job.. i can understand that finances can be an issue, but changing a clutch is not a job to try with limited mechanical experience. most clutch changes involve removal of the drive shafts (front wheel drive) or the prop shaft (rear wheel drive). then complete removal of the gearbox........ then the clutch cover needs to be removed, the clutch plate replaced and realigned. then it all need to be replaced.
i do not think it would be fair of me to advise trying this job yourself with limited experience, but if you do need to do this yourself, then i can only recommend that you get hold of a good workshop manual, that should have step by step instructions on the clutch change, usually with photos and diagrams.
The 1st step is to loosen your bell housing bolts and drop your starter.
The remove your drive shafts the front drive shaft will slide out from
the front and then pull it back to the rear. Then you must take your
shifter lose from the Trans not the diff. then drop your cross member.
Do not take the transfer case lose from the trans. If you can help it.
You will then remove the trans. And unbolt the pressure plate. And
everything should come off, make sure when you reinstall the clutch
plate that you make sure the side that said to fly wheel is against the
fly wheel. Make sure you tighten the pressure plate and clutch plate up
with you line up tool all the way in and don't be afraid to tighten
down on it. Because it isn't easy getting the Trans back up in there.
The reassemble in the same order.