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Old 02-09-2006, 09:07 AM
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throw out bearing shot

my throw out bearing is starting to go, it will sometimes make a harsh screeching sound when the clutch is engaged, what will happen if i continue driving like that? like not forever but until i can get time to pull the transmission out and change it.

Thanks

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Old 02-09-2006, 09:24 AM
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If it hasn't already happened, usually it will take out the
Pressure Plate fingers and Clutch Fork (sometimes it will damage the Transmission Input casting-this is on earlier designs)-

What year and make are we talking about here?
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Old 02-09-2006, 09:26 AM
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88 firebird, 2.8L with 5 spd. i replaced it no more then 3,000 miles ago, did a complete clutch job.
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Old 02-09-2006, 11:16 AM
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If it only lasted 3000 miles then you did not have your free travel adjusted right, either that or you ride the clutch.
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Old 02-09-2006, 11:25 AM
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Don't keep driving it. If it goes out on you it may cause further damage. When the one went out on my blazer it took out the clutch fork and cost me $60. I had also previously replaced the clutch and throwout bearing before it wiped out again. The throwout bearing I was sold was a new type made out of some kind of plastic or fiber that later came apart. It was a POS. When I brought everything back to Advanced Auto I got a new clutch with a full metal throwout bearing. No more problems!
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Old 02-09-2006, 11:39 AM
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I believe that throwout bearings fail for two reason, first ridding the clutch and second the adjustment is incorrect. If this is accruing I would consider checking your driving habits and or the adjustment. The bearing should not be engaged when the clutch is out , no pressure on the peddle, the throwout bearing more then likely should last at the very least last as long as the clutch and pressure plate. (this could be a third reason)................
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Old 02-09-2006, 09:13 PM
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Theres another reason for failure...wear! Some things just wear out. My Blazer was a 1994 model. The reason I mentioned the so called new and improved throwout bearing is because I do not think it is a good product, from my own experience. Why Montea's bearing failed after 3000 miles may be for the reasons mentioned before or maybe just a faulty product. Keep us informed Montea. Thanks!
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Old 02-09-2006, 09:47 PM
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My son works in a shop and does a large amount of clutches. He now absolutely refuses to put in non-oem parts. He just did our neighbors complete clutch at the shop, 5.0 mustang. T/O bearing lasted 1 month! He checked and it was from some outsourced supplier. He told his boss "no more" since his boss won't pay him for warrantee work.

Anyways, all the above reasons from the other posts along with crappy "way west of LA" parts.

Mark
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Old 02-10-2006, 07:09 AM
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Thank you for all the replys

my adjustment is set right because its a hydraulic clutch and automatically adjusts itself, and another reason i know its not putting pressure on the bearing while pedal is because when there is 0 pressure on the pedal i get a light squeaking noise, supposed to be the clutch fork pivot ball area that i forgot to grease i was told.

as for riding the clutch, i admit i will ride it a bit longer then i probably should in 1st gear and at lights i don't pop it into neutral and let the clutch out, but still even my original bearing with 130,000 miles was still working fine. although it felt pretty ruff when i pulled it out, the new one felt Very smooth and is sealed up.

im going to go get a new bearing this morning, i would get a OEM one but im sure they will have to order it in and takes such a long time. this weekend we supposed to hit +18 degrees Celsius(64 Fahrenheit) up here in Canada so i want to get it done while its nice and before i grenade my whole clutch.
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Old 02-11-2006, 05:34 PM
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Well got the throw out bearing job done this weekend, didnt take to long, had a friend help so i didnt kill myself with the tranny.

today before i swaped it out i was driving around quite a bit and never heard the bearing once, took for a good drive after the bearing replace and seems to be all good, but i guess i will see in the next few days. i hope it was the bearing.

After pulling out the old bearing it seemed very smooth still but maybe a bit loose.

Now to make this one last, what is the proper way of driving with the clutch? i realize slipping it should really only be 1st gear to take off, and at a light should i be popping it into neutral and letting go of the clutch? i dont know 1 person that does this but my friend that is a HET says its best to do.

Thank you
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