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Clutch question re:throwout bearing #949205 06/12/09 10:01 PM
Joined: Nov 2006
Posts: 86
rovers1973 Offline OP
Getting the Wheeling Fever
Can anyone tell me what the signs of a worn throwout bearing would be. My clutch seems to have something wrong and its only got about 16K miles on it but the boneheads never replaced that bearing. It doesn't engage smoothly for the most part. Its almost like as you release the pedal, it reaches a certain point and then just grabs. I can sometimes hear a metallic clink when pushing the pedal in and out moving at low speeds too. Sometimes the tranny gets semi-stuck in reverse after parking and its nots always smooth going into gear (more so in 1st and 2nd).
When in gear and driving its perfect, no slip or noise etc.
Sorry for the long post but wanted to put as much info as I could. Would love some opinions before I decide to take it to a shop, (this job is out of my time frame)
Thanks in advance.


91 SR5 Xtra Cab, 298000km, 4" lift, 56" rear springs, 33-12.5R15 BFG Mud-Terran T/A KM2.....and an '85 axle still waiting to go in.
Re: Clutch question re:throwout bearing [Re: rovers1973] #949206 06/12/09 10:47 PM
Joined: Sep 2003
Posts: 1,686
Staceman Offline
Body Damage is Cool
Make sure that the clutch pedal bracket isn't cracked. That will cause similar issues you described. The metal of the bracket will actually move as you use the pedal. Lots of posts on it here with your generation of truck.


85 4Runner - With NEW Marlin 4.7 Gears!! It's a whole new beast!
Re: Clutch question re:throwout bearing [Re: Staceman] #949207 06/12/09 11:51 PM
Joined: Nov 2006
Posts: 86
rovers1973 Offline OP
Getting the Wheeling Fever
Quote
Make sure that the clutch pedal bracket isn't cracked. That will cause similar issues you described. The metal of the bracket will actually move as you use the pedal. Lots of posts on it here with your generation of truck.

Yeah, I've seen that, but mine's fine. The pedal pressure etc is good too, master cylinder rebuilt not that long ago.


91 SR5 Xtra Cab, 298000km, 4" lift, 56" rear springs, 33-12.5R15 BFG Mud-Terran T/A KM2.....and an '85 axle still waiting to go in.
Re: Clutch question re:throwout bearing [Re: rovers1973] #949208 06/13/09 01:14 AM
Joined: Sep 2003
Posts: 1,856
CJM Offline
Body Damage is Cool
I have seen the fork crack as well .. you might check that out , although you might not be able to see ..


.


86 4x4 , fiberglass bed , 1/2 doors , hood, etc..
84 Custom 2WD 400HP supra suspension , full frame
83 Trekker SR5
NEW Trekker forum
Re: Clutch question re:throwout bearing [Re: CJM] #949209 06/13/09 09:10 PM
Joined: May 2009
Posts: 177
Ralph Offline
Wheeler
Bad throw out bearings usually Howl,or make some kind of a noise when you push in the clutch.


Ralph

1991 Toyota 4x4 Standard Cab Pickup.
engnbldr cam and head.
Doug Thorley Headers
Home Made Cat Backs
30x9.5x15 BF Goodrich All-Terrain M/T KM2
Re: Clutch question re:throwout bearing [Re: Ralph] #949210 06/15/09 03:10 PM
Joined: Nov 2006
Posts: 86
rovers1973 Offline OP
Getting the Wheeling Fever
Quote
Bad throw out bearings usually Howl,or make some kind of a noise when you push in the clutch.


It does make a sort of ticking noise when the pedal is pushed, and it goes away when it fully released. Not very loud though.


91 SR5 Xtra Cab, 298000km, 4" lift, 56" rear springs, 33-12.5R15 BFG Mud-Terran T/A KM2.....and an '85 axle still waiting to go in.
Re: Clutch question re:throwout bearing [Re: rovers1973] #949211 06/16/09 08:12 AM
Joined: May 2009
Posts: 177
Ralph Offline
Wheeler
Well it's just a matter of time and she'll be howling.
But drive it until it gets loud, or until look at you when you drive by..


Ralph

1991 Toyota 4x4 Standard Cab Pickup.
engnbldr cam and head.
Doug Thorley Headers
Home Made Cat Backs
30x9.5x15 BF Goodrich All-Terrain M/T KM2
Re: Clutch question re:throwout bearing [Re: Ralph] #949212 06/16/09 03:39 PM
Joined: Nov 2006
Posts: 86
rovers1973 Offline OP
Getting the Wheeling Fever
I forgot to mention that it will chatter sometimes when starting off too, if that means anything. Thanks for the responses guys.


91 SR5 Xtra Cab, 298000km, 4" lift, 56" rear springs, 33-12.5R15 BFG Mud-Terran T/A KM2.....and an '85 axle still waiting to go in.
Re: Clutch question re:throwout bearing [Re: rovers1973] #949213 06/16/09 11:39 PM
Joined: May 2009
Posts: 177
Ralph Offline
Wheeler
Chattering usually means a weak pressure plate.

So you looking at the whole thing.
resurface flywheel, Clutch disk and throw out bearing.

When I purchased my pickup it had the whole set with it.

I purchased a complete engine from a local speed shop and dropped it in and replaced everything.
So I don't know what is involved in doing an install.

Ralph..


Ralph

1991 Toyota 4x4 Standard Cab Pickup.
engnbldr cam and head.
Doug Thorley Headers
Home Made Cat Backs
30x9.5x15 BF Goodrich All-Terrain M/T KM2
Re: Clutch question re:throwout bearing [Re: Ralph] #949214 06/17/09 12:27 AM
Joined: Nov 2006
Posts: 86
rovers1973 Offline OP
Getting the Wheeling Fever
Quote
Chattering usually means a weak pressure plate.

So you looking at the whole thing.
resurface flywheel, Clutch disk and throw out bearing.

When I purchased my pickup it had the whole set with it.

I purchased a complete engine from a local speed shop and dropped it in and replaced everything.
So I don't know what is involved in doing an install.

Ralph..


Last time I had the clutch done (about 20K km ago) it had a new flywheel and a new clutch fork from Toyota put in. The only thing they didn't do was the bearing (my bad for assuming it would be replaced since it was opened up and they're fairly cheap). I haven't even been off road with it since. Very frustrating. Could just be a s**t OEM clutch kit I guess.
Anyone see any problems with just going with it as is for as long as I can get out of it?


91 SR5 Xtra Cab, 298000km, 4" lift, 56" rear springs, 33-12.5R15 BFG Mud-Terran T/A KM2.....and an '85 axle still waiting to go in.
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