Clutch Going Out Or??? - JeepForum.com
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post #1 of 5 Old 06-15-2021, 10:56 AM Thread Starter
thundercles
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Clutch Going Out Or???

I have a 79 CJ7 with AMC 360 and T150 transmission. The engine and T150 only have about 9,000 miles since a rebuild. Recently, I have started to get an intermittent loud whine sound when I am letting the clutch out. It sounds like what I would imagine a roller bearing going bad sounds like. This usually occurs primarily when I am just starting up the jeep and backing out of the garage. It does happen when starting off in 1st gear as well. I have never heard it when shifting from 1st to 2nd or 2nd to 3rd. The whine goes away completely when the clutch is fully released and power is transmitted. It also seems to be most prevalent before the Jeep is warmed up. I'm not very familiar with the clutch setup on these. Does this sound like a clutch going out, some bearing going bad, or some other gremlin? thanks in advance for any insight.

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post #2 of 5 Old 06-15-2021, 11:02 AM
pedal2themetai
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HI sounds like the throw out barren.. do you have free play at the pedal when the clutch pedal is all the way out? Should be like 1 1/2" before you feel clutch feed back.. with out that free play you well burn up a throw out barren.. also check fluid level
good luck
tim
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post #3 of 5 Old 06-15-2021, 10:20 PM
JEEPFELLER
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Do you have your wife in there at the time?

Mine sometimes whines before I fire it up.

I'm in agreement with pedal2themetai

Sounds like the throw out bearing to me also

Not saying that you did not have the 1 inch of pedal free play at the top.

Things happen, good parts can be defective!

If it were me, a different brand this time.

I feel for you having to pull it all down again---I always hate that part!

-----JEEPFELLER
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post #4 of 5 Old 06-16-2021, 04:05 AM
keith460
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I would say throw out bearing as well by the sounds of it.

Another remote possibility would be the thrust bearing on the engines crankshaft in the wrong position or simply worn. This would shift the crankshaft itself during shifting and cause a whining noise as well. A fellow Jeeper I know had that problem after rebuilding his engine and putting the thrust bearing in the wrong location. But the whining noise was heard anytime the clutch pedal was depressed and engine running.

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post #5 of 5 Old 06-16-2021, 02:14 PM
JeepdaddyRC
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My first thought was also throw out bearing, but...
You said you don't hear the whine when shifting from 1st to 2nd or 2nd to 3rd.
If the throw out bearing is defective or worn, you would expect to hear it each time your throw out bearing is engaged.
It would then stop whining when clutch pedal is fully released - unless your free play is gone, then you would continue to hear it.
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