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2001 4.0 manual transmission noise


5 speed forever

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Hey guys, only my second thread on here hope it’s in the right place.

anyways I have a noise coming from my (manual) transmission. I almost sounds like bells ringing, or a chain being dragged.

the sound occurs whenever you’re moving in any gear, or in neutral stopped. The sound doesn’t occur when stopped with the clutch pushed in. The sound also changed pitch when the shifter is moved from left to right. It also seems loudest in 5th.
 


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snoranger

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Hey guys, only my second thread on here hope it’s in the right place.
No, it wasn’t. I moved it to the transmission forum.

Have you checked your fluid? Is it full? Is it empty?
 

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No, it wasn’t. I moved it to the transmission forum.

Have you checked your fluid? Is it full? Is it empty?
My bad. Yes I changed the fluid 2 weeks ago, it was at the correct level and there wasn’t any huge chunks of metal on the magnet. Fluid looked used but fine. I changed it with regular Mercon and the noise hasn’t quieted down any, if not gotten louder.
 

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If it does it while in neutral, engine running, and with the clutch engaged then the input shaft bearing bearing is a likely cause as the rest of the transmission won't be moving.

 

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Countershaft still spins...

the sound occurs whenever you’re moving in any gear, or in neutral stopped. The sound doesn’t occur when stopped with the clutch pushed in. The sound also changed pitch when the shifter is moved from left to right. It also seems loudest in 5th.
You're saying the noise occurs in 4th gear also?
 

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Busted clutch finger or spring?

Ill about bet its clutch related.
 

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Input shaft bearing.
 

PetroleumJunkie412

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Blinker fluid.
 

4x4junkie

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If the noise can be heard "spinning down" to a stop after you push the clutch in (neutral), then almost certainly it is within the trans (you said the noise also changes with moving the shifter tends to point to it being in the trans as well).

Time to tear it down. Input bearing does seem most likely.
 


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