TJ Manual Transmission noise on cold start -
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post #1 of 2 Old 11-08-2014, 08:37 AM Thread Starter
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2001 TJ Wrangler 
Join Date: Aug 2014
Location: phoenix
Posts: 2
TJ Manual Transmission noise on cold start

2001 Jeep Wrangler Sahara with NV3550 manual transmission...

I've yet to find a post that describes the noise I'm hearing coming from my transmission, so here goes:

On cold starts I hear a loud intermittent hiss or a high pitched grind when in neutral and while driving in all gears. No problem shifting at all and no performance issues - just the noise.

The noise goes away once the Jeep is warmed up and doesn't return until another cold start the next morning.

Video uploaded with sound on youtube:

Anyone know what this is?

schrades23 is offline  
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post #2 of 2 Old 11-08-2014, 11:21 AM
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Join Date: Dec 2004
Posts: 9,588
Tell tell sign of bad pilot bearing or clutch release bearing or better known as Throwout bearing.
All gets replaced in a clutch job so it dont really matter.. You got to drop the trans.. Since when the TO bearing gets to bad and seizes to the collar it rides on, bad things happen...
Jeepsr4me is offline  

grind , hiss , noise , tj , transmission

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