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Resolved 1G Let's play "what is this tranny sound"

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CrackedDSM

15+ Year Contributor
5,833
5,729
Dec 17, 2009
Pensacola, Florida
Sup fellas. Me again back with another problem.


Symptoms: Transmission will not disengage the clutch. If you try to start it in gear, car lurches forwards. When the engine is running, if you press the clutch in and try to put it in gear, it will not budge. Linkage is adjusted properly, trans goes into gear perfect when engine is off. Transmission has like 0 miles on it.

More info: I have not bled the slave yet, but I sat under the car and had my wife push the clutch pedal in, and the clutch fork does move/does push against the clutch plate like it SHOULD work. I'm not sure exactly how far the fork should be pushed by the slave. Is there a hard number/measurement it's suppose to move? Clutch fork is right in the middle of the window, if a little bit towards the passenger side if anything.


QUESTION:

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Is this sound with the engine on related? It's coming from the transmission. IF it is related, what could be making this sound? As far as I know, the transmission has redline shockproof fluid in it. Manual transmissions are brand new to me, so I have absolutely no experience or clue as to what I'm doing here. I'm an auto guy. Lol. So any help is majorly appreciated!

More info: Noise does NOT go away with clutch pedal pressed.
 
Last edited:
Solution
Bumping this up. I haven't reinstalled anything yet, and everything I can replace is new. However I'm terrified that it's something internal in the trans.


So my question is...what in the transmission could go bad that would sound like twin-disk clutch chatter? Because honestly that's what it sounds like to me. The fact I haven't found a smoking gun in all the used parts I took off, really makes me nervous. Should I just bite the bullet and start taking this transmission apart?


Edit: Tim Zimmer thinks the transmission is screwed. I'm inclined to agree. Because it wasn't noisy when I first started it, but idling all this time with no fluid inside of it has grenaded it. Guess I'll take it apart and see what I can find.
Wait, what??? No fluid?


Yeah. I posted awhile back in this thread that I started the car and idled the engine, and unknown to me the entire time the transmission had 0 fluid in it.

The previous owner assured me that he filled the trans, tcase, and rear diff with new redline fluids but I later discovered that all three were bone-dry. So yeah. Fresh 0 mile rebuilt transmission is probably now a big paperweight.

This is a heartbreaking lesson in not trusting anyone, even your closest friends. Check your fluids, people, even if you're totally sure they're fine.
 
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