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-   -   Intermittent Metal Noise (https://www.camaro5.com/forums/showthread.php?t=588763)

Valkyrie14 03-04-2021 06:36 PM

I watched a really good generic video on manual transmission noises. Granted the M6 may be different from what he showed. The throw out bearing would be affected by clutch use and that doesn’t seem to be the issue because the noise was unaffected by the clutch going in or out. Also, the noise in 4th would mean something, but that wasn’t it. Then going in neutral at 40 mph, which didn’t do anything either.

I did figure out that above 40 the noise doesn’t really occur. It is more in stop and start situations. It is definitely something that spins whether I am in gear or neutral, moving and at a stop. I am leaning transmission, but not sure what?

predatorftfw 03-06-2021 08:01 PM

Quote:

Originally Posted by Valkyrie14 (Post 10966362)
I watched a really good generic video on manual transmission noises. Granted the M6 may be different from what he showed. The throw out bearing would be affected by clutch use and that doesnít seem to be the issue because the noise was unaffected by the clutch going in or out. Also, the noise in 4th would mean something, but that wasnít it. Then going in neutral at 40 mph, which didnít do anything either.

I did figure out that above 40 the noise doesnít really occur. It is more in stop and start situations. It is definitely something that spins whether I am in gear or neutral, moving and at a stop. I am leaning transmission, but not sure what?

I have a similar sound but looking more forward a vaccum related issue (another thread, long story)

Does it sound like two metal disks spinning together making a sometimes quiet, sometimes loud, metallic whirring? Not like a knock, but just a rotational sort-of-grinding noise? Kind of like a diesel engines sound but milder. With the high pitched portion

Valkyrie14 03-08-2021 10:06 PM

So I took it to a guy here, found a good mechanic by the way, we put it up on the lift to listen to it while it was running. Found the noise in 5 minutes.

The drive shaft loop was barely touching the exhaust pipes. The echo on the pipe was sending noise everywhere.

So...what had happened was...when I dropped my tank I had to drop the pipes and driveshaft. When I reinstalled the drive shaft loop I noticed two weird ground down washer that sat in between the plates on the bottom of the loop. I wanted the plates to be flush for strength. Turns out the the previous owner knew what he was doing. The washers put the loop at just the right angle to keep the top of the loop from touching the pipes.

Happy ending to the story that cost nothing to fix. The new mechanic is a transmission guy. We got to talking about a double clutch and now I am thinking about that.

1JEWLDSSRS 03-09-2021 05:04 PM

Wow that' cool!! So glad you got that figured out, for free!! lol.

Valkyrie14 03-09-2021 10:21 PM

Quote:

Originally Posted by 1JEWLDSSRS (Post 10969481)
Wow that' cool!! So glad you got that figured out, for free!! lol.

Yeah, I was beginning to think it was major. Always great when it is something easy.

Avenging Orange 03-09-2021 10:37 PM

:happyanim::clap::grouphug:


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