Extreme Grind Upon Acceleration

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JPVortex

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Thank you! Definitely a good process to follow. Will need to check on if it happens in reverse, I don’t remember hearing it backing up though
 

movietvet

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When you get under it, if you do, pull the t-case fill plug and reach in for a sample of fluid and how full it is.
 

JPVortex

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When you get under it, if you do, pull the t-case fill plug and reach in for a sample of fluid and how full it is.
It should be totally full. It doesn’t leak and it was just filled with fresh fluid 6 months ago when I put a used transmission in. But will check still for the level and color to be sure.
 

movietvet

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If the transfer case is causing that noise, it is likely gonna have some metal flake in the fluid. But, I would also expect some noise when maintaining speed in gear and not just on accel. Who knows though. Gotta check it all till you find the source and not assume. That noise should be easy to pinpoint though.
 

JPVortex

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If the transfer case is causing that noise, it is likely gonna have some metal flake in the fluid. But, I would also expect some noise when maintaining speed in gear and not just on accel. Who knows though. Gotta check it all till you find the source and not assume. That noise should be easy to pinpoint though.
I hope it is easy to pinpoint! Hopefully it doesn’t get to the point of draining the transmission and tcase to look for metal flakes.
 

JPVortex

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If the transfer case is causing that noise, it is likely gonna have some metal flake in the fluid. But, I would also expect some noise when maintaining speed in gear and not just on accel. Who knows though. Gotta check it all till you find the source and not assume. That noise should be easy to pinpoint though.
It’s just kind of hard also to check the transmission etc. I feel like not in all cases will there be metal flakes or shavings. I sure hope that I can find it and don’t have to fold and take it to a shop for diagnostic.
 

NickTransmissions

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It’s just kind of hard also to check the transmission etc. I feel like not in all cases will there be metal flakes or shavings. I sure hope that I can find it and don’t have to fold and take it to a shop for diagnostic.
I can guarantee you that if your gear train in the trans is breaking up, piles of broken gear teeth will be at the bottom of the pan. Like others have said, don't assume/expect - inspect.

It shouldn't be too hard to find the source of the sound.
 

JPVortex

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I can guarantee you that if your gear train in the trans is breaking up, piles of broken gear teeth will be at the bottom of the pan. Like others have said, don't assume/expect - inspect.

It shouldn't be too hard to find the source of the sound.
Yeah that’s true, I don’t want to just throw parts at it. So as much as I don’t want to waste money by draining the transmission and transfer case to possibly find nothing it will still help to diagnose the source of the noise. The fluid will tell you a lot
 

movietvet

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If you got a fluid transfer problem, from the transmission to the t-case, when you remove that fill plug on the t-case, fluid will come pouring out of there. Like @NickTransmissions was eluding to, metal in pan and the transmission fluid check would show some scary stuff too.
 
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