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Too much fluid in the trans case

RAY

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My front input seal went bad and tranny fluid leaked into the transfer case. Now It is making a groaning noise like gears meshing together. I was wondering if running with too much fluid could damage or cause something to shift in the t-case to cause this new noise. I am thinking about rebuilding it, but would like to have an idea if a rebuild would solve my problem or just waste my time. I have already replace the seal, but still have the noise. Any help would be greatly appreciated.

Thanks,
Ray
 
Did you drain the t-case and replace it with new fluid or is the contaminated oil still in it?

Kind of confusing? What trans and t-case are you running?
 
Assuming you have a NP205 T-case and the ATF thinned out your gear oil. If so replace the o-ring and refill with gear lube....
 
NP208 fluid

The NP208 is suppossed to use dextron ATF--but many I've serviced had 80-90w gear oil in them,not the correct fluid,but it didnt seem to do any harm --but then,I didnt have the cases apart,I just changed fluids(and I put ATF back in!).:crazy:
 
dhdescender said:
ATF won't hurt a 205, they ran them in the later 80's.

My experience in rebuilding them is that with ATF there seems to be a bit of wear on the teeth, whereas with gear oil no marks occur.

Just drain it and fill it again with 90wt.
Prove it.
ATF will harden the seals in the case and create leaks, also as you addressed cause premature wear.....
 
Sorry of the confusion, I am running a 700R4 and a 208. I know it is a chain drive, the noise it is making sounds like gear meshing together. I am hoping someone else might have had this problem.
 
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