Will any 6mm washer work for transmission check valve

[Mawfuqqa]

Title.

Or
- Drain it on ramps
- Lower back down on flat ground to maximize drain
- jack up to install drain plug
- fill 2.3qt and done.

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[cryptolime]

i didn't replace the washer. it hardly gets much torque anyways.

 

[ModJPB]

Do you mean the upper fluid level check bolt?

For short term/temporary use, Yes.
For long term, No.

The washer has to be corrosion resistant to outside elements (oxidation) and cvt fluid, soft enough to deflect and seal, and a compatible metal with the aluminum trans housing and steel bolt (galvanic corrosion). I'm thinking an aluminum washer would work.

Why not reuse the original or go to the dealer?

 

[Mawfuqqa]

I found it uses 9ftlb. I'll likely reuse it.
I have a bunch of 6mm washers of unknown metallurgy at work (likely aluminum)
I usually have no reason to go to the dealer

 

[AZCWTypeR]

It needs to be an aluminum crush washer. I normally reuse the sight port washer, but I always replace the drain plug washer. There's no fluid pressure at the sight port, unless you park nose down in a very hilly neighborhood.

 

[Mawfuqqa]

Definitely for crush washers

I'm going with redline mtl and a pack of crush washers for drain/fill
Will reuse check/sight port washer

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