MCV Help

TWL · Jun 17, 2018

I have gone through the mcv valve. New pump,o-rings etc. I have the Blue ribbon service manual and IT manual. Measured the replacement gasket for correct thickness ready to reinstall. I made studs to help slide mcv into location. My problem is I cannot see what o-ring or o-rings are necessary between mcv and transmission housing. I have looked at the service manual several times but just can't get it. when I removed it there was one near lower left about 1" and 2 near the top at near 1/4. Could anyone give me some advice on how many there are? I do have the small spring for the steering check valve in the right location. Any help would be greatly appreciated.

caterpillar guy · Jun 19, 2018

Model will help lots.

TWL · Jun 19, 2018

1086 I was old they all were the same with the ta. Still needing the answer, anybody know?

Owen Aaland · Jun 25, 2018

Should be just one near the bottom. Be sure to use the correct one. Too soft of material in the O-ring will result in it blowing out since it is subject to steering pressure.

MCV Help

TWL

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caterpillar guy

Well-known Member

TWL

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Owen Aaland

Well-known Member

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