i have a3.9 diff

Post by **dwenger** » Sun Sep 23, 2012 6:15 pm

hi i have a 3.9 diff can any boby tell me how to quieten down a diff it is a bit noisy in my morris minor can i put a thick oil in the diff thanks

Post by **mike.perry** » Sun Sep 23, 2012 8:40 pm

Turn the radio up

I have a 3.9 diff as well

Post by **JOWETTJAVELIN** » Mon Sep 24, 2012 7:34 pm

Mix sawdust with the oil.

Post by **ampwhu** » Mon Sep 24, 2012 7:36 pm

JOWETTJAVELIN wrote:Mix sawdust with the oil.

Post by **JOWETTJAVELIN** » Mon Sep 24, 2012 7:40 pm

A common trick back in the day... just make sure you mention it to the next owner...

Post by **les** » Mon Sep 24, 2012 10:02 pm

---from softwood, preferably yellow pine. Level teaspoon per pint.

Post by **bmcecosse** » Mon Sep 24, 2012 11:16 pm

Banana skins are supposed to work well...........
Seriously - no thick oil. If it's really noisy then you will need to adjust the mesh of the pinion to the crownwheel. Detailed explanation in the Workshop Manual. But first - check if the pinion nut is TIGHT.

Post by **JOWETTJAVELIN** » Mon Sep 24, 2012 11:48 pm

As Mike suggests it's no big deal, they can run for years with a whining back axle. But sawdust if you really are desperate.

Morris Minor Owners Club

i have a3.9 diff

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