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Doctor Olds
I Need A Remedy For What's Ailing Me.
Premium Member
join:2001-04-19
1970 442 W30

Doctor Olds to paintref

Premium Member

to paintref

Re: [Help] Change oil in rear diff or leave alone?

Change it all. Front diff, transfer case and rear diff.

shdesigns
Powered By Infinite Improbabilty Drive
Premium Member
join:2000-12-01
Stone Mountain, GA
(Software) pfSense
ARRIS SB6121

shdesigns

Premium Member

said by Doctor Olds:

Change it all. Front diff, transfer case and rear diff.

..and transmission fluid.

BTW, I did my rear diff on my Cherokee. 220k miles and oil did not look bad. I used synthetic blend, did not want to spend the $$ on the synthetic.
mob (banned)
On the next level..
join:2000-10-07
San Jose, CA

mob (banned)

Member

said by shdesigns:

said by Doctor Olds:

Change it all. Front diff, transfer case and rear diff.

..and transmission fluid.

Also check the seals for leaks, or places water can enter the system if you were to go off road.