type of oil quick question

Reply Subscribe

Thread Tools

Search this Thread

Oct 21, 2010 | 04:57 PM

phoenix901223

Thread Starter

Seasoned Member

Joined: May 2010

Posts: 406

Likes: 0

From: Suffolk long island

Year: 1994

Model: Cherokee

Engine: 4.0 L I6

type of oil quick question

Looking to clean out rear diff, what kinda gear oil does it call for, sorry i dont have an owners Manuel and googles not helping me right now, id rather ask the pros anyway

And any recommendations on the silicone sealant? whats good whats not..

Oct 21, 2010 | 05:32 PM

Bustedback

CF Veteran

Joined: Feb 2010

Posts: 12,367

Likes: 23

From: Oroville, CA

Year: 1995

Model: Grand Cherokee

Engine: 4.0 with all of the noise and clatter

80-90wt oil, and if you have a LSD you need the stinky additive too.

Oct 21, 2010 | 06:39 PM

djb383

CF Veteran

Joined: Nov 2009

Posts: 8,172

Likes: 17

From: The Republic of TEXAS

Year: 1998

Model: Cherokee

Engine: 4.0L HO

IF u have a LSD and IF it's noisy/chatters in a turn, add the additive. If it's quiet, don't.

Oct 22, 2010 | 08:21 AM

phoenix901223

Thread Starter

Seasoned Member

Joined: May 2010

Posts: 406

Likes: 0

From: Suffolk long island

Year: 1994

Model: Cherokee

Engine: 4.0 L I6

How do i know if i have an LSD Diff? And it makes the kind of noise that sounds similar to air in the radiator, that crunchry bubbly grinding noise. I have a feeling it might be my bearings, but i figured i might as well change the oil in the diff anyway as maintenance im sure my PO didnt..

Oct 22, 2010 | 08:25 AM

Littlethunder92

Seasoned Member

Joined: Oct 2010

Posts: 379

Likes: 2

From: Jersey

Year: 1994

Model: Cherokee

Engine: 4.0

Use the lucas diff oil its safe for both lsd and non. As far as cover sealant,permatex makes a gear cover rtv,its in a gray tube and it is gray in color