I usually pull the cover from the diff. It's more of a pain the rear but
it'll give you a chance to inspect the diff to see if there are any metal
shavings or loose bolts or whatever else might surprise you that shouldn't
be there.
If your manual says to use both, which it seems to do, then I'd let that go
a long way toward making your decision about using the friction modifier.
Especially if you do any towing. In the off-road world, where I saw the most
use of my LSD, it's usually advantageous to have the LSD working harder than
normal to achieve the best traction and my be a part of the "common wisdom"
from the mechanics I'm used to dealing with.
Regards, Mike Klinke
-----Original Message-----
From: Henry Hagemeier <jhhagemeier@Msn.com>
To: dakota-truck@buffnet.net <dakota-truck@buffnet.net>
Date: Sunday, May 21, 2000 12:26 PM
Subject: DML: RE: Re: LSD Oil Change Questions
>I think I am reading this right. That the modifier should be added to the
>lube. Here is the quote from the DAK 2000 manual.
>
>Rear Axle
>Limited-slip differentials require the use of a friction control additive.
>Mopar Hypoid Gear Oil Additive Friction Modifier is a material of this type
>and is recommended. This should be added to the gear lubricant whenever a
>fluid change is made.
>
>
>So I take it that the fluid Mopar sells should be added to the GL-5 lube?
>However, if the Mobil 1 does the job without the Mopar Hypoid Gear Oil
>Additive Friction Modifier, that would be great. So I guess I just take
out
>the rubber plug on the differential and use a suction gun to empty the
>differential then pour in the Mobil 1?
>
>Thanks,
>Henry Hagemeier
>San Antonio
>
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