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
-----Original Message-----
From: owner-dakota-truck@BUFFNET.NET
[mailto:owner-dakota-truck@BUFFNET.NET]On Behalf Of Mike Klinke
Sent: Sunday, May 21, 2000 10:23 AM
To: dakota-truck@buffnet.net
Subject: DML: Re: LSD Oil Change Questions
The common wisdom in the mechanical circles I've frequented say that if you
use a GL-5 synthetic, Mobil 1 for example, then the friction modifier isn't
necessary. I ran a LSD in a Dana 35c rear axle on my Jeep using only Mobil 1
and it worked just fine. Does the manual really say to use both?
The friction modifier is available at the dealers here locally in Dallas.
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 9:31 AM
Subject: DML: LSD Oil Change Questions
>HI all,
>I need to change the oil in my Dakota's rear axle. The manual calls for
>75W-90 Multipurpose GL-5 and Mopar Hypoid Gear Oil Additive Friction
>Modifier.
>
>My questions are... What is a good brand for the GL-5 and the Hypoid
>Friction Modifier? Also, what ratio should I mix them at?
>
>I was also surprised to find that the filler hole plug is just a rubber
plug
>and not a threaded hole. It is a 2000 Dak with the 4.7.
>
>
>Thanks for the help.
>
>Henry Hagemeier
>San Antonio
>
>
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