Did I mess up?
Thread Starter
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Junior User
Joined: Sep 2009
Posts: 57
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I installed the correct fluid and modifier.
But, there was some silver tint in the old fluid.
The bottom of the housing had some fluid laying
in there that I looked close at and it looked like
some wear had occured.
Could the wrong fluid have caused this? I ran the
truck maybe 500 miles with the 90 wt.
The gears looked fine. But the color of the old/wrong
fluid worried me.
Thanks again
Gary
But, there was some silver tint in the old fluid.
The bottom of the housing had some fluid laying
in there that I looked close at and it looked like
some wear had occured.
Could the wrong fluid have caused this? I ran the
truck maybe 500 miles with the 90 wt.
The gears looked fine. But the color of the old/wrong
fluid worried me.
Thanks again
Gary
Senior User
Joined: Feb 2010
Posts: 104
Likes: 0
From: West Coast
If you were doing normal every day driving (not towing heavy), you should be fine.
A slight "silver" colouration is normal "wear and tear" with some mileage on your truck !
A slight "silver" colouration is normal "wear and tear" with some mileage on your truck !
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Senior User
Joined: Apr 2005
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From: Anchorage, Alaska
If you've never had the diff thoroughly cleaned out (as in entire diff, axle, and bearing replacement, there is and will always be a little metal particles in the fluid. That stuff is so hard to get rid of, and therefore should not be rid of as it is normal and does not have any adverse effects on the rear differential or its bearings.
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Front axle doesn't take friction modifier since there is no LS, but it won't hurt to have it in if you already added it to the 80w-90. The rear axle may or may not need modifier depending on what fluid you use and the condition of your clutches. Start with none, add 1/2 bottle at a time if you notice it grabbing in corners. Each time you add, give it 10-20 miles to work in or go drive figure eights in a big parking lot.
Thread Starter
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Junior User
Joined: Sep 2009
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Thanks for the responses.
I'll probably drive it 500-1000 miles and pull the
diff cover again to see if the fluid is cleaner. I am
probably being overly cautious but its easy to do and
then...hopefully...I won't have to worry about again for a while.
I'll probably drive it 500-1000 miles and pull the
diff cover again to see if the fluid is cleaner. I am
probably being overly cautious but its easy to do and
then...hopefully...I won't have to worry about again for a while.