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Old 02-02-2006, 04:07 PM   #4
67ChevyRedneck
Hittin E-Z Street on Mud Tires
 
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Join Date: Nov 2004
Location: Greenville, SC
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Re: 12 bolt gasket replacement

Quote:
Originally Posted by 68/72parts
I would recommend using a good quality silicone RTV instead of the gasket. It will seal better and not leak in the long run if applied properly. As for amount of fluid you pull out the check plug, hopefully you did this already? and fill the diff until fluid just starts to come out of the hole, make sure the truck is reasonably level first. 80-90w will work fine or a good synthetic would be my choice. When you apply the silicone you dont need much just a nice 1/4inch thick bead all the way around. make sure to kleen off the excess before it dries.

I agree, I just did this last weekend. And yes, if you have a limited slip rear, you do need the special "limited slip, or Positraction" rearend gear oil. If I remember right I bought two of the smaller bottles of fluid and it was enough, I think they were 1 quart bottles??? Memory sucks.
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