Rear Diff Drain Plug

[gmcsierra01]

So this weekend I changed out my rear differential on my 01 Gmc Sierra. Followed the direction on the write up, remove fill plug, then drain plug, then the cover, clean magnet and scrape off old gasket, put in a new cover gasket then tighten fill and drain plug to spec and last refill with about 2 1/2 quart. So, I did all that and when I checked under the truck a day later it seem to be leaking a little from the drain plug am I missing something? I've searched and read 6 pages and found nothing about replacing the drain plug when changing the rear diff oil.

[pm26]

Read the first sentence in your post.

 

It does not hurt to put a small amount of RTV sealant on the drain plug threads before replacing the plug.

[gmcsierra01]

Read the first sentence in your post.

 

It does not hurt to put a small amount of RTV sealant on the drain plug threads before replacing the plug.

 

gotcha, thought in the write up it says to use some rtv on the gasket and diff cover. Thanks will try this

[Harvey Halabookie]

Teflon tape or a dab of pipe thread sealant with teflon in it.

[az'03Silverado]

Maybe that's why they did away with the drain plug in '03. I wish I had one though. I hate cracking that seal with the diff full of fluid.