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2000 Silverado Drive Train Fluid Change

00 SILVERADO

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00 SILVERADO Enthusiast

00 SILVERADO

Posted
Posted

Hey all! I'm new to this board, have been lurking around lately and you all seem to know a lot about trucks. So... Maybe you can help me. I have a 2000 Silverado 1500 with 5 speed manual 4x4. I am needing to change the fluids in the front and rear hubs as well as the transfer case. Do you know what type of oil I need to replace it with and the capacity? Thanks again

svensk Senior Enthusiast

svensk

Posted
Posted

Yes sir. You can use some synthetic gear oil like amsoil or mobile 1 75-90 something similar in the differentials. However the transfer case if you have the push button 4wd you need to pick up a couple quarts of GM autotrac fluid. Don't use anything else in there.

MS3DALE Senior Enthusiast

MS3DALE

Posted
Posted

You should have the New Venture Gear 261 manual transfer case (RPO code NP2) since you have a manual transmission...

 

Transfer case fluid-Manual transmission fluid GM part number-88861800 Qty-2.0 quarts

Front axle-80W90 GL5 Axle fluid GM part number-89021671 Qty-2.0 quarts

Rear axle-75W90 Synthetic Axle fluid GM part number-89021677 Qty-2.1 quarts

00 SILVERADO Enthusiast

00 SILVERADO

Posted
  • Author
Posted

thanks a lot. You have been very helpfull.

 

I didn't mention it has the 4.3L engine, does that make a difference?

 

I drove through high water due to the recent floodings and just wanted to change all the fluids.

MS3DALE Senior Enthusiast

MS3DALE

Posted
Posted

Nope,The 4.3 makes no difference.

Your doing the right thing changing all the fluids after driving through deep/high water.

00 SILVERADO Enthusiast

00 SILVERADO

Posted
  • Author
Posted

ok,

 

The friont should have a drain right? as well as the tcase? and I need to remove the cover on the rear?

 

I know I saw a topic about this but I cant find it. I hate to keep asking the same questions over and over. Thanks again!

MS3DALE Senior Enthusiast

MS3DALE

Posted
Posted

Actually yours should also have a drain plug for the rear-end (The 1/2-tons had them from '99-to '03)

Its on the very bottom of the "pumpkin" it might be covered with mud/dirt/"crap" but it should be there. (Its a 3/8" square hole,not a regular "hex" type plug)

And yes,The front axle and T-case both have drain plugs.

MS3DALE Senior Enthusiast

MS3DALE

Posted
Posted

Not unless the seals leaking I wouldn't change it,Just drain and fill,Thats all I do to mine.

rjirvine Enthusiast

rjirvine

Posted
Posted

Before you drain the rear make sure you can get the fill plug out. I would get a new one at the autoparts store while you're there. It comes six sided vs cheezy 3/8 square stock one. A gm brake tool (big allen wrench) fits perfectly. If yours has a magnet on the rear cover, be careful cleaning it with brake fluid etc. because you can release the glue that holds it on (ask me how I know).

rjirvine Enthusiast

rjirvine

Posted
Posted

Ooops, forgot to add, as far as the transfer case make sure you get some permatex or similar to put on the threads of both the drain and fill plug. If you clean them up really nice with a brass brush and put them back in without it, they will leak (again ask me how I know). If you get a long tube, it makes filling the front diff easier (turn the wheel all the way to the left too, that will help gain access)

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