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How to Change Rear Differential Fluid

Changing diff lube yourself is easy
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This is just a friendly reminder that the "How To" forum is not a place to ask questions or ask for help. What this means is it's not the place to request a "How To". This forum is meant only for members who wish to post the specific steps to complete a project or modification of some sort. All posts in here are put up for all to read and gain information on how to do something to their silverado or sierra. Please only post in this section if you have directions on how to do a modification, complete a task, or steps to take to resolve a problem. Thanks!

Re: How to Change Rear Differential Fluid

Postby Copperhead » Mar 19 2017, 5:39am

It is even faster and easier on a 2500. The rear diff has both drain and fill plugs, even on the gasser 2500's. No need to fiddle with the cover. I can have all three done in a little over an hour. I do all of them at the same time.

For the traditional method, I am firmly in the LubeLocker gasket camp. Yes, they go on dry. No RTV, no sealer. And they are reusable. I have reused LubeLocker gaskets up to 3 times. Just make sure you put it back on exactly in the position it was before.
Freedom is not having the choice to do what you want, but the choice to do what you ought.
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Re: How to Change Rear Differential Fluid

Postby johnelectric68 » Mar 19 2017, 5:51am

Thanks, I have a 2007 Silverado LT 1500 crew cab 5.3 eng new body style, I think I'm going to take the rear cover off anyway to really clean out good with my hands, I won't spray any type of cleaner in there, I might have to replace the gasket, looks like a very small leak
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Re: How to Change Rear Differential Fluid

Postby johnelectric68 » Mar 19 2017, 5:52am

4x4
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Re: How to Change Rear Differential Fluid

Postby Waltheraustin » Mar 20 2017, 3:56pm

johnelectric68 wrote:Thanks, dealer want $548 plus tax just to change all three


Geez... that's so freaking expensive! If there were more DIYers out there they would be forced to lower prices. No demand and less busy would force more competitive prices. $548?!? That's just crazy!


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