Chevy GMC Cadillac rear differential fluid change

Rear axle differential fluid in full size truck/SUV like Chevrolet Suburban, Tahoe, Silverado; GMC Yukon, Sierra; Cadillac Escalade.
I prefer to use a gasket instead of RTV, but you can use either.
Shown in the video is a 2013 Chevrolet Silverado 1500 Texas Edition 2WD, but all should be similar (just check to make sure your gasket is same as mine)
gasket: amzn.to/3sWmBFl
RTV: amzn.to/3sYRfxI
differential oil: amzn.to/3Gtivrn
torque wrench: amzn.to/3N9sSEk
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[@bruceross2151]

Had a 99 police interceptor. The differential was making a hum. Got worse. I pumped the old oil out of it. Put in the cheapest stuff I could find. Drove that around a few blocks a couple of times. Same hum. Pumped it out, then put in synthetic with the friction modifier already added. Hum went away and it drove a couple of years until a 20 year old pulled out in front of a big plumbing truck. Took off the entire front end. A few more feet and that truck would have hit the drivers side door at 50 plus mph. My son looks real good now after that experience.

[@WJHandyDad]

sorry you got hit, glad it wasn't worse. Vics are like tanks. I'm convinced with just routine maintenance they'll outlive us all

[@antoniomarc7174]

Just what I need to to on my 2004 Dodge Ram 1500 but just keep putting it off because I don’t feel like doing it oh and that gear oil smells pretty bad…👍👍 Great job.

[@WJHandyDad]

It's still not as bad as transmission fluid and filter! LOL

[@Ulford]

Hi Handy Dad. I love your videos since I am a P71 freak. Quick question, I was always told to use a plastic scraper for this kind of job. The idea is that the metal ones can make scores that the gasket won't seal. What is your take on that?

[@WJHandyDad]

plastic is certainly the safest. Knock on wood, I've had that exact gasket scraper for 20+ years and not done any damage that I know of