How to Change Rear Differential Gasket

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How to Reinstall Rear Differential Cover....5

DIY car repair. Learn how to apply your gasket or rtv to change rear differential fluid in this free car repair video from an expert auto mechanic.

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Video Transcript

In this clip, we're going to talk about the proper way to change your oil in your rear differential. In this step, we're going to talk about the proper service procedure for applying our gasket to our differential cover. As you can see, there is a track around here that I exposed while cleaning the surface. That's where your sealant compound is gong to go. If there's not a track, your going to want to run your sealant compound in the same way. As you can see, in the center of the bolts, and up over the top of them. You're going to want to run it all the way around and be liberal with the use of this. You really can't use to much of it, but it is possible to use too little. Use the spike on the end of the tube and jab a hole inside there, and there you go. This stuff is called RTV, or Room Temperature Valkanet. It'll turn into a rubber of sorts after approximately an hour of curing time. In twenty four hours it will be cured one hundred percent. You can drive it after about an hour. Once you have it ran all the way around. Go ahead and put your cap back on your RTV. I'm going to set this off to the side. Take your finger and in a circular motion, you're going to work that sealing compound into the track and spread it out. The reason why you perform this step is there's possible that there's air bubbles inside your RTV that you don't see. Doing this, spreads it out and gives it a little bit more of a sealing surface and will work those air bubbles out of your gasket. Alright, that's the proper service procedure for installing your new RTV hand made gasket.

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