Breaking Loose Transmission Pan Mounting Bolts

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Removing Transmission Drain Pan....5

You have to break loose bolts to free the transmission pan. Learn how to break free bolts on the transmission oil pan when changing transmission fluid in this free auto maintenance video from a car repair professional.

Part of the Video Series: How to Change Transmission Fluid
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Video Transcript

In this step, we're going to talk about the proper service procedure for locating your transmission pan mounting bolts and breaking them loose prior to pan removal. I'm going to hop on my creeper here and roll underneath the vehicle. Alright, once I've slid underneath the vehicle and located my transmission pan bolts, I'm going to go ahead and break them all loose. You're only going to want to put a couple turns on them taking them out. Don't take them all the way out. There's nothing holding the transmission pan to the bottom of the trans except these mounting bolts and the gasket. Now the gasket is pretty sticky and will hold the pan on there most of the time. If you're to take all of the bolts out all the way, the pan may drop in your face covering you with hot transmission fluid. You're going to want to avoid that. What I'm going to do is break them all loose, slide my drain pan underneath the transmission and thump on the trans pan from a distance with a rubber mallet to break that free. Now most transmission pans do not have a drain plug in them. All of that fluid is trapped in the depth of the pan. So you're going to want to get your drain pan as close as possible to the trans pan before thumping it with your hammer. You're going to continue on in the procedure of taking these bolts out all the way around. And that is the proper way to break loose your transmission pan mounting bolts.


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