Rear Main Seal

West 1 · Feb 16, 2025

10 years ago I installed the Heavy Duty Tranny cooler. Made by Derale I believe, sold under the B&M tranny cooler line through Summit, design was identical to the factory cooler but is twice the size. That was 10 years ago, not sure they are still sold at Summit you would need to check. In 10 years this truck has only gone 30,000 miles but at least half of that was towing miles.

West 1 · Feb 20, 2025

Got the tranny and transfer case back in, I had pulled the front exhaust system, torsion bars, drivelines etc so going back together was still a lot of work. I ended up not pulling the intake manifold and just did the top bolts with a 3' extension and swivel sockets. The two top bolts and the brackets at the top took me about 2 full hours to get back in. Just no room and hard to get it all in properly. My Yukon has the dual battery option like police vehicles and the extra battery wire going to the starter added a lot of extra time. I bet I wasted 2 hours getting that all hooked back up also. All good now, NO LEAKS finally. Oil pressure is perfect.

I do have floor jacks, a transmission jack, bottle jack but no lift this was all done in my garage with the truck on jack stands. Glad it is back on the road without leaks.

S33k3r · Feb 22, 2025

West 1 said:
Got the tranny and transfer case back in, I had pulled the front exhaust system, torsion bars, drivelines etc so going back together was still a lot of work. I ended up not pulling the intake manifold and just did the top bolts with a 3' extension and swivel sockets. The two top bolts and the brackets at the top took me about 2 full hours to get back in. Just no room and hard to get it all in properly. My Yukon has the dual battery option like police vehicles and the extra battery wire going to the starter added a lot of extra time. I bet I wasted 2 hours getting that all hooked back up also. All good now, NO LEAKS finally. Oil pressure is perfect.

I do have floor jacks, a transmission jack, bottle jack but no lift this was all done in my garage with the truck on jack stands. Glad it is back on the road without leaks.

Just wanted to give you kudos for soloing this WITHOUT a lift. That, and ask you if you could come help with a few projects I have... :laughing1:

West 1 · Feb 22, 2025

HA, not signing up for any more projects like this. Still upset about how long it takes to hoist the tranny into place using a tranny jack, in the old days we just bench pressed them up into place and got it in place in a few minutes. Those days are behind me so the new methods are much slower. But it is done.

S33k3r · Feb 22, 2025

West 1 said:
HA, not signing up for any more projects like this. Still upset about how long it takes to hoist the tranny into place using a tranny jack, in the old days we just bench pressed them up into place and got it in place in a few minutes. Those days are behind me so the new methods are much slower. But it is done.

Such is the price for living a long life; or a short time, overly enjoying your life...

Rear Main Seal

West 1

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West 1

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S33k3r

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West 1

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S33k3r

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