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Mod | | | Forums66 Topics128,049 Posts1,055,741 Members48,426 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | Joined: Oct 2013 Posts: 137 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2013 Posts: 137 | I am getting an oil leak from the dust cover hole, and suspicion it's the rear main seal. It's a 69 350 v8. Can you replace the seal by removing the oil pan or do you have to pull the engine? | | | | | Joined: Feb 2001 Posts: 1,094 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 1,094 | You can remove the pan and change the seal.
Tommy
59 apache 1/2t
261 short stepside
| | | | | Joined: Oct 2013 Posts: 137 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2013 Posts: 137 | Thanks. Can you remove the oil pan without having to do more than remove the flywheel cover and then unbolt the pan? I've seen some where you had to loosen the motor mounts and jack up the engine a little? | | | | | Joined: Feb 2001 Posts: 1,094 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 1,094 | Just depends on the frame, some the frame is not in the way, some it is.
Tommy
59 apache 1/2t
261 short stepside
| | | | | Joined: Oct 2013 Posts: 137 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2013 Posts: 137 | Does it take special tools to replace rear engine seal in this 350? A little detail on what to expect and bow to do it will be greatly appreciated. | | | | | Joined: Feb 2001 Posts: 1,094 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 1,094 | Pull the pan, take the oil pump off and remove the rear main cap .
Change the seal and replace the parts you removed. Now you are finished.
Tommy
59 apache 1/2t
261 short stepside
| | | | | Joined: Jan 2008 Posts: 140 Shop Shark | | Shop Shark Joined: Jan 2008 Posts: 140 | Some people don't realize that if you rotate the crankshaft so the counterweights are up in the front the pan will slide right out. That's why most say you have to jack the motor up. I've never encountered an oil pan in a truck that wouldn't come out easily. Some cars are a different story. | | | | | Joined: Apr 2013 Posts: 144 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2013 Posts: 144 | Yep, just like txturbo said, I did a Buick Lesabre with engine in place by turning the crank to remove pan. Not too bad at all really. | | |
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