454 Leaking lots of oil ?'s - The 1947 - Present Chevrolet & GMC Truck Message Board Network

*low&slow* · 12-25-2011, 05:48 PM

Got a 454 in my '69 c10. Put the truck on my cement working pad last night. Went out there this morning to notice a puddle of oil under the truck and a flat tire. Looked under there and it seems to be leaking from the rear main seal. That's where the oil is coming from so that's what I'm assuming.
How do I go about fixing that without pulling the motor?
I know I have to drain the oil and pull the pan, but what else do I have to do fix it?
Step by step instructions would help greatly. Thanks guys and Merry Christmas.

12-25-2011, 05:48 PM	#1
low&slow Account Suspended Join Date: Jan 2009 Location: Kuna, Idaho Posts: 1,046	454 Leaking lots of oil ?'s Got a 454 in my '69 c10. Put the truck on my cement working pad last night. Went out there this morning to notice a puddle of oil under the truck and a flat tire. Looked under there and it seems to be leaking from the rear main seal. That's where the oil is coming from so that's what I'm assuming. How do I go about fixing that without pulling the motor? I know I have to drain the oil and pull the pan, but what else do I have to do fix it? Step by step instructions would help greatly. Thanks guys and Merry Christmas.

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