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Bar's Rear Main Seal Leak Repair

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Buzzman72 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Buzzman72 Quote  Post ReplyReply Direct Link To This Post Posted: Aug/23/2014 at 11:56pm
Grand-dad was an old-school mechanic--not a parts-swapper--and he had a dim view of products he called "Mechanic-in-a-can."  When I would ask about this or that product, his response was ALWAYS, "Why don't you take the time to actually fix it right?"
Buzzman72...void where prohibited, your mileage may vary, objects in mirror may be closer than they appear, and alcohol may intensify any side effects.
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carnuck View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote carnuck Quote  Post ReplyReply Direct Link To This Post Posted: Aug/26/2014 at 12:53pm
First, I would make sure the PCV system isn't plugged up or capped off because the excess pressure in the crankcase forces the seals so tight that they burn out, causing leaks.
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dbomb View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dbomb Quote  Post ReplyReply Direct Link To This Post Posted: Aug/26/2014 at 1:00pm
good point carnuck those breathers on the oil tube get caked up bad
rebuiling 73 amx need parts
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Post Options Post Options   Thanks (0) Thanks(0)   Quote carnuck Quote  Post ReplyReply Direct Link To This Post Posted: Aug/26/2014 at 8:10pm
And people accidentally/intentionally lug them off too with aftermarket covers with no vents. Happened to my 454 I got. I had to pop a cover off and drill a hole just so I could add oil without squirting it down the dipstick tube!
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390spirit View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 390spirit Quote  Post ReplyReply Direct Link To This Post Posted: Aug/27/2014 at 6:27am
check the oil pan bolts...mine developed a small leak last year and I also thought it was the rear main, I crawled under there with a flash light and gave it a good inspection and the seal area was dry as a bone but I did notice a drop of oil hanging off the oil pan bolts in the back so I checked those and walah they were loose, tightened them up and no more leak!
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