Reason for blowing the rear main seal?
#3
Re: Reason for blowing the rear main seal?
positive crankcase pressure can do it, and some other ideas are old seals, high revs like into the 8000s, and a damage crankshaft damper.
it would cause extra vibes that will ware out parts.
it would cause extra vibes that will ware out parts.
#5
Re: Reason for blowing the rear main seal?
Definately dried out after 3 years of sitting. If i remember right, those are usually viton seals, which dry out very quickly and will rot if not kept properly lubed. Have fun changing that one buddy
#7
Re: Reason for blowing the rear main seal?
Might not be rear main - look very closely. I had crankcase pressure blow out the oil pan seal just below the rear main - I ended up dropping the transmission for absolutely no reason whatsoever.
Tip: Using rubber hose, even the oil-resistant OEM breather hose or fuel line, is highly prone to blockage. Just run the little $15 riceboy PCV filter sold at Autozone in the riceboy isle and be happy. All my excess crankcase pressures have been caused by the stupid little valvecover vent + me not wanting to 1) install a proper catchcan or 2) put a goofy riceboy PCV filter on the engine.
Tip: Using rubber hose, even the oil-resistant OEM breather hose or fuel line, is highly prone to blockage. Just run the little $15 riceboy PCV filter sold at Autozone in the riceboy isle and be happy. All my excess crankcase pressures have been caused by the stupid little valvecover vent + me not wanting to 1) install a proper catchcan or 2) put a goofy riceboy PCV filter on the engine.
#8
Re: Reason for blowing the rear main seal?
Rear main is replaced. I might do the oil pan gasket tomorrow just for good measure before I put oil in it. I've already got a breather on the valve cover, but now I'm going for the catch can soon.
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jayycobb
Forced Induction
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04-10-2004 04:53 PM