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Old 08-21-2010, 10:29 AM
Richard Vyse Richard Vyse is offline
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Default Rear Engine Seal....

If it isn't one thing it's another. It appears the CRITERION's rear main seal is leaking, and getting worse. While at Albany I noticed a small oil leak. While getting the oil changed last week I asked to guy to see where the oil may be coming from and he said the rear of the engine.
So the question is; "Just how much work is needed in order to change this seal or do I try an oil additive first?"

TKS
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Old 08-21-2010, 10:51 AM
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John ED Renstrom John ED Renstrom is offline
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first do the necessary things. is it the main seal or the pan gasket. or is it coming from the front of the transmission. if it's the Tanny it will be the red in color and maybe not so thick. most of our cars leak from there. but if it is the rear main then you should be by now getting a lot of oil blown back under neath. the spray engine cleaner works good. Gunk makes one. get it at the parts store whend you get those clips, use it. first clean everything up. then walk around the pan bolts and see how lose they are. you don't need to crank them down just snug them up. drive it some and keep a eye on it. how much oil did it use on your trip? if your oil use is not much and the mess it makes is not bad leave it alone. thats what they make drip pans for. the valve cover gasget leaking in back will make it look like a rear seal also. clean it up find the leak go from there.
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Old 08-21-2010, 11:44 AM
Joseph G Unrein Joseph G Unrein is offline
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Iíve been dealing with a rear main seal leak for a while. While I had the transmission out for rebuild this week I had them look at it. They said the engine would have still have to come out to replace the rear main. It makes more of a mess then anything else, so Iíll stick with the drip pan.

Your car may be different- this is what I just experienced.

Joe
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Old 08-21-2010, 12:10 PM
Danny Ryder Danny Ryder is offline
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They make some additive that will swell up the seal and get you by for a while. That is the route I would go or do nothing but put kitty litter under it.
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Old 08-21-2010, 05:29 PM
Richard Vyse Richard Vyse is offline
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It's leaking too badly to just let it drip so, it will go in the shop in a week or two for repairs. Thanks ya'll.
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Old 08-21-2010, 07:51 PM
Brendan Martin Brendan Martin is offline
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Richard, I feel your pain, I replaced my rear seal, oil pan gasket and several other gaskets, I have a transmission fluid leak and leaky radiator hoses. It never ends. These things spring leaks a lot! As do the new ones we use today. All the best. You are not alone. Invest in Speedy Dry. I did!
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Old 08-21-2010, 09:49 PM
Danny Ryder Danny Ryder is offline
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Quote:
Originally Posted by Richard Vyse View Post
It's leaking too badly to just let it drip so, it will go in the shop in a week or two for repairs. Thanks ya'll.
If taking to a shop I assume you are going to pull the tranny to get it fixed right? If so have them put front seal in tranny while out to save labor fee in the future from pulling again.
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Old 08-22-2010, 06:32 AM
Kevin O'Connell Kevin O'Connell is offline
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Quote:
Originally Posted by Joseph G Unrein View Post
Iíve been dealing with a rear main seal leak for a while. While I had the transmission out for rebuild this week I had them look at it. They said the engine would have still have to come out to replace the rear main.
Don't believe that, Joe. I've replaced a few '59 rear main seals without removing the engine. Had to jack the engine up to clear the oil pan but that's the worst part.
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Old 08-22-2010, 05:42 PM
Russ Austin Russ Austin is offline
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if its a 2 piece rear main seal, you can change it with the motor in the car. remove oil pan, remove rear main cap, change seal.
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Old 08-22-2010, 06:19 PM
Richard Vyse Richard Vyse is offline
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According to my mechanic, he has to drop the exhaust, get in through an access panel in the tranny area, drop the oil pan and then he can change the seal. It is a two piece seal. He doesn't seem too concerned saying it should be about $200.
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