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post #1 of (permalink) Old 02-04-2004, 10:55 PM
alvaro3jr
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strange oil leak

My friend has a 94 s-10 blazer 4x4 with a vortech 4.3. He has a strange oil leak. He got a replacement engine from a newer 2wd s-10. He switched the oil pans due to the different sumps from 2wd to 4wd.

He drives the vehicle and it is fine. When he shuts the engine off, it starts to drip. It looks like it is leaking in between the engine and transmission. It seems to be the oil pan gasket. The little inspection hole for the rear main is dry. Is their anything else that could be leaking back there? The oil runs down that inspection cover as soon as you shut off the engine.
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post #2 of (permalink) Old 02-05-2004, 03:19 AM
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Re: strange oil leak

Mine had one at the Oil Filter adapter, but it sprayed and dripped and made it look like it was coming from where you mentioned. I've had two do this, A 95 Tahoe with a 5.7 and my 97 Silverado with a 5.7
But maybe your's isn't...
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post #3 of (permalink) Old 02-05-2004, 08:46 AM
 
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Re: strange oil leak

i would second that. some of teh 4.3s are a bit goofy at the oil filter. some haeve the adapter that puts the filter up behind the drivers headlight and some dont. atanyrate, where that conects to the block there are often leaks
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post #4 of (permalink) Old 02-05-2004, 04:44 PM
alvaro3jr
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Re: strange oil leak

thanx for the input. tore the engine out today and this is what I found. The oil pan gasket has some small metal inserts. I dont' know if they are for extra strength or what, but they are there. On the very rear of the oil pan on the passengers side, one of the inserts was doubled up. I guess my friend left it on there by accident and it prevented the oil pan from sitting flush. Straightened out the oil pan and replaced the gasket. we'll be putting the engine back in tommorrow....we'll see if works.
post #5 of (permalink) Old 02-05-2004, 06:39 PM
 
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Re: strange oil leak

ytup, thats certainly one way to look at it...pull the damn thing out [img]images/graemlins/40BEER.gif[/img] i like it
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