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5.7 GSi - Oil in Bilge
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Author:  LouC [ Fri Aug 10, 2018 7:19 am ]
Post subject:  Re: Oil in Bilge + Water Pump Leak - 5.7 GSi

Do you have a remote oil filter mount? I’d so check all the lines and the mount itself since those gaskets can leak.
Next get a bright LED flashlight and a mirror to check your oil pan. Sometimes it is as simple as the bolt for the dipstick tube needing to be tightened. But oil pans can rust thru if they were never sprayed with a rust inhibitor. Look for blistering rust on the pan. If you find this you may need to pull the engine and replace the pan.

Author:  LouC [ Fri Aug 10, 2018 7:22 am ]
Post subject:  Re: Oil in Bilge + Water Pump Leak - 5.7 GSi

Also if the pump bearing leaks it’s time for a new one. This is the front circulating pump not the raw water impeller? If so just pick up a Sierra Marine pump they are about $100 and are easy to install. Just like any other Chevy small block.
My engine is on it’s 3rd one.....
Just don’t use an automotive pump it will not last...

Author:  LouC [ Wed Aug 29, 2018 6:14 am ]
Post subject:  Re: 5.7 GSi - Oil in Bilge

Yes fairly common and the front seal for the crank can leak as well

Author:  LouC [ Thu Aug 30, 2018 2:20 pm ]
Post subject:  Re: 5.7 GSi - Oil in Bilge

It depends, if it’s only from the timing chain cover probably not but if from the side of the oil pan gasket
You might have to lift the engine.

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