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Old 02-09-2012, 12:38 AM
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Default LS1 Leak

I have an oil leak somewhere by the valley cover/oil pump cover. Im not sure what it is. I want to get rid of all my oil leaks. I have some pics of the oily engine. Any suggestions at what it can be? Thanks
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Last edited by camaro1999ss818; 02-09-2012 at 12:53 AM.
Old 02-09-2012, 01:05 AM
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Doesn't look bad.....almost looks like dirt and grime.....but I'm sure if you say its oil, it is.

I would hammer the entire area with a good degreaser and get it shiny clean everywhere. Then drive it for awhile and see if you can better locate the source of the leak.

If you can find Formula 88....that stuff is amazing. Cold engine, it'll shine. Home Depot has it here.


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Old 02-09-2012, 01:06 AM
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Can it be coolant? It doesnt look like coolant but my oil never goes down, but my coolant does...
Old 02-09-2012, 07:11 AM
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My bet is a coolant leak, like stated above clean it up really good and drive it for a bit, then re inspect
Old 02-09-2012, 07:25 PM
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Are those coolant lines that go under the throttle body?
Old 02-09-2012, 08:06 PM
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Yes.......coolant lines coming from the headers and they meet at that rubber hose, then go over to the radiator right under the filler neck.

I would clean everything. Then tighten down those coolant line bolts on the heads and maybe even snug down the valley cover bolts...can't hurt. Also, change that factory clamp on that rubber hose for a screw type clamp.


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Old 02-09-2012, 08:23 PM
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simple pressurize the cooling system with a pressure tester and watch or for oil add a dye
Old 02-10-2012, 01:54 PM
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Thanks a lot guys. I will clean it up and tighten the bolts and keep you guys updated!
Old 02-10-2012, 02:45 PM
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Originally Posted by camaro1999ss818
Thanks a lot guys. I will clean it up and tighten the bolts and keep you guys updated!
And change that clamp.......

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