Tkrysl
Member
- Joined
- Dec 13, 2017
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Recommendation on a dye product, please?
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Engine oil leak
- Thread starter Bigbertha78
- Start date
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corvette744
2004 Z-71
Cyclemoe
TYF Newbie
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Take a mirror and look at the valley cover at the rear on the drivers side. Mine is leaking a bit there on my 6.0 2500 burb, and I have a couple friends with the same issue
treehan77
TYF Fiend
Can you elaborate more about where/how to find a leak from this valley cover? Maybe a pic or illustration?
bottomline2000
Full Access Member
The center painted section is called a valley cover. You intake sits on top of it. Look at the rear of this cover. Also the same place where your oil pressure sits which is also known to leak. The white connector is plugged into the oil pressure sender. Don't confuse the 2 because an oil pressure sensor is a lot easier to replace than the valley cover.
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treehan77
TYF Fiend
The center painted section is called a valley cover. You intake sits on top of it. Look at the rear of this cover. Also the same place where your oil pressure sits which is also known to leak. The white connector is plugged into the oil pressure sender. Don't confuse the 2 because an oil pressure sensor is a lot easier to replace than the valley cover.
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Ok so to fix a valley cover leak, I would remove that painted section and replace a gasket or is it sealant
treehan77
TYF Fiend
Looks like if that’s my leak it’ll be leaking until I need to do knock sensors lol
bottomline2000
Full Access Member
It's a gasket. I used red RTV sealant to protect the knock sensors from water. Time will tell if it works. The only place sealant is required is the corners of the oil pan where the front and rear plates meet the block.
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adventurenali92
Full Access Member
Hey guys. Sorry to revive an old tread, but I read through and I have the exact same drops in the exact same place as the OP, on the bottom end of my 2006’s LQ4 6.0. I cant tell where it’s coming from exactly, but when I put my finger up on the oil pan and touch and smell the fluid, it neither looks nor smells like engine oil. I’m so confused! Any help would be appreciated! Should I be worried that it’s a rear main seal or the issue with the valley cover as mentioned above? I did think about the possibility of this fluid being brake or power steering fluid, but I don’t know how to tell if it’s either of those fluids that I’m seeing traveled all the way down there.
