Question about 2001 Chevrolet Silverado 2500HD
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Posted on Jan 02, 2017
SOURCE: oil cooler lines leaking
Inspect where the oil is leaking from the oil cooler line, it's common for the oil to leak from the remote oil cooler line adapter bolt on the engine block. You can remove the two bolts one at a time and place a oil drain plug washer with some RTV silicon to ensure that it will not leak.
The other common place for the oil line to leak is from where the rubber lines mate to the aluminum line from the remote oil filter line adapter. This is also a simple fix but you're going to need a drumlin tool cut off the old compression clamp that was press fit. Cut off the old compression fitting ring, use cation that you only cut off the ring and replace it with a new compression clamp. Make sure you use compression clamps and not a hose clamp.
This is the best way to fix the oil leak from the adapter line to the rubber hose line, to replace the whole line with the new adapter is expensive and i believe your have to disconnect the engine mount to raise the engine to clear enough room to install the new line along the frame.
Good luck and don't use any engine oil stop leak, it will damage your oil pressure relieve valve and that's one extra thing you don't need to replace.
Posted on Feb 15, 2010
If it's the oil lines form the back of the engine on the driver's side, your going to have to unbolt the engine mounts on the driver's side and lift the engine a little to remove the oil lines which runs between the engine and frame. Start with checking the bolt's that hold the oil lines to the engine, there common to leak and there is an easy fix for that. Buy a oil plug ring gasket and use that between the bolt the remote oil filter line mount's. Your going to need two of them, I used the copper gasket and some Silicon to repair mine. Good luck and hope this is where the leak is coming from, oh and a little lock tight is a good thing to use here too. Keep me posted and let me know after you clean the area up with Brake Parts Cleaner to determine where the leak is coming from.
Posted on Sep 22, 2009
Hi there, your in the right track about your guesses, better start small. Start with the oil cooler. I not very familiar with the monte carlo but if it has 2 coolant hoses one for input and the other one is output. Change your oil , then remove the two hoses from the oil cooler and plug-off the hoses temporarily( I use a rounded wood). You must secure the hoses to avoid leaking or bursting that why I use wood to plug the hoses(tight fit) then secure them with hose clamps. Next is to start the engine and wait until it warms up and let it run for a while. Well if find no coolant in your oil then surely your oil cooler is at fault.
But then again, I don't know the leak rate of your coolant in your engine. If you tried removing the radiator cap and run the car a while and theres no coolant leaking then we are talking about a small fissure, but if your coolant still leaks in then its a big crack.
Hope this helps.
Posted on Sep 29, 2009
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