I have replaced what is called oil hose a few times. Blazer seems to be leaking oil again. What are these oil hoses? Why do they leak. Mechanic said you can't tighten them you have to replace, because of the way they are made. Cost me about $200 to replace them every time. 1997 4X4 Blazer
Oil cooler lines that lead to your radiator or to a cooler mounted in front of radiator.The hoses are quick couplers with o-rings so there is no way to tighten. I don't know why they would leek so often but they usualy go bad where the rubber line gets crimped to the steel line.Not sure if you can get a different oil filter block without the oil cooler line hook ups.This way you can eliminate the cooler lines,or remove the quick couplers at both ends of where your cooler lines hook up and just run hydraulic hoses in place of your coller lines.Where i live you can get hydraulic hoses made at hundreds of places but may not be so redily avalible where you are.
Does my 1997 blazer have a oil cooler in the radiator or outside the radiator ? how can you tell?
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