January 20, 201412 yr I have an '87 1/2 Gl Turbo and after I took the intake off I noticed some dirty looking oil that appears to be coming from either the turbos intake side or maybe the small hose on intake right before the turbo Its not losing any noticeable amount of oil or coolant Can seals or bearings be replaced by disassembling turbo?
January 21, 201412 yr Some slight opil residue could be considered normal. Likely the intiake is ingesting oil from the PCV valve. Consider replacing the PCV valve
January 22, 201412 yr The breather tube from the top of the right side camtower cover, draws oily air into the intake air stream before that air goes through the turbo. The breather tube from the left side camtower cover, goes through the pcv valve, and is drawn into the intake air after that air goes through the turbo. If you have a compressed air leak in your intake system after the turbo, your engine will fall flat on it's face. I have the same oil in the intake that you have, and it has no oil leak. Edited January 22, 201412 yr by scoobiedubie
January 23, 201412 yr The turbos are 'non serviceable', they say. I've never taken one of these apart myself, but I would imagine with the proper tools, seals could be changed. You would have to have them matched up by someplace like Kaman industrial or some such supplier.
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