turbo 402 leaking oil around bell housing
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turbo 402 leaking oil around bell housing
This is a c5 with a ls2 402 and a single 76mm turbo. I drove the car about 6k on motor and have had the turbo on for a few weeks now. I am getting oil on my pan and a drip on the bottom of the bell housing. I cleaned it and have let the car sit and there does not seem to be any oil accumulating. I have cheked the oil pressure and sending units and they are dry. I am thinking it is either leaking when hot or under boost. I have 2 breathers and am pulling vacuum from the tb and the intake on the turbo with check valves installed. When I get home from work today I will post some pics I took.
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It does have a line there is a spacer that goes between the oil press and the filter thats where the line tee's into. there does not seem to be any oil in that area though. I may move the line to the side of the block like when I had my super charger on the car. other issue is there is oild around the pass side header and oil leaking around the number 7 cylinder. I checked tq on the head bolts, look at the valve seal(which I replaced 2k ago) did a compression test on all cylinders and they were between 160-165 cold.
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so I was under the car again and noticed the lower oil pan had a crack in it. I removed it cleaned it and sure enough there was. I bought some metal putty stuff and put it on there as a temp repair. So I dont know if thats where it was coming from but I think it def has something to do with it.