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Leaking 390GT By Mike - 06/02/2003 7:52:15 AM; IP 24.197.167.80 Hi all, Been trying to narrow down where my oil leaks are coming from. Most was claimed to be rebuilt by the PO and has $5K on it. Put it on the dyno last week and at the wheels got 193hp, 312trq. It is a pretty much stock 390GT motor with a CJ style cam. I think I found the leak on the pass. side. Oil is seaping out from around the PCV valuve grommet on the valve cover, then dripping down around the back of the exhaust manifold. I have a new grommet on order and will see if that helps. Driver side, somehow the oil is leaking down from somewhere and dripping off the power steering hoses. Might be coming from around the oil filter area or coming from around the oil breather cap and moving down the side of the valve cover. Could there be too much pressure building up in the motor causing the oil to leaking out of these areas? I got a new pcv valve but have not installed since I'm trying to find a right angle type one. What is the best way to track these leaks down...spray some brake cleaner around the areas to clean them up and run the motor and watch? Thanks, Mike

This thread, so far...

Skip Navigation Links. Leaking 390GT -- Mike, 06/02/2003  Just FYI: original PCV was threaded into an elbow fitting. [n/m] -- Mr F, 06/02/2003  RE: Just FYI: original PCV was threaded into an elbow fitting. [n/m] -- Mike, 06/02/2003  If you get it off, we sell OEM PCVs with threaded end... -- Mr F, 06/02/2003  PCV & grommet are the most likely suspects, by far. [n/m] -- Mr F, 06/02/2003

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