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boost leak test = oil leak?

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Old Mar 14, 2008 | 04:25 PM
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From: armpit of america
boost leak test = oil leak?

i finnaly did a boost leak test today and found the tb gasket leaking and of course the pos plastic bov. after i put everything back together i started it and relized i never plugged the maf connector back in . so i shut it off , plugged it in and started it .i then let it idle for a few minutes and shut it off. when i came back a couple of hours ago i found a decent size oil puddle underneath near the turbo . the oil filter and drain plug were tight and oil free .
any chance i could have blew an oil feed/return line doing a boost leak test?
(only went up to 13-15psi)
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Old Mar 14, 2008 | 05:05 PM
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guess ill just put it on the lift and hope for the best
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Old Mar 14, 2008 | 05:10 PM
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Shouldn't be related. *IF* it somehow did cause the leak then it was inevitable and would have happened very soon anyway.
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Old Mar 14, 2008 | 05:26 PM
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From: Rewinding motors - Venezuela
When you performed the test, did you block the hose that goes from the valvecover to the intake? Did the car smoke when you started it?

Last edited by iturregui; Mar 14, 2008 at 05:26 PM. Reason: spelling
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Old Mar 14, 2008 | 05:51 PM
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dont know which hose your talking about, but na didnt block any hose , and no smoke just a a bad idle for about 20 seconds before i relized i forgot the maf sensor
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Old Mar 14, 2008 | 06:47 PM
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From: Rewinding motors - Venezuela
OK, nevermind
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Old Mar 14, 2008 | 07:13 PM
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Originally Posted by iturregui
When you performed the test, did you block the hose that goes from the valvecover to the intake? Did the car smoke when you started it?
I didn't know you had to cap that off for a boost leak test. Doesn't the throttle plate close at idle to seal it off the engine?
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Old Mar 15, 2008 | 07:11 AM
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i could tell the throttle body gasket was bad by opening and closing the the tb plate and listening for tone changes just like it says on the cobb tuning site , i hope i didnt blow out a the head gasket or a piston ring by letting all that pressure in without the car on. either way well see im going to the shop to check it out now.
thanks for the help
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Old Mar 15, 2008 | 11:31 AM
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why do dealerships hire people that cant remember to tighten a drain bolt?
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Old Mar 15, 2008 | 11:34 AM
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Originally Posted by elphalba
why do dealerships hire people that cant remember to tighten a drain bolt?
My local dealership hired people who couldn't remember to tighten lug nuts. That wasn't a fun experience. (not in the evo.)
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