2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

head gasket?

Old Jun 8, 2009 | 10:05 PM
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head gasket?

Ok i made a post awhile ago about my head gasket might be messed up. Just wanted to get more info on it because im still having a issue. Ok so last month i was leaking coolant. Was going to get it checked out and thought it was cuz i bottomed out and ripped the bleeder valve off the aftermarket h/e. well i fixed that...but there was still a leak coming from the other side....ironically i got into a car accident that week and the leak was coming from the stock h/e which was replaced due to the accident making it even worse. However im still leaking coolant somewheres....every week or so i have to fill the coolant up abit...i can smell coolant every time im driving for awhile and stop and the last 2 times i dyno'ed my car i am hitting between 15-30whp less then what i dynoed when i tuned for meth.

Tonight i did a oil change and after that went under the car to check the h/e and all the hoses...one hose was loose so i tightend it...however that wasnt where the leak was coming from because there was no signs off coolant leak. Just to be sure i let the car run for 30mins and even brought it to 4000rpm for a few mins to get it going. No leaks at all under the car. So my guess is its the head gasket cuz i heard coolant goes where it shouldnt if the gasket is gone and white smoke? havent seen to much white smoke but iiunno. This coolant is going somewheres and i been told that the power loss could be caused by air in the lines. So is there any more info you guys have to narrow it down that it could be the head gasket. Thanks!
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Old Jun 8, 2009 | 10:14 PM
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Compression check the car. White smoke out the exhaust?

Where do you fill the coolant at, the engine tank or the IC tank?
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Old Jun 8, 2009 | 10:16 PM
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did a compression check, all four ranged from 173-179....fill it through both. I filled the tank up...let it run, then filled the IC up and watched for the air bubbles. Then its filled up and a week or so later ill have to do it again.
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Old Jun 8, 2009 | 10:18 PM
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So both tanks seem to be losing coolant? If the engine coolant is constantly going down, it's either burning the coolant, mixing with oil, or leaking somewhere.

If the IC tank is going down, could just be air bubbles.
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Old Jun 8, 2009 | 10:19 PM
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yea they both are. this is pissing me off. Car has been running like **** to...think its just the tune for that thought. But like i said, im loosing 15-30whp and have to keep filling the damn thing up.
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Old Jun 8, 2009 | 10:23 PM
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Oil clean and not milky? No white smoke from the exhaust at all?
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Old Jun 9, 2009 | 08:39 AM
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looked cleanish...concidering my last oil change was around 5000km. I didnt notice white smoke but i just pm'ed my buddy who i was driving with the other day...see what he says. It would be a small crack in the gasket cuz its not a huge leak...just have to fill it once a week.
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