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S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15.


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Old 06-20-2013, 02:02 PM   #1
EccentricBro
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White Smoke At Idle

Yes there are other threads i've been looking through yada yada but here's my story. Ran up a curb 2 days ago. derp yeah i know i'm a fucking idiot don't remind me anyway the main damage done luckily was just the bumper got destroyed. fixed that yesterday. suspension/steering related stuff seems no different, the only real noticable damage was the intercooler took a hit, not to bad, on the bottom of it.

so here we are, today i took it for a cruise double checking that she's okay, and it was idling fine, cruising fine..but it didn't feel like it was pulling as hard as usual. towards the end of my 10 min drive i was at a red light and noticed something smelt. light turns green i give it gas and some white smoke comes out of the exhaust. first thought is 'oh fuck head gasket'. i get home and try to recreate the situation...parked in front of the house, let it idle 2 min and gave it some gas. nothing. round 2: i take it for a cruise around the block making sure to hit boost a few times. sure enough this time i let it idle white smoke starts coming out, give it gas and more comes out then clears.

to answer the obvious question, no it didn't smell sweet. radiator cap leaked when i first got this car, every time i opened the hood before replacing it there was a nice smell of coolant. every time. so i know what that smells like. it definitely smelt more burnt. so i'm thinking oil. and because of the fact that it only did it after i hit boost makes me think turbo seals. opinions?

redtop SR20
straight pipe
big radiator
e-fans
fmic

edit: forgot to mention it's pulling 6-7 psi when it should be 8-9

Last edited by EccentricBro; 06-21-2013 at 09:50 AM..
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Old 06-20-2013, 08:21 PM   #2
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bum diddly ump
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Old 06-20-2013, 08:27 PM   #3
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did you check your oil level? you might need piston rings, compression test wouldn't hurt to have done either.
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Old 06-20-2013, 08:32 PM   #4
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tested 3 weeks ago or so. 150 across the board 18-20% leak
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Old 06-20-2013, 08:40 PM   #5
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start your car and take the radiator cap off and watch in it for 4 min if it bubbles your head-gasket is starting to go. i had the same problem. started with smoke sometimes then lose of power then overheated.
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Old 06-20-2013, 09:46 PM   #6
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i'm not too sure its head gasket related. like i said it smelt like burning not maple syrup and only after boost
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Old 06-21-2013, 09:53 AM   #7
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noticed oil on exhaust manifold side of block towards the front of it..i think i might've fucked up one of the oil feeds, can't get under it to check it out atm
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