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Old 10-02-2007, 12:12 AM   #1
sense of nature
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Default thick white smoke @ start up only

Ok ,besides the obvious rings bad or piston bad , any ideas on whaat would piss oil into the intake & intercooler & cause smoke ( thick white , so it's oil , smells like it too ) @ start up ? no o/h problems . I have not done a compression test yet, but if it was rings ,or a piston the oil would not be finding it's way into my intake I was thinking oil seal in the turbo went bad & is blowing it back into my intake cuz it was clogging up my pcv I replaced it( pcv) thinking that was it .. not it
build is a
2.5 w/2.0 heads I have the extra breather blocked off
sti h/g
vf39
etc etc ....
thanks
oil everywhere like she hit a gusher all in the intake , pcv, i/c & all adjacent hoses
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Last edited by sense of nature; 10-10-2007 at 10:28 AM.
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Old 10-02-2007, 12:20 AM   #2
n2oiroc
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white is coolant, oil is bluish black. if your sure its oil it could be valve seals, rings, turbo, etc. if its cooland i would bet its the head gaskets. if your not sure what it is, go to napa and get a block test. does it consume any oil or coolant?

Last edited by n2oiroc; 10-02-2007 at 12:30 AM.
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Old 10-02-2007, 08:12 AM   #3
sense of nature
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Yea that's what I thought as far as the color of the smoke , but there is no consumption of any fluid just massive amounts of oil accumulates in the intake , enough to clog the pcv ?

Last edited by sense of nature; 10-02-2007 at 08:28 AM.
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Old 10-02-2007, 07:45 PM   #4
sense of nature
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pressure test complete no loss of coolant pressure . I guess I can rule out h/g
gonna try a catch can between the pcv & intake duct
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Old 10-08-2007, 03:40 AM   #5
Dana Daray
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Well, I would like to know my self. I was having same color smoke at start up only also. I figured rings and or pistons were shot. I did a compression test today, and #3 only held 90psi. When I was taking everything off to get to the spark plugs, I realized I had oil in everything. boost tubes, throttle body, intake. There was so much fliiping oil it was in the filter of my intake...so it had to been pouring into it. I won't really be able to tell whats wrong until I can pull the whole motor apart next weekend.
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Old 10-09-2007, 01:29 AM   #6
imprexaRS03
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my friend had the same problem.we jsut took it to the shop today, when i find out what it is i will let you kno
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Old 10-10-2007, 10:25 AM   #7
sense of nature
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Quote:
Originally Posted by Dana Daray View Post
Well, I would like to know my self. I was having same color smoke at start up only also. I figured rings and or pistons were shot. I did a compression test today, and #3 only held 90psi. When I was taking everything off to get to the spark plugs, I realized I had oil in everything. boost tubes, throttle body, intake. There was so much fliiping oil it was in the filter of my intake...so it had to been pouring into it. I won't really be able to tell whats wrong until I can pull the whole motor apart next weekend.
Wow !! Ditto only my cylinders are # 2 & 4
same oil everywhere! inlet pcv plugged , Do you have you extra breather capped? I thought the seal in the turbo cartridge went bad causing lack of boost , swapped turbos , same deal .
performed compression / leak down test , valves were good no leaks
#2 cyl 50 psi #4 72 psi
please let us know what you find ! I suspected rings , possible ringlands, but the motor still ran decent just less power & obvious smoke
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Old 10-10-2007, 10:40 AM   #8
sense of nature
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It's going to be a week or so before I can do A tear down
I ordered A new exhaust & have been waiting 2 months for it supposed to be here next week , now this happens , I want to @ least put it on & hear it before I disable her . She might be down a while
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Old 10-10-2007, 12:03 PM   #9
billionaire7
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Head Gasket... I'll bet all or nothing.

I had the same problem, at first I tought it was coolant overflow. Also, I had excessive oil build up inside the FMIC tubing, I thought it was the turbo too. On the dyno we noticed white smoke on decelleration. If you have ever noticed coolant flying out of the overflow tank then the head gasket is done. Just replace. Pull the motor and pull the head yourself, or just find a tech who will do it in 6hrs, plenty of enough time. Go Cosworth FTW!

-Mario
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Old 10-10-2007, 02:37 PM   #10
sense of nature
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No coolant loss or overflow condition ? hope that's all it is
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Old 10-10-2007, 04:41 PM   #11
ronzogonzo
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mabey it was your muffler bearing?


sorry i had to robert
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