did a compression test, but all good. What else?????
11-13-2002, 09:30 PM
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did a compression test, but all good. What else?????
I just did a compression test on my car. I took out all the spark plugs, took off the fuel injectors clips, and cranked 7-8 times with full throttle. I got this procedure from the honda manual. my compression numbers were:
183 175 178 180 (the 183 is the one closest to the distributor cap)
but I still have white smoke at idle, and I also have white smoke when I accelerate then let off the gas without hitting the clutch and then accelerate again, then it puffs smoke sometimes real bad. I'm thinking the turbo seals are going cause when I first put it on it was shooting oil out the compressor housing. Then my wastegate won't work and its spiking to 15 psi. So I'm hoping its just the turbo seals since I'm planning on replacing the turbo anyways.
So what do you all think?
Nick
183 175 178 180 (the 183 is the one closest to the distributor cap)
but I still have white smoke at idle, and I also have white smoke when I accelerate then let off the gas without hitting the clutch and then accelerate again, then it puffs smoke sometimes real bad. I'm thinking the turbo seals are going cause when I first put it on it was shooting oil out the compressor housing. Then my wastegate won't work and its spiking to 15 psi. So I'm hoping its just the turbo seals since I'm planning on replacing the turbo anyways.
So what do you all think?
Nick
11-14-2002, 03:21 PM
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Re: did a compression test, but all good. What else????? (T25 civic)
use an engine degreaser and clean the excess oil around the turbo housings area...
then, this is kinda dangerous, leave it at idle and jack it up and see if there's any oil creeping around the compressor or turbine housing...you gotta look from underneath..
white smoke is usually coolant, are you positive it was white ?
blue smoke is usually oil burning...check again and see....have somebosy check it out from behind while you;re accelerating...
if smoke appears while accelerating, it's usually rings/ringlands problem, if while deccelreating, it may be valve guide seals . this is just a rule of thumb, not a definite cause/troubleshooting method...
then, this is kinda dangerous, leave it at idle and jack it up and see if there's any oil creeping around the compressor or turbine housing...you gotta look from underneath..
white smoke is usually coolant, are you positive it was white ?
blue smoke is usually oil burning...check again and see....have somebosy check it out from behind while you;re accelerating...
if smoke appears while accelerating, it's usually rings/ringlands problem, if while deccelreating, it may be valve guide seals . this is just a rule of thumb, not a definite cause/troubleshooting method...
11-14-2002, 05:39 PM
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Re: did a compression test, but all good. What else????? (T25 civic)
My money is on your turbo seals. you are describing exactly what happened with mine. 150 for a rebuild
11-14-2002, 06:21 PM
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Re: did a compression test, but all good. What else????? (T-sohctec)
I'm not completly sure on the color but I know it smells alot like oil burning. Plus if anything was wrong with the rings/ringlands wouldn't it show up on the compression test?
Nick
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