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Re: 2000 Expedition smokes at startup
| Jeff Strickland | 10 Jan 2008 18:21 |
You seem convinced you have bad valve seals, if you are correct, you need to
replace them.
If you have bad valve seals, you should notice oil consumption over time.
White smoke at start up is really steam, and is normal.
|
| jimboc | 09 Jan 2008 02:40 |
Sorry, What should I DO in a case like this?
THESE ARE MY Symptoms:
Bluish/White Smoke from tailpipe at startup.
"bad valve stem seals" Symptom Definition:
The classic symptom of bad valve stem seals is, if when starting the car,
after it has set for a little while (say over night), clouds of smoke appear
from the exhaust and then stops after a few seconds. What happens is, while
the car is setting, oil leaks down the valve stem past the seal and
accumulates in the cylinder chamber. When you start the car, that oil is
burned off out the exhaust pipe.
|
| Jeff Strickland | 09 Jan 2008 02:30 |
SMOKE or STEAM?
If the latter, I suggest there is no problem at all.
> Symptoms:
> The classic symptom of bad valve stem seals is, if when starting the car,
[quoted text clipped - 9 lines]
>
> What should in a case like this? |
| jimboc | 08 Jan 2008 06:30 |
Symptoms:
The classic symptom of bad valve stem seals is, if when starting the car,
after it has set for a little while (say over night), clouds of smoke appear
from the exhaust and then stops after a few seconds. What happens is, while
the car is setting, oil leaks down the valve stem past the seal and
accumulates in the cylinder chamber. When you start the car, that oil is
burned off out the exhaust pipe.
Bluish/White Smoke from tailpipe at startup.
What should in a case like this?
|
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