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APBT
Dodge Dakota
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5/23/2009
23:04:36
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 Subject: oil consumption
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Message:
1999 dodge dakota R/T smokes from tailpipe when i start it. but not any other time.eats oil but don't leak at all?
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daddio
Dodge Dakota
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5/24/2009
10:38:04
|  RE: oil consumption
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Message:
Could be a bad plenum gasket. Not an uncommon repair.
By the way, This doesn't seem like a recall so you should probably post this under the V8 Forum. It will get buried and forgotten here.
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?
Dodge Dakota
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1/11/2010
12:54:34
| RE: oil consumption
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Message:
How many miles ?
Possible rings getting worn out, or valve guide seals .
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Marty
Dodge Dakota
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1/20/2010
08:35:25
| RE: oil consumption
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Message:
I replaced the o2 sensor,stop the smoke.Still uses oil,1/2 quart a week or 2 quarts a month,I got 150K on my 95' Dakota 4x4 with the 5.2 Magnum.Pulls strong,has a little lifter "knock".
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daddio
Dodge Dakota
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1/20/2010
10:01:03
| RE: oil consumption
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Message:
As I posted above:
"Could be a bad plenum gasket. Not an uncommon repair."
What you describe is about all of the symptoms of a leaking plenum gasket.
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Marty
Dodge Dakota
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1/20/2010
10:54:39
| RE: oil consumption
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Message:
I'm all ears,where/what is a "plenum gasket"???
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?
Dodge Dakota
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2/04/2010
11:35:38
| RE: oil consumption
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Message:
Plenum gasket is on bottom of Intake manifold .
Reason for failure is that the manifold is made of Aluminum , while the 'plenum' cover is made of steel . These two metals have a different expansion rate as they warm up to engine operating temperature .
.
However , once an engine has over 150,000 miles
on it ( depending partialy on what kind of driving ) ; many other items start to enter the
problem situation .
For example , piston rings , and valve guide seals .
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Marty
Dodge Dakota
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2/04/2010
13:22:16
| RE: oil consumption
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Message:
Pretty sure my "knock" is due to "pre-ignition",crappy regular gas.
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daddio
Dodge Dakota
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2/04/2010
14:10:45
| RE: oil consumption
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Message:
Marty, with the engine off, look down the throttle body with the throttle wide open. If you see oil/ wet down there I would bet the plenum gasket is bad. That would explain your oil disappearing without any leakage.
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Marty
Dodge Dakota
JOIN HERE
2/05/2010
08:06:28
| RE: oil consumption
IP: Logged
Message:
Thanks daddio,I will check it out.Hope this works out better than the advice I got to "backflush" my heater core,did that with no results.Had to fix my headlight switch (good used switch,melted wires!!)so pulled the dash panel,saw my stupid AC/Heat controls look screwed up,"slider" lever barely goes halfway towards heat.
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