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Smoke under hood

Tiny
BIRD
  • MEMBER
  • MITSUBISHI
After about 20 minutes of driving and putting the car into park. I can smell something like rubber burning smell coming under the hood. A few times Ive seen white smoke coming under the Valve Cover. I noticed this was happening about 4 months ago. Just 2 days ago there was a lot of smoke coming out. Even when hood was closed. I haven't seen it since. I noticed this was happening ever since I got my valve cover, timing belt and water pump changed. That was about 4 months ago.


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Saturday, February 18th, 2006 AT 4:15 PM

11 Replies

Tiny
NIGHTROAD
  • MEMBER
  • 2 POSTS
It looks like the seal job was done in poor effort. Best way is to take off the valve and see if anything like the seal started melting or falling in the engine. Did it get the gasket installation when parts were being replaced? Was the right seal adhesive been used(having a resist of high temperature)? That's all I can give. Ask a local shop for more tips
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Sunday, February 19th, 2006 AT 3:53 PM
Tiny
LAMBY22
  • MEMBER
  • 5 POSTS
I to have been having this problem.I bought my car from carmax and about a week later after about 30 min driving from my work I notice a burning rubber smell when I get out.I look under hood and I see white smoke coming from underneath the engine.I have no idea what this could be.I replaced my head gasket a couple of weeks ago but the white smoke still comes when I park. The engine does not overheat but it bothers the hell outta me. Plz help
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Tuesday, February 28th, 2006 AT 3:49 PM
Tiny
ANTONIOTGSX
  • MECHANIC
  • 18 POSTS
Check to make sure the right sealant was used.... replace intake and exhaust gaskets.
Here are some guide that can help

https://www.2carpros.com/articles/engine-is-leaking-oil

and

https://www.2carpros.com/articles/replace-valve-cover-gasket

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-1
Monday, March 6th, 2006 AT 9:20 PM
Tiny
LAMBY22
  • MEMBER
  • 5 POSTS
I have cold air intake. That wouldn't have caused the smoke I dont think
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Tuesday, March 7th, 2006 AT 3:42 PM
Tiny
BIRD
  • MEMBER
  • 4 POSTS
I hope not I have an aem short ram instake.
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Tuesday, March 7th, 2006 AT 11:41 PM
Tiny
LAMBY22
  • MEMBER
  • 5 POSTS
I talked to carmax today and they said its the main head gasket and the valve cover gasket. Thats whats causing it
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Wednesday, March 8th, 2006 AT 9:17 AM
Tiny
BIRD
  • MEMBER
  • 4 POSTS
If the main head gasket isnt changed can it cause problems with other parts in the future?
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Wednesday, March 8th, 2006 AT 10:11 AM
Tiny
LAMBY22
  • MEMBER
  • 5 POSTS
Yea. It can cuase water in the oil and the part cost 250 plus labor. Really sucks
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Wednesday, March 8th, 2006 AT 10:54 AM
Tiny
ANTONIOTGSX
  • MECHANIC
  • 18 POSTS
Gaskets are pieces of polycarbonate. Or aluminum material that is used to seal up air, fuel, coolant, or oil lines in a car. AIr in take WILL NOT CAUSE SMOKE. An oil seal in the cylinder head will cause smoke. If you choose to replace your head gasket. GO to A DEALERSHIP. Mom and Pop repair shops do shity work and take to long and do not have the right skills to preform the job. I replaced my Intake and Exhuast vavles and had the same problem. The situation was my Valve cover need a new rubber seal to prevent Positive Crankcase gases from escaping the valve area of my engine. Number 2 the reason your valve cover is immitting smoke is due to bad timming belt. Exhaust valves are not opening fast enough to allow exhaust to be released into the exhaust manifold.
I own a GST eclipse and I work at a auto parts store here in Seattle WA.
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Thursday, March 9th, 2006 AT 7:26 AM
Tiny
LAMBY22
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  • 5 POSTS
Thx man.
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Thursday, March 9th, 2006 AT 7:06 PM
Tiny
BIRD
  • MEMBER
  • 4 POSTS
Thx for the info but how can you tell if its a bad timming belt?

Can a bad timing belt cause not so good gas miliage? I get about 250miles on 45 litres.
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Saturday, April 8th, 2006 AT 12:12 AM

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