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What would cause light smoke to intermittently issue from the vents

Tiny
STEVESHURTLEFF
  • MEMBER
  • 1991 PONTIAC SUNBIRD
  • 160,000 MILES
In a 1991 Pontiac Sunbird LE? Just guessing here, but I don't think it's electrical as it hasn't blown a fuse. This seems to occur regardless of what setting the controls are on, and is frequent but not constant
Tuesday, February 14th, 2012 AT 4:29 PM

4 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Heater core leaking.

Roy
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Tuesday, February 14th, 2012 AT 4:39 PM
Tiny
STEVESHURTLEFF
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Thanks for the fast response on that, Roy. Is this something I should be concerned about? Obviously it will take out the heater in time, but what is the likelihood it will disable things like a simple vent setting?
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Tuesday, February 14th, 2012 AT 4:42 PM
Tiny
ASEMASTER6371
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It is a coolant leak. Little now but will get worse in time. I would not delay in confirming it and getting it repaired.

Roy
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Tuesday, February 14th, 2012 AT 5:07 PM
Tiny
STEVESHURTLEFF
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Ok. Will do, thanks
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Tuesday, February 14th, 2012 AT 5:09 PM

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