why do i see like vapor on the air vents when i turn on A/C on my truck ?

Asked by Apr 08, 2015 at 12:35 AM about the 2011 Chevrolet Silverado 1500 LT Crew Cab

Question type: General

literally you can see like (light smoke, vapor or something like that)

3 Answers

10

Could be seeing the heat from the windshield raising or a vaccum leak

1 of 1 people found this helpful.
69,275

Under high humidity conditions some vehicles will do that. My '94 Ford Escort used to do that sometimes. If it's annoying try adjusting the air temp control to a slightly warmer position. HTH. -Jim

250,445

I'm going to say the heater core is leaking. Is there a film on the windshield? Then your replacing the heater core.

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