HVAC - Heating, Ventilation, Air Conditioning.

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3
votes
1answer
2k views

My AC works well at night only

I'm unhappy with the performance of my '04 Pontiac GTO's AC. Here are the symptoms: Cooling goes down to zero when the car is stationary, starts to cool after the car has been moving for some time ...
4
votes
2answers
3k views

My vents randomly switch between face / windshield… how do I fix this?

I have a 1998 Ford Windstar (more details on demand if necessary.) I rarely use any vent setting besides "face", and I try to avoid using AC because my gas mileage is already lousy. About two months ...
7
votes
2answers
1k views

how can I quiet a 'chirping' ventilation fan motor blade?

I have a 2006 VW Golf and the internal fan motor that blows the a/c & heat will start to 'chirp' (sound something like a bird singing) randomly. I believe the fan blade needs to be lubricated, ...