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sprinkles08, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 21410
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Ac is blowing hot hot air sometimes, Coolant level is good,

Customer Question

Ac is blowing hot hot air sometimes
JA: Have you checked the coolant level? Have you checked the hoses for leaks?
Customer: Coolant level is good, if I slam doors it will blow cold just now while driving a hissing sound was made n a cloud of smoke was release it happen twice now it's blowing hot again
JA: What is the model/year of your Cadillac?
Customer: 03 dts
JA: What year is your Cadillac?
Customer: 03 Dts 4.6 vin 9
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Yes n just been happening for a couple days first time for noise n cloud of smoke probably freon
JA: Anything else you think the mechanic should know?
Customer: Just had engine replaced have replaced both o2 sensors 1 on bank 2 n 3 now have a code for b1 sensor 2
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Cadillac Mechanic about your situation and then connect you two.
Submitted: 3 months ago.
Category: Cadillac
Expert:  sprinkles08 replied 3 months ago.

Hello and welcome to JustAnswer!

It sounds as if you saw a refrigerant leak if you saw what appeared to be smoke with a hissing noise and it is now blowing hot. It could be a damage component, a leak at a connection or it may have come from the compressor high pressure relief valve.

What area did you see this come from?

Customer: replied 3 months ago.
It came from front of car hood was down. It was blowing hot before this had happened went to pick wife up for lunch she got n shut door it started blowing cold driving a lil ways then the hissing then the cloud n it stopped then a few min later it happens again
Expert:  sprinkles08 replied 3 months ago.

Before this was it blowing cool while driving but warming up at stops and slow speeds?

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