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Ask Chad Farhat Your Own Question
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Dodge
Satisfied Customers: 1569
Experience:  Owner at Carolina Auto Service &Sales , 20 years Experience in Foreign & Domestic vehicles
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My ac was working fine at 730 this morning and then got

Customer Question

My ac was working fine at 730 this morning and then got ready to leave again at 1030 and it was blowing hot air
JA: Have you checked the coolant level? Have you checked the hoses for leaks?
Customer: Coolant level fine see no leaks
JA: What is the model/year of your Dodge?
Customer: 07 dodge caliber rt
JA: Are you fixing your Caliber yourself? What have you tried so far?
Customer: I checked fuses and belts and the damper in glove compartment
JA: Anything else you want the mechanic to know before I connect you?
Customer: It went from working fine to blowing hot air
Submitted: 2 months ago.
Category: Dodge
Expert:  Chad Farhat replied 2 months ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Expert:  Chad Farhat replied 2 months ago.

1- is the blower inside the cabin still blowing?

2- is the ac compressor coming on outside inside the engine compartment ?

3- can you Freon level, if you low on freon ,the compressor will not engage?

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

Customer: replied 2 months ago.
The blower works fine on all settings. The compressor doesn't seem to be kicking in. I don't hear the usual sounds. Not sure how to check freon
Expert:  Chad Farhat replied 2 months ago.

you need ac gauges set tool to hook up to low side & high side

http://www.ebay.com/itm/Refrigeration-Air-Conditioning-A-C-Diagnostic-Manifold-Gauge-R134a-R502a-R22-R12-/231999367006?hash=item36043d675e:g:4gkAAOSwZ1BXdyfQ&item=231999367006&vxp=mtr

lets check the relay & fuse ,let me look up location for you .

Expert:  Chad Farhat replied 2 months ago.

1-If you jump pin #1 & pin# ***** on the ac pressure sensor with a wire in between

tell me if that makes compressor kicks in

2- Check fuse # 22 10 AMP red fuse goes to HVAC circuit ,make sure this one is good

Please let me know

Thank You

Chad Farhat

ASE Certified Technician