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International Automotive Technicians Network

Automotive HVAC Forum

Professional automotive forum for discussion of heating, ventilation, and air conditioning maintenance and repairs. Includes discussion of refrigerants, refrigeration lubricants, system analysis and diagnostics, filtration, HVAC-specific tools & equipment, best practices, and more. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the Technical Discussion Forum.

Recent Automotive Discussions in the Automotive HVAC Forum

Do You Need an EV/HV Veh. in Order to Have an E-Compressor?!
09/17/2021 in the HVAC Forum
Do You Need an EV/HV Vehicle in Order to Have an Electric Compressor?! Good morning all, The reason for this post is to share information related to a question that was asked in the TDF at iATN: "Since electric cars have electrically driven compressors, w...
ROBINAIRE 1234YF OXYGEN SENSOR
09/09/2021 in the HVAC Forum
Our less than 1 year old 1234yf machine is requiring an oxygen sensor (part # 16916) to continue functioning. They cost close to $500!!! Anyone else run across this? robinaire says this is normal.
Robinair ac 1234-4
09/08/2021 in the HVAC Forum
My robinair machine once turned on has a white led screen.Only used 1/2 dozen times in last couple of years.Anyone seen this before? I tried cleaning electrical connections on panel but no luck.
Cheap leak detector
09/07/2021 in the HVAC Forum
One of my vehicles has begun losing R134a. As a retired tech, I no longer have access to the top of the line tooling that I bought for the University, so I ordered a $39 leak detector from Amazon. Are these adequate for a DIYer that actually knows wha...
AC relay
08/28/2021 in the HVAC Forum
[HVAC: 08 Nissan Sentra 2.0L] I have this Sentra with a good 10 amp fuse. an AC relay that is in the IPDM module "aka Under hood Fuse panel" all information found indicates. This as a non serviceable part. When testing for power there is none from the li...

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