× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
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

Need heater hose diagram for Bi Fuel pickup
09/15/2020 in the HVAC Forum
[HVAC: 00 Ford F-150 Lariat 5.4L] Hello techs, this F150 bi-fuel had its heater core bypassed, whoever did it, installed a plastic T-pipe because this baby has a CNG unit with coolant hoses that sits on top of the intake manifold on heater core side. My ...
Cabin Filter
09/14/2020 in the HVAC Forum
[HVAC: 01 Subaru Outback VDC 3.0L] I'm changing the cabin filter on this, there seems to be something missing. The lower filter leaves a big gap at the heatsink for the blower controller. This has a vertical cover with the controller in the cover. Is it ...
A/C Not Getting 'Cold'
09/02/2020 in the HVAC Forum
[HVAC: 07 Ford F-250 Super Duty XLT 6.0L] 2007 F-250 6.0 Earlier this year we installed a compressor kit due to the original coming apart. All lines, the evaporator, and condenser were thoroughly flushed. The customer said the truck now cooled better tha...
Subaru HVAC
08/28/2020 in the HVAC Forum
This article from Import Car Magazine just arrived, it's got some good info and is just the tip of the ice berg, pardon the pun :O).
Poor cooling
08/28/2020 in the HVAC Forum
[HVAC: 05 Ford F-450 Super Duty Lariat 6.0L] Good day team, I am certain I have posted on this unit before but every time I was helping along and this time it's sitting in my shop. 05 Ford F450 Armored unit with a regular Ford CCOT in the front and Y joi...

Automotive Sponsored Discussion Forums