× 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
Re: 03 GMC 6.5 Litre-no heat
Posted to HD/Fleet Forum on 2/2/2010 1 Reply

My confusion is the rapid cool down Albin. As soon as you take your foot off the throttle you can feel the HVAC cool down, quite rapidly. Like the coolant just stops.

We will try the test in the morning that you suggested. We are getting a sister bus in the ... Login to read more.

1 Replies Received (View Replies)