Ramvan B350 (5.2L ) A/C cuts out

5

Asked by Aug 07, 2017 at 05:41 PM about the 2000 Dodge Ram 3500

Question type: Maintenance & Repair

The A/C was working fine for over two hours driving in 102-degree weather, fat terrain, cruise control. Then suddenly no cold air -- even though the blower continued to move air into the cabin. A few minutes later the cold air returned. This happened once more time while on the trip. Cruise control worked perfectly.

The second probably related issue: I started driving and turned on vent, NOT the A/C, and very hot air came through the vents, almost as if the temp gauge was turned to heat (it wasn't). I turned on the A/C for a few minutes, then back to vent, and the air flow, while not cool (it was hot outside), matched the outside temp.

I checked all the vacuum hoses under the hood to see if there were any visible holes or nicks, but found nothing.

Any help or advice very welcome.

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