What;s Wrong With My RAM Truck????
Our 2005 Ram 3500 Diesel (5.9) SRW has been a great tow vehicle for our 7-ton 5th wheel trailer. And after 150 thousand miles, three years ago we had to replace a couple of leaky hoses in our air con...
Forum Discussion
Iraqvet05 wrote:I cannot fathom how that could be.
I had a 2500HD that would stop blowing cold air at stop lights and at low speeds. The blower fan would still blow but the air was hot. It took me a few weeks of research but I found out the fan clutch had failed, causing the evaporator to freeze up.
A clutch that doesn't engage with enough force (normal wear failure) will not pump enough freon to freeze the evap.
One that has locked up (Not a normal occurance) will be much more likely to freeze at highway speed... In fact most systems cannot make a evap freeze at idle. They just do not pump enough freon fast enough for this to occur.
