I was driving on the highway and the fan started acting real wierd. While the ac was on even when it is on high it didnt seem to be pushing out any air. But if I shut down the fan and then turned it back on it worked for about 2-4 seconds then went back to blowing almost nothing out. Get to the house and turn the truck off then back on and it works perfect? Checked fuse it was fine, any other ideas?

 

Sounds like your evaporator was icing up. Had this happen on a few cars that I used to own in Ohio Sometime this can be attributed to low Freon levels.

 

Yea to be honest i looked at the Evap by the fan and there was alot of condensation. How can I determine how much freon needs to be in the system? I think that I may be low also.

 

If there wasn't any ice on the evaporator coil or suction line,I would say it didn't freeze up.
We have HCFC R-134A in your A/C system you need a set of guages,I think the pressure is under10 PSI.

Blu_

 

So if I go to get on of those testers to deterine how much freon you have at an autozone that should tell me. Or should I break down and get some r134a hoses and gauges...I can purchase freon I am certified to purchase..thanks

 

You should all ready have a set then or if you don't maybe some body @ work w/ will lend you a pair?I don't know all ofyour cercumstances,sorry.


Blu_

 

May still be under warranty. 5 year 60K on the Raider. If so take it to the dealer.

 

I am us coast guard and on leave for a month. we dont use automotive gauges we use the standard ones...for homes, ships, industrial zones...i might just bring it to the dealer, but I did realize that temps were about 110 with heat index and i didnt have it on recirculation...im going take a drive tomorrow and see how it works..Thanks

 

It's not freezing up. If it was it would blow hot air. It must be a problem with the fan, or the resister(controls fan speed), or the A/C head unit.

 

I dont think it could be the resistor could it. if it was it would not work except in high