Is the AC in my truck not working?
Discussion in ‘ Peterbilt Forum ‘ started by kwforage, May 9, 2017 . 95’ 378. AC is not working. System is charged but compressor clutch will not engage.
Why is my AC compressor not getting power?
95′ 378. AC is not working. System is charged but compressor clutch will not engage. No power at compressor. It does engage if I jump it off a 12V source. I have power in and out of hi and low pressure switches. Any thing I’m missing or do I need to start looking for a broken wire somewhere?
Why is my car AC not working after recharge?
There could be numerous reasons for the improper AC working after you recharge it. You can handle the situation by finding out the most common reasons for this right away! 1. The Compressor is Unable to Connect Numerous reasons can cause the compressor to not to connect with the vehicle AC.
What should I do if my air conditioner is not working?
Common Air Conditioner Problems and Solutions 1 Tighten valve 2 Remove some refrigerant 3 Replace expansion valve 4 Replace reed valves 5 Replace head gasket
How to troubleshoot a / C problems in Freightliner Trucks?
A specially trained mechanic should fix any problems with the AC system, but you can troubleshoot to verify that there is a problem. Turn the engine on and allow the truck to warm up to its normal operating temperature. The water temperature gauge needle should sit in the center of the upper and lower marks on the gauge.
Why does my Freightliner engine keep getting warm?
Freightliner trucks normally have a water temp gauge in the center of the dash-making it easy to know when your truck’s engine is warm. The reason for failure on freightliners is almost always a leak in the compressor due to a failure at the cooling line to air compressor seal.
What does a Freightliner air conditioner compressor sound like?
Freightliners use a simple dial on the HVAC control unit to control the setting of the AC system. On a freightliner, the sound of the compressor starting is unmistakable. You should hear a low “hum” followed immediately by the cooling fan turning on.