The HVAC system uses hot engine coolant to move heat into the passenger compartment when the heat mode is chosen on the control head. The…
The three types of refrigerant that have been used by OEMs are known as R12, R134a, and R1234yf. Many people describe the refrigerant as Freon,…
The drive belts on an engine are an area where caution must be used in order to prevent injuries when working on the AC system.…
The cooling system on cars and trucks must be dealt with in a safe manner. The liquid that transfers heat from the engine to the…
Cabin comfort in automobiles has seen many changes in the last 100 years. The industry has gone from not having cabin heat or an air-conditioning…
Test Procedure 1. Attach suction and discharge pressure gauges. 2. Operate the unit in high speed cool. 3. Note the ambient (outside air) and box…
1. Expansion Valve 2. 3 Way Valve 3. Compressor Pressure Regulating Valve (CPR) 4. Compressor Valve Plates and Reed Valves 5. By-pass Check Valve
1. Expansion Valve 2. Quench Valve 3. 3 Way Valve 4. By-pass Check Valve 5. Compressor Pressure Regulating Valve (CPR) 6. Compressor Valve Plates and…
1. Bypass Check Valve 2. Hot Gas Solenoid (SV-3) 3. Hot Gas Solenoid (SV-4) 4. Quench Valve 5. Expansion Valve 6. Compressor Valve Plates and…
The Thermo King TriPac Auxiliary Power Unit (APU) is equipped with a number of protection devices to prevent damage to the unit and to the…