| Replacement |
| 1. |
Discharge refrigerant from refrigeration system. |
| 2. |
Replace faulty tube or hose.
|
| 3. |
Tighten joint of bolt or nut to specified torque.
|
| 4. |
Evacuate air in refrigeration system and charge system with refrigerant.
|
| 5. |
Inspect for leakage of refrigerant. Using a gas leak detector, check for leakage of refrigerant. |
| 6. |
Inspect A/C operation. |
Repair procedures Oil Specification 1. The HFC-134a system requires synthetic compressor oil (PAG) whereas the R-12 system requires mineral compressor oil.
Description and operation Description The compressor is the power unit of the A/C system. It is located on the side of engine block and driven by a V-belt of engine.
Components and components location Components [Standard window motor] [Safety window motor] Repair procedures Inspection • When removing with a flat-tip screwdriver or remover, wrap protective
Description and operation Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core. The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective diesel engine.