BMW X5 Owners & Service Manuals

BMW X5: Air Conditioner Test (R 134A)

Before A/C efficiency test, satisfy following conditions:

1. Provide a MoDiC or DIS. Safeguard electrical system integrity by checking the fault memory (no faults in the fault memory).

2. Provide a thermometer with separate gauge.

3. Perform the test in a suitable work bay with an ambient temperature between 20 ºC and 30 ºC.

Re 1:

Connect MoDiC or DIS to car and display evaporator temperature.

Re 2:

Position a thermometer with a separate gauge approx. 5 cm below the roof liner at the height of the B-pillar.

Lay gauge outwards out of vehicle interior.

Re 3:

Heating up vehicle interior:

A/C efficiency test:

Turn on A/C compressor at a vehicle interior temperature of 50 ºC.

After 3-4 minutes, the evaporator sensor temperature must be > or = 15 ºC.

Draw off A/C system if this temperature is not reached. Measure amount of refrigerant drawn off.

If drawn-off quantity does not correspond to specified fill quantity : supplement refrigerant and repeat test.

If fill quantity is correct, continue troubleshooting by pressure measurement.

READ NEXT:

 Instructions For Handling Refrigerant R 134A

WARNING: Although R 134a at normal temperature is non-toxic, non-flammable and not explosive in air in any mixture ratio, it is still essential to follow various safety precautions. The filled refrig

 Leak Testing With Ultraviolet Additives (UV Additives) (BMW Leak-Testing Case)

IMPORTANT: It is absolutely essential to read and comply with the equipment manufacturer's instructions for use provided in the equipment case! Read and comply with the instructions for use provided

 Drawing Off, Evacuating And Filling A/C System (R 134A)

WARNING: Refrigerant circuit is under high pressure! Repair work may only be carried out on a DEPRESSURIZED refrigerant circuit! Avoid contact with refrigerant and refrigerant oil. Follow safety inst

SEE MORE:

 Lowering/Raising Front Axle Carrier (Universal Lifter)

Special tools required: 00 2 030 31 2 255 31 2 256 31 4 170 31 5 250 31 5 255 31 5 256 WARNING: Danger to life! Mount securing fixture for vehicle on lifting platform to prevent the vehicle from slipping off or tilting down. Secure engine in installation position to prevent it from falling

 Drive readiness

Principle Turning on drive-ready state corresponds to starting the engine. General information Some functions, such as DSC Dynamic Stability Control, can only be used with drive-ready state switched on. Safety information DANGER If the exhaust pipe is blocked or ventilation is insufficient, harmful

© 2019-2023 Copyright www.bmwx5info.com