BMW X3 Service & Repair Manual: Removing and installing or replacing expansion valve

BMW X3 Service & Repair Manual / HVAC / Ac housing/evaporator, switching elements / Removing and installing or replacing expansion valve

Special tools required:

00 9 030

WARNING: Danger of injury! Refrigerant circuit is under high pressure! Avoid contact with refrigerant and refrigerant oil.

Read and comply with safety instructions:

Handling R 134a tetrafluorethane refrigerant .
HANDLING REFRIGERANT FLUID

IMPORTANT: Risk of damage! Restart engine only when A/C system has been correctly filled.

Follow NOTES for opening and replacing parts in refrigerant circuit.

NOTE: If air conditioning system is opened for more than 24 hours:

Replace DESICCANT INSERT FOR AIR CONDITIONING.

Necessary preliminary tasks:

DRAIN OFF AIR CONDITIONING SYSTEM
Remove TENSION STRUT FROM SPRING STRUT DOME ON LEFT

Release screws (1).

Detach refrigerant lines (2) from expansion valve (3).

Installation note:

Replace sealing rings.

Use special tool 00 9 030 to install sealing rings without damaging them.

HVAC

Release screws (1).

Remove expansion valve (2) from retaining clip.

HVAC

Installation note:

Place expansion valve (1) exactly on refrigerant lines (2) and (3).

Fit screws of expansion valve (1) and make sure retaining clip (4) is correctly positioned.

HVAC

After installation:

EVACUATE AND FILL AIR CONDITIONING SYSTEM

Ac housing/evaporator, switching elements

...

Removing and installing/renewing evaporator

Necessary preliminary work: Remove HEATER/AIR CONDITIONER Carefully pull rubber grommet (1) and foam seal (2) over pipes (3) and (4). NOTE: If ...

Other materials:

BMW X3 Owners Manual > Notes: Vehicle features and options
This Owner's Manual describes all models and all standard, country-specific and optional equipment that is offered in the model series. Therefore, in this Owner's Manual, we also describe and illustrate features that are not available in your vehicle, e.g., because of the selected optional f ...