64 11 198 Removing and Installing/Replacing Complete Rear Air Conditioner

64 11 198 Removing And Installing/Replacing Complete Rear Air Conditioner

Special tools required:







WARNING:
Danger of injury.
Refrigerant circuit is under high pressure.
Follow safety information for handling R 134a tetrafluorethane refrigerant.
Avoid contact with refrigerant and refrigerant fluid.
Follow safety information for handling refrigerant fluid.







IMPORTANT:
Risk of damage.
Restart engine only when air conditioning system has been correctly filled.
Follow notes for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours:
Replace desiccant insert for A/C system.







To ensure that the refrigerant is almost completely drained from the rear air conditioner:
In the diagnosis system under Service functions carry out the instruction for "Draining/filling refrigerant circuit".







Necessary preliminary work:
- Drain off air conditioning system
- Remove all luggage compartment trim panels or from 11/2010, remove luggage compartment partition wall

F03 only:
- If necessary, remove cool box







Release screws (1).
Tightening torque 64 53 5AZ.
Carefully detach refrigerant lines (3) downwards from expansion valve (2).

Installation note:
Replace sealing rings.
Use special tool 00 9 030 to mount sealing rings without damaging them.







Unfasten plug connection (1) and disconnect.
Release screws (4).
Tightening torque 64 11 1AZ.
Lift out expanding rivet (6).
Carefully remove rear air conditioner (2) in direction of arrow.
In so doing, feed first air duct (3) then air duct (5) out of respective connecting pieces.







Installation note:
Make sure retaining lug (1) is correctly engaged in guide (2) on rear air conditioner (3).







Installation note:
Treat burr on punched body passage (2) with underbody protection*.
If necessary, renew sealant* on gaiter (1).
*Sourcing reference: refer to BMW Parts Department.







After installation:
- Evacuate and fill heating and air conditioning system







Replacement:
- Modify evaporator
- Modify expansion valve
- Modify all actuator drives