BMW 7 Series: Removing And Installing/Replacing Evaporator For Rear Air Conditioner
Necessary preliminary tasks
- Remove REAR AIR CONDITIONER
- REMOVE RIGHT FLAP ACTUATOR DRIVE
Release screws (1) on flange holder (2).
Installation: Make sure flange holder (2) is correctly seated in designated guide on rear air conditioner housing.
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Fig. 186: Identifying Flange Holder Screws
Unfasten plug connection (1) and disconnect.
Unclip associated plug housing from blower motor cover (2).
Unlock plug connection (3) and disconnect.
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Fig. 187: Identifying Blower Motor Cover And Plug Connection
Slide retaining clasps (1) in direction of arrow and remove.
Unlock plug connections (2) and disconnect.
Snap plug housing (3) out of filter housing and remove.
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Fig. 188: Sliding Retaining Clasps
Release screws (1).
Remove upper housing section (2) from lower housing section.
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Fig. 189: Identifying Upper Housing Section And Screws
Release screws (1).
Pull condensation water drain hose (2) out of gaiter (3).
Remove evaporator housing (4).
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Fig. 190: Identifying Condensation Water Drain Hose And Screws
Remove evaporator (1) in direction of arrow out of upper housing section (2).
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Fig. 191: Removing Evaporator Of Upper Housing Section
Replacement
- Remove EXPANSION VALVE
REMOVING AND INSTALLING/REPLACING EXPANSION VALVE FOR REAR AIR CONDITIONER
Necessary preliminary tasks
- Remove REAR AIR CONDITIONER
Release screws (1) on flange holder (2).
Installation: Make sure flange holder (2) is correctly seated in associated guide on rear air conditioner housing.
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Fig. 192: Identifying Flange Holder Screws
Pull condensation water drain hose (1) out of gaiter (4).
Unscrew nuts (2).
Remove flange (3) incl. holder and gaiter (4).
Installation: Valve openings must be fully exposed and must not be covered either by flange (3) or the flange holder.
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Fig. 193: Identifying Condensation Water Drain Hose, Flange And Nuts
Release screws (1) and carefully remove expansion valve (2).
Tightening torque 64 53 6AZ.
Installation: Replace sealing rings.
Use special tool 00 9 030 to mount sealing rings without damaging them.
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Fig. 194: Identifying Expansion Valve And Screws
READ NEXT:
Instructions For Compressor Replacement
Notes
IMPORTANT: Compressors with plastic belt pulleys:
Avoid impacts/knocks to plastic belt pulley (caused by tools, contact
with
base).
Return faulty compressors in their original packaging on
Instructions For Opening And Replacing Parts In Refrigerant Circuit
WARNING:
Avoid contact with refrigerant and refrigerant fluid.
Follow safety information for handling R134A refrigerant.
Follow safety information for HANDLING REFRIGERANT FLUID.
IMPORTANT:
SEE MORE:
Wheel Bearings And Stub Axle
REPLACING BEARINGS (WHEEL HUB) FOR FRONT WHEEL
Necessary preliminary tasks
Remove BRAKE DISC
Remove FRONT PULSE GENERATOR
NOTE:
Check brake pads and renew if necessary!
Slacken nut (1).
Tightening torque 31 12 2AZ.
Remove tension strut (2) from swivel bearing (3).
Fig. 51: Identifying Ten
Removing And Installing Three-Hole Flange
Notes
IMPORTANT: It is absolutely necessary to replace the sunk nut!
The sunk nut already has a screw locking.
After the propeller shaft has been screwed into the rear axle final drive (sunk
nut), a hardening time of at least 2 hours is absolutely necessary.
The hardening time may be extended at l
