Removal and installation, replacement air conditioner compressor assembly of the BMW 7 E38

64 52 520

Warning!
Risk of injury!
The refrigerant circuit is under high pressure!
Follow safety instructions for handling refrigerant!
Avoid contact with the refrigerant and refrigerator oil.
Follow instructions for handling refrigerant.
Follow safety instructions for handling refrigerant oil.

A warning!
Risk of damage!
Be sure to follow the instructions for compressor replacement.

A warning!
Risk of damage!
Charge-air hoses must be dry and free of grease.

Note:
The refrigerant is pumped out from the air conditioner.
Remove the front panel to protect the motor units.
Remove compressor drive belt.
Only the engine BMW M57:
Remove shaped hose between hot-wire air flow meter and turbonagnetatalem.
Only the BMW M60 engine, M62:
Remove the air filter housing.
Only the BMW M67 engine, M73:
Remove the air filter housing right.

All of the engine:
Disconnect the connector.
Release screws. Disconnect the suction and discharge piping.
Installation:
Replace the O-rings.
Observe tightening torque 64 52 1AZ.
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Only the engine BMW M67:
Disconnect the connector (1).
Release screw (2) oil pipe holder.
Release screws (3).
Installation:
Observe tightening torque 32 41 1AZ.
Gently pull and squeeze down the side pump (4), power steering, preventing deformation of the oil pipes connected to the pump (4).
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Loosen the hose clamps (1) and (2).
Installation:
Observe tightening torque 11 65 10AZ.
Detach lower pressure hose (3) on the pressure pipe (4) from the charge air cooler in the direction indicated by the arrow.
Disconnect the pressure pipe (4) from the top of the pressure hose (5) in the direction of the arrow, and remove it.
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Release screw (1).
Disconnect tube (2) of the turbocharger (3) in the direction of the arrow.
Installation:
Check for damage and replace the O-ring between the inner pipe (2) and turbocharger, if necessary (3).
Pay attention to the correct position of the O-ring.
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Disconnect the hose (1) to remove the air.
Release screw (2) and remove the tube (3) upwards.
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Release screws (1) and remove the jig (2) in the direction of the arrow.
Release screw (3) and remove the mounting plate (4).
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All of the engine:
Compressor 4 Fixing screws:
Note:
Secure air conditioner compressor to prevent a fall.
Release screws.
Remove conditioner compressor downwards.
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Compressor 3 Fixing screws:
Note:
Take action against the fall of the compressor (2) air conditioner.
Release screws (1) and remove the compressor (2) air conditioner.
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