64 51 525 Removing and installing or replacing expansion valve
WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Risk of injury!
Refrigerant circuit is under high pressure!
Follow safety instructions for handling R 134a refrigerant.
Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant oil.
Refrigerant circuit is under high pressure!
Follow safety instructions for handling R 134a refrigerant.
Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant oil.
IMPORTANT:
Risk of damage!
Restart engine only when A/C system has been correctly filled.
Read and comply with notes on replacing compressor.
Follow instructions for opening and replacing parts in refrigerant circuit.
If A/C system is opened for more than 24 hours:
Replacing drier insert for A/C system
Restart engine only when A/C system has been correctly filled.
Read and comply with notes on replacing compressor.
Follow instructions for opening and replacing parts in refrigerant circuit.
If A/C system is opened for more than 24 hours:
Replacing drier insert for A/C system
Necessary preliminary tasks:
Feed out rubber grommet (1).
Installation:
Make sure rubber grommet (1) is correctly seated.
Slacken nut (2).
Installation:
Tightening torque, 64 53 7AZ, see 64 53 REFRIGERANT LINES AND EXPANSION VALVE
Detach refrigerant lines (3) and (4) in direction of arrow.
Installation:
Replace sealing rings and moisten with refrigerant oil.
Release screws (1).
Installation:
Tightening torque, 64 53 9AZ, see 64 53 REFRIGERANT LINES AND EXPANSION VALVE
Detach expansion valve (2) in direction of arrow.
Installation:
Replace sealing rings and moisten with refrigerant oil.
Make sure soundproofing (3) is correctly seated.
After installation: