64 51 525 Removing and installing or replacing expansion valve
WARNING: This page is about a different car, the 2010 BMW M5, 2009 BMW M5, and 2008 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Draw off refrigerant from A/C system. See 64 50 009 Drawing Off, Evacuating And Filling A/C System (R 134a) .
- Remove fresh air duct. See 64 31 053 Removing And Installing Or Replacing Fresh Air Duct .
Feed out rubber grommet (1).
Installation:
Make sure rubber grommet (1) is correctly seated.
Unscrew nut (2).
Installation:
Tightening torque, see 64 53 7AZ in 64 53 REFRIGERANT LINES AND EXPANSION VALVE article.
Detach refrigerant lines (3) and (4) in direction of arrow.
Installation:
Replace sealing rings.
Release screws (1).
Installation:
Tightening torque, see 64 53 9AZ in 64 53 REFRIGERANT LINES AND EXPANSION VALVE article.
Detach expansion valve (2) in direction of arrow.
Installation:
Replace sealing rings.
Make sure soundproofing (3) is correctly seated.