Expansion Valve, Removing Digital Climate Control (Climatronic)
Expansion Valve, Removing
NOTE:
- Before proceeding with A/C refrigerant system servicing, always review safety measure.
- Discharge and evacuate A/C refrigerant system with kent More ACR4 or equivalent
- All opened refrigerant system components must be sealed against moisture and dirt contamination by appropriate sealing caps.
- R-134a system identification via O-ring color is no longer valid. Black and colored rings are used.
1 - Evaporator (front)
- In front heating and A/C unit
2 - O-ring
- 10.8 mm; 1.8 mm
3 - Expansion valve
- Removing
- Discharge A/C refrigerant system
- Remove bolt -8-
- Replace O-rings -5- and -6-.
- Remove bolt -4-
- Remove expansion valve.
- Replace O-rings -2- and -10-.
- When reinstalling, opening at bulkhead must be sealed to prevent water ingress
4 - Socket head bolt
- Tightening torque 7 Nm
5 - O-ring
- 7.6 mm; 1.8 mm
6 - O-ring
- 17.2 mm; 1.8 mm
7 - Refrigerant pipe
- From receiver drier to expansion valve
8 - Socket head bolt
- Tightening torque 7 Nm
9 - Refrigerant pipe
- From expansion valve to compressor
10 - O-ring
- 14 mm; 1.8 mm