Cooper (R56) L4-1.6L (N12) (2008)
Expansion Valve: Service and Repair
64 51 520 Removing And Installing Or Replacing Expansion Valve
Special tools required:
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64 1 140
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.
IMPORTANT: Risk of damage.
Restart engine only when A/C system has been correctly filled.
Follow instructions for opening and replacing parts in refrigerant circuit.
NOTE: If A/C system is opened for more than 24 hours: Replace desiccant insert for A/C system.
Necessary preliminary tasks:
-
Draw off refrigerant from A/C system
-
Remove suction filter housing
Unscrew nut (1).
Disconnect refrigerant lines (2).
Installation:
Replace all sealing rings and moisten with suitable refrigerant oil prior to fitting.
Tightening torque
4AZ Line / A/C system to expansion valve
M6 x 20 ............................................................................................................................................................................................................ 7.5 Nm
Type: R50 / R52 / R53
R55, R56 ............................................................................................................................................................................................................. 8 Nm
Release screw (1) and screw in special tool 64 1 140.
Release screw (2) and feed out expansion valve (3) towards front.