Accumulator HVAC: Service and Repair

To Remove
1 Drain the refrigerant from the A/C system. see "Refrigerant".
2 Lift the servo oil container to one side.
3 Install clamp 83 94 488 to the multi V belt.
4 Where appropriate, install a protector over the oil cooler.







5 Unplug the compressor connector.
6 Remove the compressor retaining screws and place the compressor on the radiator cross- member, with a little paper underneath to protect against leaks.

Important : Both the desiccant container and the compressor oil in the R134a system absorb water from the air, which cannot then be removed. For this reason, any connections which are open should be immediately plugged.

7 Detach the hose to the condenser using a holding tool. Plug openings.
8 Detach the pipe to the evaporator using a holding tool. Plug openings.
9 Unplug connector to pressure switch.
10 Remove the retaining screws and lift up the desiccant container.







To Install
1 Place the desiccant container in position and tighten screws.
2 Install new O-rings to the desiccant container connections. Lubricate O-rings with synthetic Vaseline, part number (16) 30 15286.
3 Do up the pipe from the evaporator using a holding tool.

Tightening torque: 21.5 Nm (15.9 lbf ft)

4 Do up the hose from the condenser using a holding tool.

Tightening torque: 21.5 Nm (15.9 lbf ft)

5 Plug in connector to pressure switch.
6 Place the compressor in position and do up the three retaining screws. Note that the bracket for the electrical connection is secured by the upper left-hand screw.
7 Connect electrical wire to compressor.







8 Remove the protector from the oil cooler.
9 Remove the clamp from the multi V belt.
10 Reinstall the steering servo container.
11 Fill with refrigerant, see "Refrigerant".