Remove and Install Heat Exchanger

Air conditioning unit
Remove. Service and Repair

Clamps (arrows)
Unclip.

Screws (21)
Unscrew and remove.

Heat exchanger (22)
Pull out upwards.

Pipes on heat exchanger
Disconnect and fit onto new heat exchanger using new O-rings; to do this, unscrew screws (23).

Heater unit
Clean out inside and remove any leaked coolant.

Install
In the reverse sequence.