S 500 Sedan (140.051) V8-5.0L (119.980) (1996)
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Heater Core: Service and Repair
Remove and Install Heat Exchanger
Air conditioning unit
Remove. See: Housing Assembly HVAC/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.
