Removal and Replacement

64 51 591 - Removing and installing/replacing evaporator





Necessary preliminary tasks:
- Remove heater.
- Remove heater core Replacing Heater Core.
- Remove expansion valve Service and Repair.
- Remove rear compartment air duct.
- Remove fan for heater/air conditioner.
- Remove servodrive of left fresh-air/recirculated-air flap Removing and Installing/Replacing Servodrive For Left Fresh-Air/Reirculated-Air.





Carefully pull off bulkhead seals (1) from heater/air conditioner (2) so that there are no remaining parts left behind.

Installation:
Replace bulkhead seals (1).





Release screws (1).
Press lock (2).
Remove pipe holder (3) complete with pipes (4).





Release screws (1).





Release screws (1).

Installation:
Make sure flaps (2) are correctly seated in mountings (3).





Release screws (1).
Remove upper housing section (2) in direction of arrow.

Installation:
Make sure upper housing section (2) is correctly seated on lower housing section.
Make sure flaps (3) are correctly seated in mountings (4).





Release screws (1).
Release clip (2).
Remove cover (3) in direction of arrow.

Installation:
Make sure cover (3) is correctly seated.





Important!
Do not bend radiator fins.
If necessary, clean or straighten radiator fins with slat comb.





Pull evaporator (1) in direction of arrow out of lower housing section (2).

Installation:
If necessary, replace seal (3).
Make sure seal (3) is correctly seated in lower housing section (2).





Replacement:
Remove plate (2) and seal (3) from evaporator (3).