Jetta GL L4-1.9L DSL Turbo (ALH) (2001)
Evaporator Core: Service and Repair
Evaporator, Removing And Installing
Removing:
-
Remove heating and A/C unit:
-
Climatic system
-
Climatronic system
-
Disassemble heating and A/C unit.
-
Climatic system
-
Climatronic system
-
Disassemble evaporator housing
-
Remove evaporator - A - from lower section of evaporator housing.
Installing:
Install in reverse order of removal, noting the following.
NOTE:
-
Before inserting evaporator, check condensation water drain hose and clean drain if necessary.
-
Before inserting evaporator, clean evaporator housing and evaporator if necessary.
-
When inserting evaporator - A - into lower section of evaporator housing and when assembling both housing halves, ensure foam seal - F - is not
damaged.
-
Check seal - F - (it must be glued all around) before inserting evaporator.
-
Place bracket - C - and seal / insulation - B - onto connecting pipes of evaporator - D - and - E -.
-
Insert evaporator - A - into lower section of evaporator housing as shown in the illustration.
NOTE:
-
After assembling both housing halves, check seal / insulation - B - for correct seating at pass-through for both refrigerant lines - D - and - E -.
-
Check seating of bracket - C - on both refrigerant lines - D - and - E - for correct seating.
-
If heat protection insulation - B - is missing or not installed correctly, it can cause reduced performance of the A/C system (change of adjusted
control characteristics of expansion valve due to radiant heat).