Operation CHARM: Car repair manuals for everyone.

Disassembly and Assembly


Heater/Evaporator Housing Disassebly





1 Upper evaporator housing
• Seal gooves and contact surfaces with silicone rubber sealant Part No. AKD 476 KD5 05 or equivalent

2 Fresh air blower series resistance with fuse - N24

3 Intake duct
• Glue seal to ensure water tight connection

4 Fresh air/recirculation flap vacuum servo

6 Air intake ring

7 Fresh air blower - V2

8 Lower evaporator housing
• Seal grooves and contact surfaces with silicone rubber sealant Part No. AKD 476 KD5 05 or equivalent

9 A/C evaporator temperature switch -E33- sensing tube

10 A/C evaporator temperature switch - E33
• Insert sensing tube of temperature switch into evaporator 330 mm (13.0 in.)
• Replaceable only with cover and insulation
• Prevents evaporator from freezing
• Not needed on vehicles with variable displacement, self regulating compressors (these compressors will not allow evaporator temperatures to drop below freezing)

11 Retainging strap
• Replace with Part No. 191 820 845

12 Footwell vent

13 Evaporator water drain valve
• Install with lip facing down
• Remove and dirt or undercoating from valve
• Press fit onto lower evaporator housing (not glued)

14 Air distribution housing
• Flaps cannot be replaced individually

15 Seal (round)
• Must be water tight

16 Seal
• Must be water tight

17 Seal
• Must be water tight

18 Heater core
• If heater core is replaced drain entire cooling system and refill with new coolant