64 51 001 Cleaning evaporator
Special Tools Required:
- 64 1 451
- 64 1 456
- 64 1 457
- 64 1 458
- Close all air vents.
- Switch air conditioner to recirculated air mode.
- Cover carpet in work area.
Recycling:
Carry out the cleaning operation in a suitable washing bay as the emerging cleaning agent escapes through the drain openings in the transmission tunnel.
Remove limit switch for heater - A/C fan, refer to 64 11 228 REPLACING OUTPUT STAGE/SWITCH FOR HEATER - A/C SYSTEM BLOWER .
Secure adapter for special tool 64 1 457 spray lance with screws (1) of limit switch for heater - A/C fan.
Seal opening (B) with plug for special tool adapter 64 1 458.
Insert special tool spray lance 64 1 451 in direction of arrow and secure with fixture for special tool 64 1 456 spray lance.
Insert travel limiter (1) into notch (2) of special tool spray lance 64 1 451 and turn approx. 45°.
Connect special tool spray lance 64 1 451 to spray apparatus.
By moving special tool spray lance 64 1 451 back and forth, spray a uniform amount of cleaning agent onto evaporator.
For information on cleaning agent and rinsing again, refer to Appropriate Service Information.
Set heater - A/C to footwell ventilation and fresh air operation. Open windows/doors.
Start car and run heater - A/C at max. fan power for approx. 5 minutes in order to dry evaporator.