Cleaning Evaporator

Cleaning Evaporator

Special tools required:
- 64 1 451
- 64 1 456
- 64 1 457
- 64 1 458

WARNING:
When handling cleaning agent, observe following protection measures:
Wear protective rubber gloves and protective goggles.
If cleaning agent comes into contact with eyes or skin, wash immediately with lots of water.

CAUTION:
To avoid dirtying vehicle interior:
- 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.

NOTE:
For more information on cleaning agent, refer to Service Information.
For further information on spray apparatus, refer to Special Tools/Equipment Service Information.

NOTE:
Make sure the cleaning agent can escape freely from the drain openings. If necessary, remove rear underbody protection.

Remove limit switch for heater - A/C fan.







Seal off opening (A) of adapter for spray lance 64 1 457 with plug 64 1 458.
Clip adapter for spray lance 64 1 457 into opening of limit switch for heater - A/C fan.

Installation:
Make sure adapter for spray lance 64 1 457 is correctly seated in guides (1).







Insert spray lance 64 1 451 in direction of arrow and secure with fixture for spray lance 64 1 456.







Connect spray lance 64 1 451 to spray apparatus.
By moving 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 Service Information.

NOTE: After completing cleaning, allow car to drip-dry for approx. 5 minutes.

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.

NOTE: In order to eliminate the last remnants of cleaning agent, repeat this procedure shortly before handover to the customer.