Procedures

64 51 001 - Cleaning evaporator





Special tools required:
- 64 1 480 64 1 480 Evaporator Cleaning Lance





Note:
For information on cleaning agent and rinsing again, refer to Service Information.

For information on spraying equipment, refer to Service Information Special Tools and Equipment.





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.





Important!
To avoid dirtying vehicle interior:

- Close all air vents.
- Switch heating - A/C system to recirculated-air mode.





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.

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





Necessary preliminary tasks:
- Remove fresh air duct Service and Repair





Partially detach transmission underbody protection (6) for draining cleaning fluid:

Release screws (2 ... 4) in rear area and press heat shield (5) away.





Connect special tool 64 1 480 64 1 480 Evaporator Cleaning Lance (spray lance) to spraying equipment.

Insert spray lance (1) through opening (2) to fresh air duct.

By moving spray lance (1) back and forth, spray a uniform amount of cleaning agent onto evaporator.





Note:
After rinsing with water, blow out evaporator with spray lance and air only for approx. 5 minutes. Do this predominantly in the centre of the evaporator to dry the fan motor behind.

Set heating - A/C system to footwell ventilation and fresh-air mode. Open windows/doors.

Start car and run heating - A/C system at maximum fan power for approx. 5 minutes in order to dry heating - A/C system.

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