Procedures

64 51 001 - Cleaning evaporator





Special tools required:
- 64 1 260 64 1 260 Spray Equipment for Air Conditioning (LHD)
- 64 1 270






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.
- Cover carpet in work area.






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

For information on special tool, refer to Service Information Special Tools and Equipment.





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 rear underbody protection Removing and Installing/Replacing Rear Underbody Protection
- Remove heater/air conditioner fan Service and Repair





Important!
Use special tool 64 1 270 on right hand drive models.

Connect special tool 64 1 260 64 1 260 Spray Equipment for Air Conditioning (LHD) (spray lance) to spray gun (2).

Insert spray lance 64 1 260 64 1 260 Spray Equipment for Air Conditioning (LHD) through opening (1) into fresh air duct.

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





Spray lance 64 1 260 64 1 260 Spray Equipment for Air Conditioning (LHD) shown on removed and cut-open heater/air conditioner:

- Spray lance 64 1 260 64 1 260 Spray Equipment for Air Conditioning (LHD) in upper end position (1)
- Spray lance 64 1 260 64 1 260 Spray Equipment for Air Conditioning (LHD) in lower end position (2)
By moving spray lance back and forth, spray a uniform amount of cleaning agent onto evaporator.





Note:
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 evaporator.

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