Special tools Required
- 64 1 260
- 64 1 270
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.
- Close all air vents.
- Switch heating - A/C system to recirculated-air mode.
- Cover carpet in work area.
For information on special tool, refer to HEATING AND AIR CONDITIONING - SPECIAL TOOLS .
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 . Refer to 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION (Coupe) and/or 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION (Convertible).
- Remove heater/air conditioner fan . Refer to 64 11 213 Removing and Installing/Replacing Heater/Air Conditioner Fan .
Connect special tool 64 1 260 (spray lance) to spray gun (2).
Insert spray lance 64 1 260 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 shown on removed and cut-open heater/air conditioner:
- Spray lance 64 1 260 in upper end position (1)
- Spray lance 64 1 260 in lower end position (2)
By moving spray lance back and forth, spray a uniform amount of cleaning agent onto evaporator.
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 hand over to the customer.