64 51 001Cleaning evaporator

Special tools required:

Warning!

When handling cleaning agent, observe following protective measures:

Wear protective rubber gloves and protective goggles.

If cleaning agent comes into contact with eyes or skin, wash immediately with lots of water.


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.


Important!
To avoid dirtying vehicle interior:

  • Close all air vents
  • Heater ‐ A/C system must be switched to air recirculation function
  • 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.

 

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


Necessary preliminary tasks:

Note:

Direction arrows on special tool  64 1 300  must point in direction of travel.


Insert guide lug (1) of special tool  64 1 300   into opening of evaporator temperature sensor.

Guide lug (1) must be firmly seated in opening of evaporator temperature sensor.

Connect special tool  64 1 300  to spray apparatus.

Move special tool  64 1 300  inwards.

Release clamping bolt (2) and pull out guide wire (1) in order to position the folding spray element vertically.

Apply cleaning agent uniformly to evaporator by carefully moving special tool  64 1 300  back and forth.

Note:

For purposes of clarity, the cleaning procedure is shown on the removed heater/air conditioner.


Set up spray element (1) by pulling out guide wire and carefully move lance (2) back and forth.
Note:

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

Start the vehicle and let the heating and air conditioning system run for at least 5 minutes at maximum blower output.

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


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