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.


Important!
To avoid dirtying vehicle interior:

  • Close all air vents.
  • Switch heating and air-conditioning unit to air recirculation function.
  • Cover carpet in working 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 notes on the cleaning agent, see Service Information.

For more information on the spraying equipment, see Service Information on Special Tools/Equipment.


Note:

Ensure that the cleaning agent can flow away freely at the drain openings. If necessary, remove rear underbody protection.


Remove limit-position switch for air conditioning blower.

Fasten adapter for spraying lance 64 1 457 using screws (1) of limit-position switch for air conditioning blower.

Close opening (B) with seal plug for adapter 64 1 458 .

Insert spraying lance 64 1 451 in direction of arrow and fasten with mounting for spraying lance 64 1 456 .
Insert travel limiter (1) into notch (2) of spraying lance 64 1 451 and turn approx. 45°.

Connect spraying lance 64 1 451 with spraying equipment.

By moving the spraying lance 64 1 451 back and forth, uniformly apply the cleaning agent to the 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 heating and air-conditioning unit to footwell ventilation and fresh air mode. Open windows or doors.

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

Note:

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


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