BMW X5: Cleaning Evaporator

Special tools required:

• 64 1 300

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
• Heater - A/C system must be switched to recirculated-air mode
• 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:

• Remove rear underbody protection.
• Move steering column in "top" and "extended" position.
• Remove evaporator temperature sensor.

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.

Fig. 81: Inserting Guide Lug

Connect special tool 64 1 300 to spray apparatus.

Move special tool 64 1 300 inwards.

Release clamping screw (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.

Fig. 82: Connecting Special Tool (64 1 300)

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.

Fig. 83: Pulling Out Guide Wire

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

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

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