64 11 323 Replacing button caps for heater controls (up to 02/2007)

Special tools required: 

• 00 9 341 

Turn temperature selector wheel (1) to stop (arrow).

Fig 1: Identifying Temperature Selector Wheels And Air Volume Control

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Unclip the protective cap (1) of the temperature selector wheels and air flow controller with button cap (2) in direction of arrow.

Fig 2: Identifying Protective Cap And Button Cap

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Installation note:  Mark (1) must be aligned with mark (2) of the protective cap of the air flow controller (3).

Fig 3: Aligning Marks

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Installation note:  Clip protective cap (1) of the left temperature selector wheel in with mark pointing to the left (arrow). Clip the protective cap of the right temperature selector wheel in with mark pointing to the right. Protective caps must audibly snap into place.

Fig 4: Clip Protective Cap Of Left Temperature Sensor

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Mask button caps as shown with adhesive tape (1).

Fig 5: Masking Button Caps With Tape

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Lever off button caps (1) with special tool 00 9 341.

Fig 6: Levering Off Button Caps

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Remove adhesive tape (1). Pull light piece (2) out of the fixture of the operating facility using a suitable tool.

Fig 7: Removing Light Piece Out Of Fixture

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Detach the button caps (1) from the die cast tree (2). Carefully deburr the button caps, if applicable.

Fig 8: Detaching Button Caps From Die Cast Tree

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Clip light elements (1) into the button caps (2) as shown. Clip button caps into the operating unit.

Installation note:  The button cap for air recirculation function has two light elements.

Fig 9: Clipping Light Elements Into Button Caps

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Check function of the air conditioning.