Comfort A/C Unit and Air Distribution Housing

Comfort A/C Unit and Air Distribution Housing

Different versions installed only on the "Comfort" A/C system (up to and beginning 08.2007 with running change)

• On the "Basis" A/C system, the A/C unit and the air distribution housing were not changed in 2007.

• Beginning 08.2007 the "Comfort" A/C system with an air distribution housing with optimized air distribution will be introduced as a running change (versions "2") Refer to Electronic Parts Catalog (ETKA). Both versions of the A/C unit can be differentiated from the outside by a decal - A - with the part number - B -.






• The part number - B - on the decal - A - can be read when the CD changer is removed (depending on the vehicle equipment level). Refer to Electronic Parts Catalog (ETKA).

• Pay attention to the correct allocation and adaptation of the Climatronic Control Module (J255) to the A/C unit (version "1" or "2", with and without optimized air distribution in the air distribution housing). Refer to => [ Climatronic Control Module (J255) A/C Control Head ] Climatronic Control Module (J255) A/C Control Head.

A/C unit versions "Comfort" A/C system

• A/C unit for LHD vehicles (part number "8K1 820 005") up to index "S" (version "1", without optimized air distribution in the air distribution housing).

• A/C unit for LHD vehicles (part number "8K1 820 005") starting with the index "AB" (version "2", with optimized air distribution in the air distribution housing).

• The versions of the A/C unit (with and without optimized air distribution in the air distribution housing) can be different on the tearing edge - G - in the installed condition with the footwells removed and footwell door open - H - (left or right). The tearing edge - G - is only on version "2".






• As a replacement part, only air distribution housings - A - version "2" (with optimized air distribution) are supplied. Refer to Electronic Parts Catalog (ETKA).

Distinguishing characteristics of versions "1" and "2" of the air distribution housing - A -

Air distribution housing - A - (versions "1")

• Left and right air guide - B - approximately 12 mm (0.5 in.) wide without tearing edge

• Separating walls - D - in the warm air guides to the rear left and right footwells together, approximately 70 mm wide

• Left and right lower separating walls - F - without tearing edge

Air distribution housing - A - (versions "2")

• Left and right air guide - C - approximately 20 mm (0.75 in.) wide without an additional tearing edge

• Separating walls - E - in the warm air guides to the rear left and right footwells together, approximately 35 mm wide (1.4 in.).

• Left and right lower separating walls with additional tearing edge- G -