Air Supply Unit Assembly Overview

Air Supply Unit Assembly Overview

• As of vehicle identification number (VIN) WVGLG77L05D072104, there is a new gray piston ring (=> [ (Item 5) Piston Ring ] ) installed.

• The brown piston ring, installed up to VIN WVGLG77L05D072104, is replaced by the gray piston ring.

• Only the gray piston ring is available in the replacement kit together with bolts => [ (Item 2) Bolts ] and gasket => [ (Item 4) Seal ].





1 Air Supply Unit, Upper Part

• With cylinder head.

2 Bolts

• Always replace.

• 5 Nm

• Is included in replacement kit together with gasket => [ (Item 4) Seal ] and piston ring => [ (Item 5) Piston Ring ]. Allocation, refer to the Electronic Parts Catalog (ETKA).

3 Bracket

• For air line.

4 Seal

• Always replace.

• Is included in replacement kit together with Torx bolts => [ (Item 2) Bolts ] and piston ring => [ (Item 5) Piston Ring ]. Allocation, refer to the Electronic Parts Catalog (ETKA).

5 Piston Ring

• Replacing, refer to => [ Piston Ring ] Overhaul

• Is included in replacement kit together with bolts => [ (Item 2) Bolts ] and gasket => [ (Item 4) Seal ]. Allocation, refer to the Electronic Parts Catalog (ETKA).

• Observe notes.

6 Air Supply Unit, Lower Part