A8L Quattro Sedan W12-6.0L (BSB) (2005)
‹› Identification => [ Camshaft identification cylinder bank 1 (right) ] and => [ Camshaft identification cylinder bank 2 (left) ]
14
Roller rocker lever
‹› Do not interchange
‹› Check roller for ease movement
‹› Lubricate contact surface
‹› When installing use securing clip => [ (Item 15) Securing clip ] to clip onto support element
15
Securing clip
‹› Check for secure seat
16
Support element
‹› With hydraulic valve clearance compensation
‹› Do not interchange
‹› Lubricate contact surface
17
Cylinder Head
‹› Check valve guides => [ Valve Guides, Checking ] See: Cylinder Head Assembly/Valve Guide/Testing and Inspection
18
Exhaust valve
‹› Mark installed position
‹› Do not rework, only lapping is permitted
‹› Valve dimensions => [ Valve Dimensions ] See: Cylinder Head Assembly/Valve/Specifications
‹› Check valve guides => [ Valve Guides, Checking ] See: Cylinder Head Assembly/Valve Guide/Testing and Inspection
‹› Rework valve seats => [ Valve Seats, Reworking ] See: Cylinder Head Assembly/Valve Seat/Service and Repair
19
Intake valve
‹› Mark installed position
‹› Do not rework, only lapping is permitted
‹› Valve dimensions => [ Valve Dimensions ] See: Cylinder Head Assembly/Valve/Specifications
‹› Check valve guides => [ Valve Guides, Checking ] See: Cylinder Head Assembly/Valve Guide/Testing and Inspection
‹› Rework valve seats => [ Valve Seats, Reworking ] See: Cylinder Head Assembly/Valve Seat/Service and Repair
20
Control housing
‹› Removing and installing => [ Camshaft Adjuster ] See: Variable Valve Timing Actuator/Service and Repair
‹› Lightly lubricate contact surfaces of piston rings before installing
21
9 Nm
‹› Insert using locking compound; locking compound.
Camshaft identification cylinder bank 1 (right)