S4 Quattro Wagon V8-4.2L (BHF) (2008)
Rocker Arm Assembly: Service and Repair
Roller Rocker Lever
Removing
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Remove engine. Refer to: Vehicles with manual transmission => [ Engine, Manual Transmission, Removing ] See: Service and Repair/Removal
and Replacement/Engine, Manual Transmission, Removing, vehicles with automatic transmission => [ Engine, Removing ] See: Service and
Repair/Removal and Replacement/Engine, Automatic Transmission, Removing and Installing.
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Remove camshaft timing chains from camshafts. Refer to => [ Camshaft Timing Chains, Removing from Camshafts ] See: Timing
Components/Timing Chain/Service and Repair/Camshaft Timing Chains, Removing From Camshafts.
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Remove camshafts. Refer to => [ Camshafts ] See: Camshaft/Service and Repair.
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Mark allocation of roller rocker lever and shafts for roller cam follower for re-installation.
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Remove the bolts - arrows -.
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Thread a M6-bolt into the hole in shaft for roller rocker lever.
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Remove shaft from cylinder head and remove roller rocker lever.
Installing
Installation is performed in reverse order of removal, noting the following:
‹› Replace O-rings.
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Lubricate bearing areas of roller rocker lever with oil before installation.
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Install camshafts. Refer to => [ Camshafts ] See: Camshaft/Service and Repair.
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Install camshaft timing chains => [ Installing ] See: Timing Components/Timing Chain/Service and Repair/Camshaft Timing Chain.
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Install engine. Refer to: Vehicles with manual transmission => [ Engine, Installing ] See: Service and Repair/Removal and Replacement/Engine,
Manual Transmission, Removing, vehicles with automatic transmission => [ Engine, Installing ] See: Service and Repair/Removal and
Replacement/Engine, Automatic Transmission, Removing and Installing.
Tightening Specifications