A8L Quattro Sedan W12-6.0L (BSB) (2005)
Variable Valve Timing Cover / Housing: Service and Repair
Control Housing for Camshaft Adjustment
Removing
‹› Camshafts and crankshaft must not be rotated when timing drive is disassembled.
‹› The camshaft bar (T10068) serves exclusively to lock the camshaft at TDC. To counter-hold, an open-end wrench 32 mm must be set on the hex
of the camshaft.
‹› Engine removed.
‹› Engine separated from transmission.
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Remove timing chains for camshafts => [ Timing Chains for Camshaft Drive ] See: Timing Components/Timing Chain/Service and Repair/Timing
Chains For Camshaft Drive.
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To loosen the bolt for camshaft adjuster counter-hold at hex - arrow - of camshaft with a 32 mm open-end wrench.
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Remove camshaft adjuster.
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Remove bolts - arrows - and remove control housing for camshaft adjustment.
Installing
Installation is in reverse order of removal, note the following.
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Clean strainer - arrows - on the backside of the control housing for camshaft adjustment.