A3 Quattro L4-2.0L Turbo (CBFA) (2009)
‹› The notch on the vibration damper must line up with the arrow marking on the timing chain lower cover.
‹› The marked links of the timing chain must be positioned on the markings on the chain sprockets.
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Mount the camshaft timing chain: The markings drive chain/chain sprockets - arrows - must align.
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Turn the intake camshaft using the wrench in direction of - arrow - and mount the timing chain.
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Install the vacuum pump.
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Install the high pressure pump. See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Pump/Service and Repair
The rest of the assembly is basically a reverse of the disassembling sequence.