Balance Shaft Drive Chain, Removing And Installing: Removing

-- Remove the camshaft timing chain. Refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .

Requirements:

Vehicle without High-Voltage System:

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• The crankshaft is at "TDC" ; the V-shaped cut-out on the three-layer chain sprocket points in an imaginary vertical line -arrows- centered between the camshaft chain sprockets.
• Three-layer chain sprocket locked with the Assembly Tool - Tensioning Bolt:T10531/6  .

Vehicle with high-voltage system:

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• The crankshaft is at "TDC" ; the V-shaped cut-out on the three-layer chain sprocket points in an imaginary vertical line -arrows- centered between the camshaft chain sprockets.
• Three-layer chain sprocket locked with the Vibration Damper Assembly Tool - Tensioning Bolt:T10531/2  .

Continuation for All Vehicles:

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-- Remove the bolts -4- and the chain tensioner for the camshaft timing chain.

-- Remove the chain tensioner -3- for the drive chain balance shafts.

-- Remove the guide pins -1 and 5-, the tensioning rail -2- and the guide rail -6-.

-- Remove the balance shaft drive chain.