Camshaft Adjuster, Installing, Cylinder Bank 2 (Left)

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Tightening specifications. Refer to OVERVIEW - CAMSHAFT TIMING CHAINS .

NOTE:

Replace the bolts that were tightened with an additional turn.

CAUTION:

Risk of damaging valves and piston crowns.

If camshafts are rotated, crankshaft may not rest with any piston at "TDC".

Crankshaft -1- secured in "TDC" using Crankshaft Locking Pin:T40069 .

Fig 1: Crankshaft Locking Pin T40069
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Camshafts secured in "TDC" using the Camshaft Clamp:T40133/2 -arrows- (25 Nm).

Fig 2: Camshaft Clamp -T40133/2-
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-- Place the timing chain on the camshaft adjuster -A- and place the camshaft adjuster on the camshaft. Pay attention to the following:

Fig 3: Identifying Manual Left Timing Chain Tensioning

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The timing chain must rest >>taut<< on the guide rail -arrow-.
The timing chain must be tensioned >>by hand<< in the direction of the -arrow-.

The groove -1- in the camshaft adjuster must align with the adjustment window -2-.

Fig 4: Aligning Camshaft Adjuster Groove With Adjustment Window
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-- Insert the camshaft chain sprocket into the timing chain and place the camshaft chain sprocket on the camshaft. Pay attention to the following:

Fig 5: Aligning Marking Point With Adjustment Window

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The marking point -1- must be centered with respect to the adjustment window -2-.

-- Install the bolts -1 and 2- loosely. The camshaft adjuster and the camshaft chain sprocket must be able to still be rotated on camshaft and must not tip.

Fig 6: Identifying Cylinder Cover Bolts -1 And 2-

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-- Press the chain tensioner guide rail for the right camshaft timing chain inward all the way using a screwdriver -1- and remove the Locking Pin:T40071 .

Fig 7: Identifying Left Timing Chain Tensioning

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-- Position the Wrench - Pin Type:3036 on the camshaft adjuster.

Fig 8: Identifying Retainer -3036-

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-- Press the Wrench - Pin Type:3036 in the direction of -arrow- and check if the timing chain is lying >>taut<< against the guide rail -A-. If the timing chain is still >>loose<<, the camshaft chain sprocket must be offset by one tooth.

-- Have a second technician hold the camshaft timing chain at pre-load using the Wrench - Pin Type:3036 in the direction of -arrow-.

Fig 9: Identifying Retainer -3036- And Rotating In -Direction Of Arrow-

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Tighten the bolts as follows while the camshaft adjuster is still held under pretension.

Tighten the Bolt for the Intake Camshaft to 80 Nm
Tighten the Bolt for the Exhaust Camshaft to 80 Nm

-- Tighten the bolts to the final tightening specification. To do so, counterhold using the Wrench - Pin Type:3036 or the Wrench - Pin Type:3212 .

Turn the Bolt for the Intake Camshaft an Additional 90° Turn. While Doing So, Counterhold with the Wrench - Pin Type:3036
Turn the Bolt for the Exhaust Camshaft an Additional 90° Turn. While Doing so, Counterhold with the Wrench - Pin Type:3212