Camshafts, removing and installing: Installing

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NOTE:

When installing the camshafts, the cam lobes for cylinder 1 must point upward.
When installing bearing caps, verify marking on cap is readable from intake side of cylinder head.

Place drive chain onto both camshaft sprockets according to color markings.

Fig 1: First And Sixteenth Drive Chain Rollers Installed On Chain Gears

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

NOTE:

When using a new drive chain, distance between notches - A - and - B - must be 16 rollers on the chain.
Illustration shows where first and sixteenth drive chain rollers must be installed on chain gears.
Notch - A - is slightly offset inward toward chain roller - 1 -

Fig 2: Sealant Application Area Identified By Hatched Surface

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Replace rubber/metal seal for camshaft adjuster or chain tensioner and coat hatched surface with thin coat of sealant D 454 300 A2 . (Part numbers are for reference only. Always check with your Parts Department for the latest part number information).
Insert camshaft adjuster/chain tensioner between drive chain.
Oil running surfaces of both camshafts.
Insert camshafts with drive chain and camshaft adjuster/chain tensioner into cylinder head.

Tighten camshaft adjuster/chain tensioner to 10 Nm (pay attention to bushing).

Fig 3: Identifying Bearing Cap Positions

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Alternating in diagonal sequence, tighten bearing caps 2 and 4 of intake and exhaust camshafts and tighten to 10 Nm (pay attention to bushing).

Fig 4: Identifying Bearing Caps

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Install both bearing caps on chain gears of intake and exhaust camshafts. Check camshaft for proper adjustment and tighten bearing cap to 10 Nm (pay attention to alignment bushing).
Remove chain tensioner retainer 3366.

Fig 5: Identifying Double Bearing Cap Sealant Application Area

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Coat hatched surface of double bearing cap lightly using sealant AMV 174 004 01 , install and tighten to 10 Nm (pay attention to bushing). (Part numbers are for reference only. Always check with your Parts Department for the latest part number information).
Install remaining bearing cap and tighten to 10 Nm (pay attention to alignment bushing).

Fig 6: Identifying Camshaft Gear Thin Rib Toward Outside And TDC Marking Visible

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Install camshaft gear (thin rib toward outside and TDC marking visible) and tighten bolt to 65 Nm (use Retainer 3036 ).

Fig 7: Checking Position Of Camshafts To Each Other

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Check position of camshafts - arrows - to each other again.

The rest of assembly is basically a reverse of disassembling.

How to install toothed belt and adjust valve timing, refer to Toothed belt, removing, installing and tensioning .

NOTE:

After installing new valve lifters, the engine may not be started for approx. 30 minutes. The hydraulic equalization elements must seat themselves (otherwise the valves will crash into the pistons).