Camshafts, removing and installing: Removing

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Remove engine cover.
Remove upper toothed belt guard.

Fig 1: Marking On Camshaft Gear Aligned With Marking On Cylinder Head Cover

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Bring camshaft gear to marking for TDC cylinder 1 by turning crankshaft. Marking on camshaft gear must be flush with marking on cylinder head cover.
Remove cylinder head cover.
Remove toothed belt from camshaft gear, refer to Toothed belt, removing, installing and tensioning .
Turn crankshaft back slightly.

Remove camshaft sprocket. To loosen bolt, counterhold camshaft gear using retainer 3036.
Remove Hall sensor housing.
Remove washer and cover for Hall sensor.

Fig 2: Drive Chain And Camshaft Chain Sprockets Marked Installed Positions

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Clean drive chain and camshaft chain sprockets - arrows - across from both on bearing caps and mark installed position with a color marking.

NOTE:

Do not mark chain using a center punch or similar means!
The distance between both - arrows - or colored markings consists of 16 rollers of the drive chain.

Fig 3: Securing Camshaft Adjuster Or Chain Tensioner Using Bracket For Chain Adjustment 3366

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Secure camshaft adjuster or chain tensioner using Bracket for Chain Adjustment 3366.

NOTE:

Hydraulic chain tensioner can be damaged if Bracket for Chain Adjustment 3366 is tightened too hard.

Fig 4: Identifying Bearing Cap Positions

Courtesy of VOLKSWAGEN UNITED STATES, INC.

First remove bearing caps 3 and 5 from intake and exhaust camshafts.
Remove double bearing cap.
Remove both bearing caps from chain sprocket on intake and exhaust camshafts.
Remove securing bolts of camshaft adjuster/chain tensioner.

Alternating in diagonal sequence, loosen bearing caps 2 and 4 of intake and exhaust camshafts and remove.
Remove intake and exhaust camshafts with camshaft adjuster or chain tensioner and Bracket for Chain Adjustment 3366.