Camshaft Adjuster

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required

Socket -T40080-
Camshaft Clamp -T10252-
Toothed Belt Tensioner -T10020-
Locking Pin -T10115-
Torque Wrench (40-200 Nm) -V.A.G 1332-

Removing

-- Remove the high pressure pump. Refer to HIGH PRESSURE PUMP .

-- Remove the cylinder head cover. Refer to CYLINDER HEAD COVER .

-- Remove the coolant hoses -1 and 2- and the bolt -3- and then remove the coolant pipe from the heat shield.

Fig 1: Identifying Coolant Hoses

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-- Remove the wire bracket bolt -arrow-.

Fig 2: Identifying Cable Bracket Bolt

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-- Remove the housing bolts -arrows-.

Fig 3: Identifying Cover From Camshaft Adjuster

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-- Bring the mark on the camshaft sprocket to alignment with the mark on the toothed belt guard. The recesses -arrows- in the camshafts now point to each other vertically.

Fig 4: Identifying Marking On Camshaft Gear Aligned With Marking On Toothed Belt Guard

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-- Install the camshaft clamp -T10252- as shown and secure it -arrows-.

Fig 5: Identifying Camshafts Secured Using Camshaft Locator T10252

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-- Loosen the camshaft adjuster bolt using the socket -T40080-.

-- Compress the chain tensioner -arrow A- and secure it using the locking pin -T10115- -arrow B-.

Fig 6: Identifying Chain Tensioner Compressed And Secured Using Locking Pin T10115

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-- Remove the camshaft adjuster bolt and then remove the adjuster and the chain.

Installing

Requirements:

The camshafts are secured using the camshaft clamp -T10252-.

Fig 7: Identifying Camshafts Secured Using Camshaft Locator T10252
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-- Place the chain onto the camshaft adjuster.

-- Hold the camshaft adjuster in front of the exhaust camshaft so that the notch -A- and pin -B- align.

Fig 8: Identifying Camshaft Adjuster & Exhaust Camshaft Notch And Pin

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-- Place the chain in this position onto the chain sprocket of the intake camshaft, first at the top -arrow-.

Fig 9: Identifying Intake Camshaft Chain Position

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-- Slowly rotate the intake camshaft using the toothed belt tensioner -T10020- in the -direction of the arrow A- until the camshaft adjuster fits onto the camshaft.

Fig 10: Identifying Intake Camshaft Slowly Turned With Toothed Belt Tensioner T10020

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NOTE:

If the pin does not fit into the notch: Remove the chain and place the chain on again.

-- Tighten the camshaft adjuster bolt to 20 Nm + 45° (1/8) additional turn. To do so, use the socket -T40080-.

-- Remove the locking pin -T10115- -arrow B-.

Fig 11: Identifying Chain Tensioner Compressed And Secured Using Locking Pin T10115

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Further installation is in the reverse order of removal.

-- Install the high pressure pump. Refer to HIGH PRESSURE PUMP .