Camshaft Timing Chain, Removing And Installing: Removing

-- Perform a service position. Refer to SERVICE POSITION, PERFORMING AND RESETTING .

-- Remove the upper timing chain cover. Refer to UPPER TIMING CHAIN COVER, REMOVING AND INSTALLING .

CAUTION:

The control valve has a left thread.

-- Remove the control valve in direction of -arrow- with the Central Valve Assembly Tool T10352 or Central Valve Assembly Tool T10352/1, depending on the version.

Fig 1: Identifying Assembly Tool T10352 To Remove Control Valve

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and remove the bearing bracket.

Fig 2: Bearing Bracket Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Rotate the vibration damper using the Counterhold - Vibration Damper T10355 into the "Top Dead Center (TDC)" position.

Fig 3: Identifying Markings -1- On Camshafts Aligned To Point Upward

Courtesy of AUDI OF AMERICA, LLC

The notch on the vibration damper and the marking on the lower cover for timing chain must be opposite one another -arrow-.
The markings -1- on the camshafts must point upward.

-- Remove the lower timing chain cover. Refer to LOWER TIMING CHAIN COVER, REPLACING .

-- Press the oil pump chain tensioner in direction of -arrow- and secure it with a Locking Pin (3 pc.) T40011.

Fig 4: Identifying Oil Pump Chain Tensioner And Locking Pin T40011

Courtesy of AUDI OF AMERICA, LLC

-- Remove the oil pump chain tensioner -1-.

-- Remove the oil pump drive chain.

-- Remove the bolts -arrows-.

Fig 5: Identifying Bolts

Courtesy of AUDI OF AMERICA, LLC

Two Different Chain Tensioners May Be Installed Depending On the Version

Fig 6: Identifying Lever T40243 -Arrows-, Installation

Courtesy of AUDI OF AMERICA, LLC

Version 1

-- Install the Chain Tensioner Lever T40243 -arrows-.

-- Lift the chain tensioner locking wedge by inserting a scriber or a suitable screwdriver into the hole of the chain tensioner in direction of -arrow 1- and hold it there.

-- Slowly press and hold the Chain Tensioner Lever T40243 in direction of -arrow 2-.

-- Secure the chain tensioner using the Locking Pin (3 pc.) T40011.

Fig 7: Chain Tensioner Using Locking Pin T4001

Courtesy of AUDI OF AMERICA, LLC

Version 2

Fig 8: Identifying Lever T40243 -Arrows-, Installation

Courtesy of AUDI OF AMERICA, LLC

-- Install the Chain Tensioner Lever T40243 -arrows-.

-- Press the chain tensioner locking ring -1- together and hold it.

-- Slowly press and hold the Chain Tensioner Lever T40243 in the direction of -arrow-.

-- Secure the chain tensioner with the Tensioner Locking Tool T40267.

Fig 9: Securing Chain Tensioner With T40267

Courtesy of AUDI OF AMERICA, LLC

All Versions

Fig 10: Bolt Camshaft Locating Tool

Courtesy of AUDI OF AMERICA, LLC

-- Remove the Chain Tensioner Lever T40243.

-- Bolt the Camshaft Locks - Component 2 T40271/2 to the cylinder head and push the chain sprocket splines in the direction of -arrow 2-. If necessary, turn the intake camshaft with a wrench in direction of -arrow 1-.

-- Remove the timing chain tensioning rail -2-.

Fig 11: Identifying Camshaft Timing Chain Components

Courtesy of AUDI OF AMERICA, LLC

-- Install the Camshaft Lock - Component 1 T40271/1 on the cylinder head.

Fig 12: Attach T40271/1 To Cylinder Head

Courtesy of AUDI OF AMERICA, LLC

-- Turn the exhaust camshaft with the wrench in the direction of -arrow 1- and slide the Camshaft Locks T40271/1 into the chain sprocket splines in direction of -arrow 2-.

-- Remove the upper guide track -arrow- by unlocking the latch with a screwdriver and pushing the guide track forward.

Fig 13: Identifying Upper Guide Track

Courtesy of AUDI OF AMERICA, LLC

-- Remove the guide rail for the camshaft timing chain -1-.

Fig 14: Identifying Camshaft Timing Chain Components

Courtesy of AUDI OF AMERICA, LLC

-- Remove the timing chain.