Camshaft Timing Chain, Removing and Installing

Camshaft Timing Chain, Removing and Installing





Special tools, testers and auxiliary items required

• Drift (T10060 A)

• Counter-holder tool (T10355)

• Assembly Tool 10352 (T10352)

• Securing pin (T40011)

• Torque Wrench (V.A.G 1331)

Removing

- Remove timing chain upper cover => [ Upper Timing Chain Cover, Removing and Installing ] Upper Timing Chain Cover, Removing and Installing.

CAUTION!
The control valve has a left thread.

- Remove the control valve using Assembly Tool 10352 (T10352) in the - direction of arrow -.





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





- Rotate the vibration damper using the Counter Hold Tool (T10355) into the "OT" position - arrow -.





• The notch on the vibration damper must line up with the arrow marking on the timing chain lower cover.

• The markings - 1 - on the camshafts must point upward.

- Remove the lower timing chain cover => [ Chain Drive ] Chain Drive.

- Press the oil pump chain tensioner in the - direction of the arrow - and secure it with a locking pin (T40011).





- Remove the oil pump chain tensioner - 1 -.

- Remove the oil pump chain tensioner.

- Using a screwdriver, lift the chain tensioner locking wedge in the - direction of arrow 1 -, press the timing chain tensioning rail in the - direction of arrow 2 - and secure it with Locking Pin (T40011).





- Remove the timing chain tensioning rail - 2 -.





• The intake camshaft switches in the engine direction of rotation

- Remove the timing chain.

Installing

• Tightening specifications => [ Camshaft Timing Chain, Assembly Overview ] Camshaft Timing Chain, Assembly Overview.

• The following must be performed in one sequence; 2 technicians are necessary.

• The painted links of the timing chain must be positioned on the markings on the chain sprockets.

• Hold the wrench until the tensioning rail is installed.

- Mount the timing chain on the exhaust camshaft.





- Mount the timing chain on the crankshaft.

- Turn the intake camshaft using the wrench in the - direction of the arrow - and mount the timing chain.

- Install the timing chain tensioning rail and tighten the bolt - 2 -.





- Mount the bearing bracket and hand tighten the bolts - arrows -.





- Remove the locking pin (T40011).

- Tighten the bearing bracket bolts - arrows -=> [ Camshaft Timing Chain, Assembly Overview ] Camshaft Timing Chain, Assembly Overview.

The rest of the assembly is basically a reverse of the disassembling sequence.