Operation CHARM: Car repair manuals for everyone.

Removal





Timing Chains

ALLDATA Editor Note: Volkswagen does not provide a step by step timing chain removal procedure. The procedure depicted below is for the BJS engine, the BDF is similar.


Special tools and workshop equipment required

Camshaft Bar -T10068 A-
Counternut-Holder Tool -T10069-
Torque Wrench (5-50 Nm) -V.A.G 1331-
Torque Wrench (40-200 Nm) -V.A.G 1332-
Silicone Adhesive Sealant -D 176 501 A1-

Removing the camshaft timing chain:

- Remove the transmission.

Remove the dual-mass flywheel.

- Remove the oil pan.

- Remove the intake manifold. Service and Repair

- Remove the cylinder head cover.

- Remove the coolant thermostat housing.





- Disconnect the connecting hose -3- and the vacuum hose 2- from the Secondary Air Injection (AIR) combination valve.

- Reposition the clamp -1- and remove the coolant hose.





- Mark and disconnect the electrical connectors.
1. - Camshaft position sensor -G40-
2. - Camshaft position sensor 2 -G163-
3. - Camshaft adjustment valve 1 -N205-
4. - Exhaust camshaft adjustment valve 1 -N318-





- Rotate the crankshaft using the vibration damper bolt, in engine rotation direction to the Top Dead Center (TDC) cylinder mark -arrow-.





- The camshaft lobes -A- for cylinder 1 face each other.





- Install the camshaft bar -T10068 A- into both camshaft grooves. If necessary, slightly rotate the camshaft back and forth using an open end wrench.





- Remove the chain tensioner -arrow-.





- Remove the bolts -1 through 3- and remove the cover horizon from cylinder head. Take care not to damage the cylinder head gasket in the process.





- Remove the bolts and remove the sealing flange -arrow- horizontally from the cylinder block. Take care not to damage the cylinder head gasket in the process.

- Remove the seal seal from the sealing flange.

- Remove the camshaft bar -T10068 A-.





- Loosen and remove the sprocket bolt -arrow-.





- Secure the vibration damper using the counter -hold tool- T10069- when doing so.

- Remove the small sprocket and the camshaft timing chain.

- Carefully remove the camshaft timing chain from behind the cylinder head gasket rib.





Removing the oil pump timing chain from the intermediate shaft:

- Remove the chain tensioner with tensioner rail bolts -arrows-.

- Remove the large sprocket and the oil pump timing chain.

Note: If the camshaft adjuster and the guide rail must also be replaced, perform the replacements before the timing chain is reinstalled.