Valve timing, checking: Checking

WARNING: This page is about a different car, the 1999 Volkswagen Jetta, 1998 Volkswagen Jetta, and 1997 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Remove upper toothed belt guard and cylinder head cover.
Check toothed belt tension.
Rotate crankshaft to TDC for cylinder 1 (arrow).

Fig 1: Rotating Crankshaft To TDC For Cylinder 1
- Setting bar 2065A must fit into slot in camshaft.

If not, adjust valve timing as follows:

Rotate camshaft until setting bar can be inserted.
Position camshaft with 2065A setting bar:
- Turn camshaft until one end of bar contacts cylinder head, then use feeler gauge to measure gap at other end of bar.
- Place another feeler gauge (thickness = 1/2 measured gap) between setting bar and cylinder head.
- Turn camshaft until setting bar contacts feeler gauge, then place another feeler gauge of equal thickness at other side, between setting bar and cylinder head.
Loosen camshaft sprocket mounting bolt one - half turn.
Place drift through hole in rear belt guard, and use hammer to release sprocket from tapered camshaft with careful tap.
Lock Diesel injection pump sprocket using pin 2064

Fig 2: Locking Diesel Injection Pump Sprocket Using Pin 2064
Check to make sure that TDC mark on flywheel and reference mark on transmission housing are aligned (arrow).

Fig 3: Checking TDC Mark On Flywheel And Reference Mark On Transmission Housing Are Aligned

If markings do not align, set crankshaft to TDC for cylinder 1.
Remove locking pin.
Tighten camshaft sprocket mounting bolt.
Tightening torque: 45 Nm (33 ft lb)
Remove setting bar from camshaft.
Dynamically check start of injection, see START OF INJECTION, DYNAMICALLY CHECKING AND ADJUSTING .
Check and erase DTC memory, see ERASE DTC MEMORY (SCAN TOOL FUNCTION 05) .
Re-create readiness code, see READINESS CODE, SETTING (UP TO M.Y. 1997) .