5.2.
Engine Timing Adjustment
5.2.1. Engine timing adjustment requires the removal and refitting of
the camshaft timing chain. Therefore, the following procedure
is applicable to timing chain replacement as well as engine
timing adjustment
.
5.2.5. Rotate the auxiliary belt tensioner in an anti-clockwise
direction to release tension from the belt. Retain the tensioner
in position using VS5125-08 Auxillary Belt Tensioner Locking
Pin and remove the auxiliary belt.
Remove the auxiliary belt tensioner and the auxiliary belt idler
pulley.
5.2.2. Using the appropriate tool from VS5125-03, -04 or- 05,
Camshaft Control Valve Tools, remove the control valve from
the Inlet camshaft.
5.2.3. Remove the retaining bolt and washer from the exhaust
camshaft.
5.2.4. Remove the bearing saddle.
WARNING!
The control valve has a LEFT HAND THREAD.
Rotate the tool in a clockwise direction to remove the valve.
IMPORTANT:
A gauze filter and ball bearing are located at
the rear of the bearing saddle. Take care not to allow these or
any other components to fall into the chain drive assembly or
the engine sump when removing or fitting the bearing saddle.
NOTE:
An inspection of the camshaft
diameters and the bores of the
bearing saddle can be performed at
this point. A technical product infor
-
mation notice (TPI) was issued by
VW group regarding of failure of the
gauze filter & ball bearing assembly,
leading to blocked oil-ways and
damaged bearing saddle &
camshafts.
Original Language Version
© Jack Sealey Limited
VS5125 Issue: 3 - 22/03/17
