S80 L5-2.5L Turbo VIN 59 B5254T2 (2004)
Turn the timing gear pulley until the screws at the oval holes are in the center position. Tighten the screws (2) slightly.
Turn the variable valve timing unit clockwise to its limit position so that the unit is in its end position.
Position the upper timing cover.
Undo the center screw and continue turning clockwise until the timing gear pulley marking aligns with the marking on the upper timing cover.
Tighten the center screw in the variable valve timing unit. Tighten.
Installing the timing belt
NOTE!
Variable valve timing units do not have return springs and are easilty thrown out of position when the camshaft belt is installed. Check that
the markings align.
Install the belt in the following order:
-
the idler pulley
-
intake cam
-
exhaust cam
-
water pump
-
tension pulley
Tensioning of Camshaft
