XC90 L5-2.5L Turbo VIN 59 B5254T2 (2004)
Timing gear pulleys with variable valve timing unit
Check that the screws holding the timing gear pulley to the variable valve timing unit have been slackened off.
Press the variable valve timing unit and timing gear pulley onto the camshaft.
Install the centre screw which secures the variable valve timing unit to the camshaft. Do not tighten.
Position the upper timing cover.
Turn the timing gear pulley clockwise until the screws at the oval holes are in their respective limit positions.
Hold the variable valve timing unit. Turn clockwise until the timing gear pulley marking is 1 cog before the marking on the upper timing cover.
Check that the timing gear pulley is still in the limit position in the oval holes.
Tighten the centre screw for the variable valve timing (VVT) unit. Tighten to 120 Nm.
Note! Check that the VVT unit does not rotate when tightening.
Install the centre plug. Tighten to 35 Nm.
Timing gear pulleys without variable valve timing units
Install the timing gear pulley on the camshaft with two screws. Do not tighten.
Adjust the timing gear pulley so that the markings on the timing gear pulley and the upper timing cover correspond.
Installing the timing belt
