Volvo Workshop Manuals
XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)
Powertrain Management > Tune-up and Engine Performance Checks > Valve Clearance > System Information > Adjustments > Checking Valve Clearance > Page 3869
the blind cover plug and the seal washer.
Turn the crankshaft slightly clockwise.
Install the crankshaft stop 999 5451 Ensure that it bottoms out against the cylinder block.
Turn the crankshaft counter-clockwise until it stops against the crankshaft stop.
Check that the marking on the crankshaft timing gear pulley corresponds with the marking on the oil pump.
Installing The Timing Gear Pulley For The Camshafts
NOTE: The purpose of the section, Installing the VVT unit/timing gear pulley, described here is to ensure that the VVT unit is correctly positioned and
Timing Gear Pulleys With Variable Valve Timing Units
Press the variable valve timing unit/timing gear onto the camshaft.
Install the center screw which secures the variable valve timing unit to the camshaft. Tighten slightly.
Turn the variable valve timing unit counterclockwise as far as it will go.
Remove the center screw.
Position the upper timing cover.
Turn the timing gear pulley clockwise until the screws at the oval holes are in the limit position.
Continue turning clockwise until the timing gear pulley marking is 1 tooth before the marking on the upper timing cover.
CAUTION: Do not turn counter clockwise during this procedure.
Check that the timing gear pulley is still in its limit position at the oval holes.
|[PREV PAGE] [NEXT PAGE]|