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XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)

Engine, Cooling and Exhaust > Engine > Tune-up and Engine Performance Checks > Valve Clearance > System Information > Adjustments > Checking Valve Clearance > Page 3188

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Tighten the center screw for the variable valve timing (VVT) unit. Tighten to 120 Nm. Check that the variable valve timing unit does not rotate when
tightening.

Install the center screw. Tighten to 35 Nm.

Timing Gear Pulleys Without Variable Valve Timing Units 
Install the timing gear pulley. Install the screws.

Install two screws without tightening. Allow the third screw to protrude.

Adjust the timing gear pulleys so that the markings on the timing gear pulleys/upper timing cover correspond.

Installing The Timing Belt 
Tighten the center screw on the belt tensioner. Tighten to 5 Nm.

Turn the variable valve timing unit clockwise to the stop.

Hold it secure in the limit position.

Install The Belt In The Following Order: 

-

crankshaft

-

the idler pulley

-

intake cam

-

exhaust cam

-

water pump

-

belt tensioner.

NOTE:  Adjust the timing gear pulleys so that the screws are not at a limit position in the oval holes. Also check that the markings correspond.

Tensioning The Timing Belt 

Engine, Cooling and Exhaust > Engine > Tune-up and Engine Performance Checks > Valve Clearance > System Information > Adjustments > Checking Valve Clearance > Page 3188

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