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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 3189

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This adjustment is always carried out on a cold engine. A suitable temperature is approximately 20 degree C.

At higher temperatures (with the engine at operating temperature or a high outside temperature for example) the indicator is further to the right.

The illustration shows the position of the indicator when aligning the timing belt tensioner at different temperatures.

Hold the center screw secure and turn the belt tensioner eccentric counter-clockwise until the tensioner indicator passes the marked position.

NOTE:  Check that the variable valve timing unit is in its limit position.

Tighten the three screws at the intake camshaft timing gear pulley. Tighten to 10 Nm.

Tighten the three screws at the exhaust camshaft timing gear pulley. Tighten to 20 Nm.

Engine, Cooling and Exhaust > Engine > Tune-up and Engine Performance Checks > Valve Clearance > System Information > Adjustments > Checking Valve Clearance > Page 3189

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