C70 L5-2.4L Turbo VIN 63 B5244T7 (2003)
Tighten the timing belt
This adjustment is carried out on a cold engine. A suitable temperature is approximately 20°C/68°F.
At a higher temperature, for example with a warm engine or a higher ambient temperature, the needle is further to the right.
The illustration shows the position of the indicator when aligning the timing belt tensioner at different temperatures.
Hold the centre screw secure and turn the eccentric on the belt tensioner anti-clockwise until the tensioner indicator reaches the limit position.
Tighten the three screws securing the timing gear pulley for the exhaust camshaft to the variable valve timing unit. Tighten to 10 Nm .
Install the third screw at the timing gear pulley for the intake camshaft. Tighten the screws. Tighten to 20 Nm .
Note! The VVT unit must not be released from the limit position until after the timing gear pulleys have been tightened.
Turn the eccentric back (clockwise) so that the indicator reaches the marked position in the centre of the window. Remember to hold the centre screw
secure at the same time.
Hold the eccentric secure and tighten the centre screw. Tighten to 20 Nm .
Check that the indicator is in the correct position.
Remove
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the camshaft adjustment tools 999 5451 ADJUSTMENT TOOL See: Tools and Equipment/999 5451 Adjustment Tool
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the crankshaft stop 999 5452 CAMSHAFT ADJUSTMENT TOOL See: Tools and Equipment/999 5452 Camshaft Adjustment Tool
Install the plug with a new blind cover plug . Tighten to 40 Nm .
