For Engine Serial No. Up To 3188688

Fig 1: Belt Between Intake Camshaft Pulley, Idler Pulley And Crankshaft

Courtesy of VOLVO CARS OF NORTH AMERICA.

Tension the timing belt as follows: 

• turn the crankshaft clockwise carefully until the timing belt is tensioned. The belt must be tensioned between the intake camshaft pulley, the idler pulley and the crankshaft
• hold the center screw on the belt tensioner fixed. Turn the belt tensioner eccentric counter-clockwise  until the tensioner indicator passes the marked position.

  Then turn the eccentric back so that the indicator reaches the marked position in the center of the window

• Secure the eccentric and tighten the center screw to 20 Nm  .

Check that the indicator is in the correct position.