Adjusting the timing belt

Fig 1: Identifying Needle Position At Varying Temperatures

Courtesy of VOLVO CARS OF NORTH AMERICA.

This adjustment is always carried out on a cold engine. A suitable temperature is approximately 20°C / 68°F.

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 clockwise until the tensioner indicator passes the marked position and reaches the limit position.

Tighten the 3 screws on the timing gear pulley for the exhaust camshaft. Tighten. See Tightening torque .

Tighten the 3 screws on the intake camshaft timing gear pulley. Tighten. See Tightening torque .

Fig 2: Identifying Belt Between Intake Camshaft Pulley, Idler Pulley And Crankshaft

Courtesy of VOLVO CARS OF NORTH AMERICA.

Turn the eccentric back so that the indicator reaches the marked position in the center of the window. Remember to hold the center screw secure at the same time.

Hold the eccentric secure. Tighten the center screw. See Tightening torque . Check that the indicator is in the correct position.

Fig 3: Identifying Camshaft Adjustment Tool 9995452 Installed

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove: 

• the camshaft adjustment tools
• the crankshaft stop. Install the plug with a new sealing washer. Tighten according to Summary of specific components and tightening torques .