Tension the timing belt

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Needle Position At Varying Temperatures

Courtesy of VOLVO CARS OF NORTH AMERICA.

This adjustment is to be made with 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 indicator position when adjusting the camshaft belt tensioner at different engine temperatures.

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

Courtesy of VOLVO CARS OF NORTH AMERICA.

Tension the timing belt as follows

Carefully turn the crankshaft clockwise until the camshaft belt is tensioned.
The belt should be tight between intake camshaft pulley, the idler pulley and the crankshaft.
Hold the belt tensioner center screw secure and 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.
Hold the eccentric secure and tighten the center screw to 20 Nm (15 lb.ft) .

Check that the indicator is in the correct position.