Adjust the belt tensioner
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.
NOTE:
This adjustment is done 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 temperatures 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 engine temperatures.