With Mechanical Tensioner

Caution: Incorrect removal or installation of the timing belt can result in damage to internal engine components.

For complete procedures refer to Timing Belt : Service and Repair : Replacing the Timing Belt/Idler Pulley/Belt Tensioner Service and Repair

CAUTION! Do not rotate crankshaft or camshaft with timing belt removed. Pistons and/or valve damage can occur.

Note: Volvo changed the camshaft alignment (timing) marks during the 1998 model year. This vehicle will use one of the following setups.

With Straight Up Camshaft Alignment Marks




With Angled Camshaft Alignment Marks




Note: Make sure that rear upper timing cover is in place and that the alignment mark on it has not been broken off.


Note: If camshaft gears have been removed, special tools must be use to properly set engine timing. (Crankshaft Locking Tool - 999 5451 & Camshaft Locking Tool - 999 5452) For complete procedures refer to Cylinder Head Assembly : Service and Repair : Cylinder Head Removal and Installation [1][2]Procedures