Replacing the toothed belt

■ Disconnect the battery from the vehicle's electrical system.

■ Remove the air filter.

■ Remove the cover from the clutch housing.

■ Remove the V-belt.

■ Remove the lower and upper toothed belt covers.

■ Unscrew the camshaft housing cover.

■ Remove the vacuum pump.

■ Turn the crankshaft clockwise to “make it right” setting marks on flywheel and injection pump. The crankshaft can be turned with a wrench placed on the pulley bolt or by rolling the car with it turned on 4. running.

■ Piston 1. cylinder goes to position ZZ. when the valves have passed 4 cylinder. In this setting, it will be possible to replace the vacuum pump with a special tool Opel * KM-537. The camshaft must then be stationary.

■ Remove the bolt securing the gear to the camshaft.

■ Loosen the bolts securing the coolant pump.

■ With the Opel-KM tool -509, tilt the pump counterclockwise and release the toothed belt. Alternator can also be disassembled and the pump can be tilted with a flat spanner 41 Mm.

■ Disconnect the right front engine support from the crossbar.

■ Move the engine away from the crossmember. Remove the toothed belt from the pulleys and pass between the crossbar and the engine mounting.

■ Check before attaching the belt, whether the alignment signs did not change their position.

■ Pull the new belt between the crossbar and the engine support and fit it on the gears.

■ Attach the engine to the crossmember.

■ Tighten the toothed belt.

■ Tighten the bolts securing the coolant pump to the torque 8 N m m.

■ Check position of alignment marks and correct if necessary.

■ Holding the camshaft with an open-end wrench, tighten the gear bolt (tightening torque 90 N m m).

■ Check valve timing.

■ Check injection pump delivery start.

■ Install the vacuum pump.

■ Screw on the camshaft housing cover.

■ Fit lower and upper toothed belt covers.

■ Position the V-belt and tighten it,

■ Install the clutch housing cover.

■ Install the air filter and connect the battery.