REMOVAL AND INSTALLATION

Removal steps 1. Timing belt front upper cover, right 2. Timing belt front upper cover, left 3. Timing belt front lower cover 4. Engine support bracket, right 5. Crank angle sensor cover <Vehicles without Electronically-controlled 4WD> 6. Crank angle sensor 7. O-ring <<A>> >>D<< 8. Auto-tensioner <<B>> >>E<< 9. Timing belt 10. Tensioner arm <<C>> >>C<< 11. Idler pulley >>B<< 12. Crankshaft sprocket 13. Key <<D>> >>A<< 14. Camshaft sprocket bolt 15. Camshaft sprocket 16. Timing belt rear cover

1.Remove the upper tightening bolt of the auto-tensioner. 2. caution The auto-tensioner rotates centring on the flange bolt due to the rod thrust, so please make sure your finger is not trapped. Slowly loosen the (lower) tightening bolts of the auto-tensioner. Remove the auto-tensioner rod from the tensioner arm and tilt the auto-tensioner to the stopper position. 3.Remove the lower tightening bolt of the auto-tensioner.

Mark the belt running direction for reference in reinstallation. note If there is oil or water on any part, check the front case oil seal, camshaft oil seal, and water pump for leaks. note After the timing belt is removed, do not turn the crankshaft sprocket and the camshaft sprocket.

caution Because of the shallow hexagon hole of the hexagon socket head bolt, firmly insert the tool and carefully work not to damage the hexagon hole. Remove the idler pulley using a hexagon wrench with 8 mm width across flats.

Use special tools End yoke holder (MB990767) and Pins (MD998719) to prevent the camshaft sprocket from turning, and then loosen the camshaft sprocket bolt.

Use special tools End yoke holder (MB990767) and Pins (MD998719) to prevent the camshaft sprocket from turning, and then tighten the camshaft sprocket bolt. Tightening torque: 90 ± 10 N·m

1.Clean the hole in the crankshaft sprocket. 2.Clean and degrease the mating surfaces of the crankshaft sprocket. note Degreasing is necessary to prevent decrease in friction on the mating surfaces. 3.Install the crankshaft sprocket to the crankshaft.

caution Because of the shallow hexagon hole of the hexagon socket head bolt, firmly insert the tool and carefully work not to damage the hexagon hole. Install the idler pulley using a hexagon wrench with 8 mm width across flats.

caution Always bleed the auto-tensioner of air before installing the auto-tensioner. (Refer to auto tensioner inspection .)

1.Check the timing marks of the crankshaft sprocket and the camshaft sprocket are aligned with the No.1 at the Top Dead centre of the compression stroke. If they are not, align the timing marks again, paying attention to the interference between the valve and the piston. 2.Install the timing belt on each sprocket in the following sequence. (1) Install the timing belt on the crankshaft sprocket and then on the water pump pulley, while tightening it to prevent slackness. (2) Line up the timing marks of the left bank camshaft sprockets. (3) Install the timing belt on the idler pulley, while taking up the slack. (4) Install the timing belt on the right bank camshaft sprocket. (5) Install the timing belt on the tensioner pulley. 3.Check to see that the timing marks of all the sprockets are in a alignment. 4.Pull out the pin of the auto-tensioner. 5.Using special tool Crankshaft wrench (MD998716), rotate the crankshaft two turns clockwise and leave it alone for approximately five minutes.

6.Check that the projection of the rod of the auto-tensioner is within the standard value. Standard value: 9.1 - 13.4 mm