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1.Loosen the locking nut of the tensioner pulley. 2.
| caution |
To reuse the drive belt, draw an arrow indicating the rotating
direction (clockwise) on the back of the belt using chalk, etc.
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Rotate the adjusting bolt to the anti-clockwise direction (to the left), and remove the
drive belt.
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The following operations will be needed due to the introduction of the serpentine drive
system with the auto tensioner. 1.Set the tool to the pulley bolt of auto tensioner, and then turn the auto tensioner
clockwise. 2.
| caution |
To reuse the drive belt, draw an arrow indicating the rotating
direction (clockwise) on the back of the belt using chalk, etc.
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Insert an L-shaped hexagon wrench, etc. into the hole to fix and then remove the drive
belt.
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1.Use the following special tools to hold the crankshaft pulley.
- Pulley holder (MB991800)
- Crank pulley holder (MB992100)
2.Loosen the crankshaft pulley bolt and remove the crankshaft pulley washer and crankshaft
pulley.
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3.If the crankshaft pulley cannot be removed from the crankshaft, follow the procedure
below. (1)
Install the crankshaft pulley bolt and crankshaft pulley washer to the crankshaft
pulley. At this time, the crankshaft pulley bolt must be loosened by 3 to 4 turns from the completely
tightened state. (2)
Using the special tools below, remove the crankshaft pulley.
- Crank pulley puller (MB992099)
- Crank pulley holder (MB992100)
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1.Clean the screw hole of the crankshaft, the crankshaft pulley, the crankshaft pulley bolt
and the crankshaft pulley washer. 2.Install the crankshaft pulley. 3.Apply an appropriate quantity of new engine oil to the thread of crankshaft pulley
bolt.
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4.In the same way as for removing, using the special tools below, support the crankshaft
pulley.
- Pulley holder (MB991800)
- Crank pulley holder (MB992100)
5.Tighten the crankshaft pulley bolt according to the procedure below. (1)
Tighten the crankshaft pulley bolt to the specified torque. Tightening torque: 265 N·m (2)
Loosen the crankshaft pulley bolt fully. (3)
Tighten the crankshaft pulley bolt to the specified torque again. Tightening torque: 275 N·m
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