REMOVAL AND INSTALLATION



Pre-removal Operation
  • Radiator Shroud Cover (Upper) Removal (Refer to GROUP 14 - Radiator ).

Post-installation Operation
  • Drive Belt Tension Check and Adjustment (Refer to ).
  • Radiator Shroud Cover (Upper) Installation (Refer to GROUP 14 - Radiator ).





Removal steps
<<A>>

1.
A/C compressor drive belt
<<B>>
>>B<<
2.
Alternator drive belt
<<C>>
>>A<<
3.
Crankshaft pulley centre bolt

>>A<<
4.
Crankshaft pulley washer

>>A<<
5.
Crankshaft pulley

REMOVAL SERVICE POINTS



<<A>> A/C COMPRESSOR DRIVE BELT REMOVAL



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.
Rotate the adjusting bolt to the anti-clockwise direction (to the left), and remove the drive belt.

<<B>> ALTERNATOR DRIVE BELT REMOVAL



1.Loosen the nut for alternator pivot bolt and locking bolt.
2.
caution To reuse the drive belt, draw an arrow indicating the rotating direction (clockwise) on the back of the belt using chalk, etc.
Rotate the adjusting bolt to the anti-clockwise direction (to the left), and remove the drive belt.

<<C>> CRANKSHAFT PULLEY CENTRE BOLT REMOVAL



1.
caution Use only the specified special tools, or a damaged pulley damper could result.
Use the following special tools to hold the crankshaft pulley.

  • Pulley holder (MB991800)
  • Crank pulley holder (MB992100)
2.Loosen the crankshaft pulley centre bolt and remove the crankshaft pulley washer and crankshaft pulley.

INSTALLATION SERVICE POINTS



>>A<< CRANKSHAFT PULLEY/CRANKSHAFT PULLEY WASHER/CRANKSHAFT PULLEY CENTRE BOLT INSTALLATION



1.Wipe off the dirt on the crankshaft and the crankshaft pulley as shown in the figure using a rag.
2.Wipe off the dirt on the crankshaft and crankshaft pulley as shown in the figure using a rag, and then degrease the areas.
note Degreasing is necessary to prevent decrease in the friction between contacting surfaces.
3.Install the crankshaft pulley.
4.Wipe off the dirt on the crankshaft pulley washer and the crankshaft pulley centre bolt as shown in the figure using a rag.
5.Apply an appropriately small amount of oil to the threads and seating surface of the crankshaft pulley centre bolt.

6.
caution Use only the specified special tools, or a damaged pulley damper could result.
Use the following special tools to stop the crankshaft pulley from turning in the same way as was done during removal.

  • Pulley holder (MB991800)
  • Crank pulley holder (MB992100)
7.
caution
  • When the tightening angle is smaller than the specified tightening angle, the appropriate tightening capacity cannot be secured.
  • When the tightening angle is larger than the specified tightening angle, remove the bolt to start from the beginning again according to the procedure.
Tighten the crankshaft pulley centre bolt according to the procedure below.
(1) Tighten the crankshaft pulley centre bolt to 50 N·m.
(2) Tighten the crankshaft pulley centre bolt 90 degree angle.
(3) Loosen the crankshaft pulley centre bolt fully.
(4) Tighten the crankshaft pulley centre bolt to 50 N·m.
(5) Tighten the crankshaft pulley centre bolt 90 degree angle.

>>B<< ALTERNATOR DRIVE BELT INSTALLATION


caution When replacing the alternator drive belts with new belts, always replace two belts simultaneously.