REMOVAL AND INSTALLATION



Pre-removal operation
  • Engine Room Under Cover Front B and Engine Room Side Cover (RH) Removal (Refer to GROUP 51 - Under Cover ).
  • Radiator Condenser Tank Removal (Refer to GROUP 14 - Radiator <4B1> ).

Post-installation operation
  • Alternator and Others Belt Tension Check (Refer to ).
  • Radiator Condenser Tank Installation (Refer to GROUP 14 - Radiator <4B1> ).
  • Engine Room Under Cover Front B and Engine Room Side Cover (RH) Installation (Refer to GROUP 51 - Under Cover ).





Removal steps
<<A>>

1.
Alternator and others belt
<<B>>
>>A<<
2.
Crankshaft pulley centre bolt
<<B>>
>>A<<
3.
Crankshaft pulley washer
<<B>>
>>A<<
4.
Crankshaft pulley

REMOVAL SERVICE POINTS



<<A>> ALTERNATOR AND OTHERS BELT REMOVAL


To introduce the serpentine drive system with the alternator drive belt auto-tensioner, the following operations will be required.


1.
caution To reuse the alternator and others belt, draw an arrow indicating the rotating direction on the back of the alternator and others belt using chalk to install the same direction.
Rotate the pulley bolt of the alternator drive belt auto-tensioner anti-clockwise with an offset wrench [recommendation: 45 degrees, a long offset wrench (5/8 x 11/16 inches)], and insert the hexagon wrench into the alternator drive belt auto-tensioner hole to fix the alternator drive belt auto-tensioner.
2.Remove the alternator and others belt.

<<B>> CRANKSHAFT PULLEY CENTRE BOLT/CRANKSHAFT PULLEY WASHER/CRANKSHAFT PULLEY REMOVAL



1.Use the following special tools to support the crankshaft pulley:

  • Front hub and flange yoke holder (MB990767)
  • Pin (MD998719)
2.Loosen the crankshaft pulley centre bolt and remove the crankshaft pulley washer and crankshaft pulley.

INSTALLATION SERVICE POINT



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



1.Wipe off the dirt on the crankshaft sprocket, crankshaft and crankshaft pulley as shown in the figure using a rag, and then degrease the areas.
note Degrease them to prevent drop in the friction coefficient of the pressed area which is caused by oil adhesion.
2.Install the crankshaft pulley.
3.Wipe off the dirt on the crankshaft pulley washer and the crankshaft pulley centre bolt as shown in the figure using a rag.
4.Apply an adequate and minimum amount of engine oil to the thread of the crankshaft pulley centre bolt and the lower area of the flange.

5.Use the following special tools as during removal to support the crankshaft pulley:

  • Front hub and flange yoke holder (MB990767)
  • Pin (MD998719)
6.Tighten the crankshaft pulley centre bolt to the specified torque.
Tightening torque: 210 N·m