REMOVING THE BALANCER
EASB291275
1. Loosen:
• Balancer nut "1"
• Primary drive gear nut "2"
• Balancer weight gear nut "3"
TIP
Place an aluminum plate "a" between the teeth
of the balancer drive gear "4" and balancer
weight gear "5".
1
4
2
a
4
EASB291276
CHECKING THE PRIMARY DRIVE GEAR,
BALANCER SHAFT DRIVE GEAR, AND
BALANCER WEIGHT GEAR
1. Check:
• Primary drive gear "1"
• Balancer shaft drive gear "2"
• Balancer weight gear "3"
Wear/damage Replace.
OIL PUMP AND BALANCER GEAR
5
a
3
5
5-60
CHECKING THE BALANCER
EASB291277
1. Check:
• Balancer
Crack/damage Replace.
CHECKING THE OIL PUMP
EASB291278
1. Check:
• Oil pump drive gear
• Oil pump driven gear
• Oil pump housing
• Oil pump housing cover
Cracks/damage/wear Replace the defec-
tive part(s).
2. Measure:
• Inner-rotor-to-outer-rotor-tip clearance "a"
• Outer-rotor-to-oil-pump-housing clearance
"b"
• Oil-pump-housing-to-inner-rotor-and-outer-
rotor clearance "c"
Out of specification Replace the oil pump.
Inner-rotor-to-outer-rotor-tip
clearance
0.150 mm (0.0059 in)
Outer-rotor-to-oil-pump-housing
clearance
0.13–0.18 mm (0.0051–0.0071 in)
Oil-pump-housing-to-inner-and-
outer-rotor
clearance
0.06–0.11 mm (0.0024–0.0043 in)