Suzuki 2000 Grand Vitara SQ625 Service Manual page 271

1. Outer rotor
2. Inner rotor
1. Outer rotor
2. Inner rotor
NOTE:
When installing oil seal, press-fit it till its end face is flush
with oil pump case end face.
1. Oil seal
2. Oil pump case
_ Check outer and inner rotors, rotor plate, and oil pump case for
excessive wear or damage.
MEASUREMENT
_ Radial clearance
Check radial clearance between outer rotor and case, using thick-
ness gauge.
If clearance exceeds its limit, replace outer rotor or case.
Limit on radial clearance between outer rotor and case:
0.310 mm (0.0122 in.)
_ Side clearance
Using straight edge and thickness gauge, measure side clear-
ance.
Limit on side clearance: 0.15 mm (0.0059 in.)
ASSEMBLY
1) Wash, clean and then dry all disassembled parts.
2) Apply thin coat of engine oil to inner and outer rotors, oil seal lip
portion, and inside surfaces of oil pump case and plate.
3) Install outer and inner rotors to pump case.
ENGINE MECHANICAL (G16 ENGINE) 6A1-29