Suzuki 2000 Grand Vitara SQ416, Service Manual

Page: 271 / 729

YH4
GRAND
VITARA
1. Oil seal
2. Oil pump case
1. Outer rotor
2. Inner rotor
1. Outer rotor
2. Inner rotor
ENGINE MECHANICAL (G16 ENGINE) 6A1-29
NOTE:
When installing oil seal, press-fit it till its end face is flush
with oil pump case end face.
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.