Suzuki 2000 Grand Vitara SQ625 Service Manual page 349

1. Oil pump case No.1
2. Outer rotor
3. Inner rotor
4. Thickness gauge
1. Oil pump case No.1
2. Outer rotor
3. Inner rotor
4. Thickness gauge
5. Straightedge
D Measure free length and tension of oil relief spring.
Item
Spring free length
Spring preload
D Measure clearance of oil pump rotor and oil pump case.
Radial Clearance
Check radial clearance between outer rotor and case, using thick-
ness gauge.
If clearance exceeds its limit, replace oil pump assembly.
Limit on radial clearance between
outer rotor and case: 0.15 mm (0.0059 in.)
Side Clearance
Using straightedge and thickness gauge, measure side clear-
ance.
If clearance exceeds its limit, replace oil pump assembly.
Limit on side clearance: 0.11 mm (0.0043 in.)
ASSEMBLY
1) Wash, clean and then dry all disassembled parts.
2) Apply thin coat of engine oil to inner and outer rotors, and inside
surfaces of oil pump case.
ENGINE MECHANICAL (H25 ENGINE) 6A2-25
Standard
63.5 mm
(2.5 in.)
86.0 N for
52.0 mm
8.6 kg for
52.0 mm
62.2 lb/
2.05 in.