Oil Pump Inspection - Suzuki Jimny Workshop Manual
1E
Oil Pump Inspection
Oil Seal (Without VVT)
Check oil seal lip for fault or other damage. Replace as necessary.
NOTE:
When installing new oil seal (1), press-fit it till its end face is flush with oil pump case (2) end face.
Oil Seal (With VVT)
Check oil seal lip for fault or other damage. Replace as necessary.
Oil Pump Assembly
•
Check outer (1) and inner rotors (2), rotor plate, and oil pump case for excessive wear or damage.
•
Check relief valve (1) for excessive wear or damage and operates smoothly.
Radial clearance
Check radial clearance between outer rotor (1) and case (2), using thickness gauge (3).
If clearance exceeds its limit, replace outer rotor or case.
Radial clearance between outer rotor and case for oil pump
Limit: 0.310 mm (0.0122 in.)
Side clearance
Using straightedge (1) and thickness gauge (2), measure side clearance.
Side clearance for oil pump inner rotor
Limit: 0.15 mm (0.0059 in.)
Relief valve spring free length and load
Check relief valve spring free length and load as shown in figure.
If the measured valve spring length is lower than the specification, replace relief valve spring.
| Standard | Limit | |
|---|---|---|
| Free length |
52.4 mm
(2.06 in.) |
— |
|
Load at spring length
38.5 mm (1.52 in.) |
77 N
(7.7 kgf, 17.0 lb) |
69 N
(6.9 kgf, 15.0 lb) |