Oil Pump: Inspection
WARNING: This page is about a different car, the 2003 Suzuki Grand Vitara and 2002 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
- Disassemble oil pump. Inspect outer rotor, inner rotor and oil pump case for wear and damage. Using straightedge and feeler gauge, measure rotor end clearance. Check side clearance between rotor tooth and housing.
- Check clearance between pressure regulator valve and bore. Measure free length and tension of oil relief spring. Replace components or entire assembly if not within specification. See OIL PUMP SPECIFICATIONS table.
OIL PUMP SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Rotor | ||
| Radial Clearance | .0059 (.150) | |
| Side Clearance | .0043 (.109) | |
| Relief Spring | ||
| Free Length | 2.5 (63.5) | |
| Spring Preload | 62 lbs. @ 2.05" (8.6 kg. @ 52.07 mm) | |