Oil Pump
- Remove oil pan as previously outlined. Remove oil pump, separate cover from housing and remove inner and outer rotors.
- Thoroughly clean and inspect all components. Check clearance between outer rotor and pump housing. Check clearance between inner and outer rotors.
- Check clearance between rotors and cover using a straight edge on pump housing. If clearances are excessive, replace rotors, housing or cover as necessary.
- Lubricate all components and assemble pump. Install cover on pump and position pump to crankcase. Evenly tighten bolts and install oil pan as previously outlined.
OIL PUMP SPECIFICATIONS
| Application | Measurement | |
|---|---|---|
| Rotor-to-Housing Clearance | .010" (.254 mm) | |
| Rotor-to-Rotor Clearance | .001-.004" (.025-.102 mm) | |
| Rotor Endplay (Rotor-to-Cover) | .004" (.102 mm) | |
| Regulator Valve Spring | ||
| Free Length | 1.53" (40 mm) | |
| Spring Rate | 53 Ib./in. (9466 gm/cm) | |