INSPECTION

2.2L Engine

NOTE: The crescent referred to in these procedures is the crescent-shaped slinger between the inner and outer pump gears.

OUTER GEAR TOOTH TIP TO CRESCENT CLEARANCE

Check this clearance with a feeler gauge. If the clearance exceeds 0.33mm (0.01299 in.), replace the gear.

INNER GEAR TOOTH TIP TO CRESCENT CLEARANCE

Check this clearance with a feeler gauge. If the clearance exceeds 0.40mm (0.01575 in.), replace the gear.

SIDE CLEARANCE

Lay a straightedge across the pump body and, using a feeler gauge, measure between the gear faces and straightedge. If the clearance exceeds 0.10mm (0.003937 in.), replace the pump.

OUTER GEAR TO PUMP BODY CLEARANCE

Insert a feeler gauge between the outer gear and the pump body. If the clearance exceeds 0.20mm (0.00787 in.), replace the gear or pump body.

2.6L Engine (1987-88)

1. Thoroughly clean all parts in a safe solvent and check for wear and damage.
2. Clean all orifices and passages.
3. Place the gear back in the pump body and check clearances.
   • Gear teeth-to-body: 0.10–0.15mm (0.0039–0.0059 in.)
   • Driven gear end play: 0.06–0.12mm (0.0024–0.0047 in.)
   • Drive gear-to-bearing (front end): 0.020–0.045mm (0.00079–0.00177 in.)
   • Drive gear-to-bearing (rear end): 0.043–0.066mm (0.00169–0.00259 in.)

   NOTE: If gear replacement is necessary, the entire pump body must be replaced.

4. Check the relief valve spring for wear or damage.

   1987 –88

5. Free length: 47mm (1.85 in.)
6. Load/length: 9.5 lb @ 40mm (1.5748 in.)

   1989 –93

7. Relief valve spring free length: 46.4mm (1.8267 in.)
8. Rotor side clearance: 0.01mm (0.00039 in.)
9. Tooth tip clearance: 0.18mm (0.00708 in.)
10. Outer rotor-to-pump body: 0.20mm (0.00787 in.)