Oil Pump: Inspection
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1995 Ford RV Cutaway, 1995 Ford Pickup, 1995 Ford F-Super Duty, 1995 Ford Econoline, and 1995 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Clean all parts thoroughly. Check pump housing, outer rotor, inner rotor, shaft and pump cover for damage, scoring or excessive wear. See OIL PUMP SPECIFICATIONS table. Remove rotor assembly from pump housing. Using feeler gauge, measure inner-to-outer rotor tip clearance.
- Install rotor assembly in pump housing. Place a straightedge over rotor assembly and housing. Insert feeler gauge between straightedge and housing to measure rotor end play. Using a feeler gauge, measure clearance between outer rotor and pump housing.
OIL PUMP SPECIFICATIONS
| Application | In. (mm) |
|---|---|
| Inner-To-Outer Rotor Tip Clearance | .012 (.30) |
| Outer Rotor-To-Housing Clearance | .001-.013 (.03-.33) |
| Relief Valve-To-Bore Clearance | .0015-.0030 (.038-.076) |
| Rotor End Play | .004 (.10) Max. |
| Shaft-To-Housing Clearance | .0015-.0030 (.038-.076) |