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Oil Pump: Inspection

WARNING: This page is about a different car, the 1995 Ford Pickup, 1995 Ford Econoline, 1995 Ford Club Wagon, and 1995 Ford Bronco. However, it is still accessible from the selected car via links, so may be relevant.

Inspect components for damage and wear. Measure rotor end play and outer rotor-to-housing clearance. Measure relief valve-to-bore clearance and relief valve spring tension. Replace oil pump assembly if measurements are not within specifications. See OIL PUMP SPECIFICATIONS table.

OIL PUMP SPECIFICATIONS

Application In. (mm)
Outer Rotor-To-Housing Clearance .001-.013 (.03-.33)
Relief Valve Spring Tension (1) 10.6-12.2 @ 1.74 (4.8-5.5 @ 44.2)
Relief Valve-To-Bore Clearance .0015-.0030 (.038-.076)
Rotor End Play .004 (.10) Max.
Shaft-To-Housing Clearance .0015-.0030 (.038-.076)
(1) Lbs. @ In. (Kg @ mm).
NOTE: Oil pump is serviced as an assembly only. Replace assembly if measurements are not to specifications. See OIL PUMP SPECIFICATIONS table.