Oil Pump: Inspection

Disassembly oil pump and clean all parts. Measure pressure spring free length. Measure inner-to-outer rotor clearance. Measure outer rotor-to-pump housing clearance. Use a straightedge to measure end play clearance between pump cover and rotor. Replace parts not within specification. See OIL PUMP SPECIFICATIONS table.

OIL PUMP SPECIFICATIONS

Application

In. (mm)

Inner Gear Tooth Tip-To-Outer Gear

1.3L

.0078 (.198)

1.6L

⁽¹⁾ .0008-.0063 (.02-.16)

Outer Gear-To-Housing

1.3L

.0087 (.22)

1.6L

⁽²⁾ .0035-.0071 (.09-.18)

End Play

1.3L

.0055 (.14)

1.6L

⁽³⁾

Pressure Spring Free Length

1.3L

N/A

1.6L

1.791 (45.5)

⁽¹⁾	If measurement exceeds .0079" (.20 mm), replace rotors or pump.

⁽²⁾	If measurement exceeds .0087" (.22 mm), replace rotors or pump.

⁽³⁾	If measurement exceeds .0055" (.14 mm), replace rotors or pump.