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Home >> Acura >> 1993 >> Integra GS-R >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (1.8L 4-CYL) >> Engine Oiling >> Oil Pump >> Inspection
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Oil Pump: Inspection

WARNING: This page is about a different variant/trim than selected.

Measure radial clearance between inner and outer rotors. Measure axial clearance between housing and outer rotor. Inspect both rotors and pump housing for scoring or other damage. Replace components if clearance measurements are not within specification. See OIL PUMP SPECIFICATIONS table.

OIL PUMP SPECIFICATIONS

Application In. (mm)
Inner Rotor-To-Outer Rotor
Radial Clearance
Standard (New) 0.002-0.006 (0.05-0.15)
Service Limit 0.008 (0.20)
Housing-To-Outer Rotor
Axial Clearance
Standard (New) 0.001-0.003 (0.03-0.08)
Service Limit 0.006 (0.15)
Housing-To-Outer Rotor
Radial Clearance
Standard (New) 0.004-0.007 (0.10-0.18)
Service Limit 0.008 (0.20)