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Home >> Jeep >> 1990 >> Cherokee Laredo, 2D Utility, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L 6-CYL - VIN [L] & 4.2L 6-CYL - VIN [T] >> Lubrication >> Oil Pump >> Disassembly & Inspection

Disassembly & Inspection

Disassemble pump. Inspect for wear or damage. Using feeler gauge, measure gear-to-body clearance. Rotate gears and measure each tooth-to-body clearance. See OIL PUMP SPECIFICATIONS  table. Replace oil pump if not within specification.

CAUTION: If oil pressure relief valve is replaced, ensure replacement valve is the same diameter as that removed. Different diameter valves may be used.