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Oil Pump: Inspection

WARNING: This page is about a different car, the 1990 Suzuki Swift, 1990 Suzuki Sidekick, and 1990 Suzuki Samurai. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect oil pump housing for cracks or damage. Inspect oil screen for clogging or damage. Inspect oil screen "O" ring. Ensure relief valve slides smoothly in bore. Inspect pressure relief spring for damaged coils.
  2. Inspect oil pump gears for wear or damage. Using a feeler gauge, measure radial and side clearance. See Fig 1 and Fig 2 . If clearance exceeds specification, replace outer rotor or case. See OIL PUMP SPECIFICATIONS  table.
OIL PUMP SPECIFICATIONS

Application Radial Clearance: In. (mm) Side Clearance: In. (mm)
All Models .0122 (.309) .0059 (.150)
Fig 1: Checking Oil Pump Radial Clearance
G81641Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: Checking Oil Pump Side Clearance
G81642Courtesy of SUZUKI OF AMERICA CORP.
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