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HOMESERVICE MANUALSCHEVROLET2000CAVALIER BASE, 4D SEDAN, 2.4 TREPAIR AND DIAGNOSISENGINE MECHANICALENGINE MECHANICAL - 2.4LREMOVAL & INSTALLATIONOIL FLOW CHECK VALVEREMOVAL
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 T

Oil Flow Check Valve: Removal

2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 TSECTION Removal
    CAUTION: During check valve removal, do not allow tool to impact ball at bottom of check valve, as this may cause ball to dislodge. If check ball is dislodged, it may fall into oil galley. Locate check ball if it is missing.
  1. Oil flow check valve is located below surface of cylinder block deck, near front of engine, and is accessible with cylinder head removed. See Figure. Attach a slide hammer to check valve using Check Valve Remover (J-38123) or a modified common 3/16 x 4" round-head machine screw. To modify screw, grind 2 flat spots on outside diameter of screw head, parallel with screwdriver slot and 180 degrees across from each other.
  2. Insert check valve remover (or modified machine screw) into check valve, then rotate tool 90 degrees so it will lock into indentations in check valve. DO NOT allow tools to contact check ball as it can drop into engine oil galleries. Pull check valve out of its bore.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.