Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE MECHANICAL - 2.2L)ENGINE OILINGOIL PUMPINSPECTION
2001 Chevrolet Cavalier LS, 2.4 T
Oil Pump: Inspection
2001 Chevrolet Cavalier LS, 2.4 TSECTION Inspection
WARNING: This page is about a different variant/trim than selected.
- Replace extension shaft retainer if cracked. Inspect components for damage. Measure depth and diameter of gear housing. Measure gear diameter and gear length. Measure gear lash (clearance between tip of gear teeth of both gears). Measure gear side clearance (clearance between tip of gear tooth and housing).
- Using straightedge and feeler gauge, measure gear end clearance (clearance between cover plate and gear). Determine clearance between pressure regulator valve and bore. If clearances are not within specification, replace components as necessary. See OIL PUMP SPECIFICATIONS table.
CAUTION:
Before installing gears, pack oil pump cavities with petroleum jelly to prime pump. Use only original equipment gaskets when assembling oil pump, as gasket thickness is critical. Pick-up tube must be replaced if removed.
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.