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 MANUALSCHEVROLET2010AVALANCHE 1500 2WD V8-5.3LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINESERVICE AND REPAIROVERHAUL55. OIL PUMP DISASSEMBLE
2010 Chevrolet Avalanche 1500 2WD V8-5.3L
55. Oil Pump Disassemble
2010 Chevrolet Avalanche 1500 2WD V8-5.3LSECTION 55. Oil Pump Disassemble
Oil Pump Disassemble
Important: The internal parts of the oil pump assembly are not serviced separately, excluding the spring. If the oil pump components are worn or damaged, replace the oil pump as an assembly.
1. Remove the oil pump cover bolts (408).
2. Remove the oil pump cover (409).
Important: Mark or identify the gears for assembly. Refer to Separating Parts (Separating Parts).
3. Remove the drive gear (410).
4. Remove the driven gear (412).
5. Remove the pressure relief valve plug (416).
6. Remove the pressure relief valve spring (415).
7. Remove the pressure relief valve (414).
8. Inspect the oil pump components. Refer to Oil Pump Cleaning and Inspection (56. Oil Pump Cleaning and Inspection).
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.