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 MANUALSCHEVROLET2003TRAILBLAZER 4WD L6-4.2L VIN SREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAULREPAIR INSTRUCTIONS60. OIL PUMP DISASSEMBLE
2003 Chevrolet TrailBlazer 4WD L6-4.2L VIN S
60. Oil Pump Disassemble
2003 Chevrolet TrailBlazer 4WD L6-4.2L VIN SSECTION 60. Oil Pump Disassemble
Removal Procedure
1. Remove the thrust (pump to drum) washer (601).
2. Remove the oil (pump to case) seal (605).
3. Remove the pump cover bolts (233).
4. Remove the pump cover (215) from the pump body (200).
1. Remove the thrust (pump to drum) washer (601).
2. Remove the oil (pump to case) seal (605).
3. Remove the pump cover bolts (233).
4. Remove the pump cover (215) from the pump body (200).
RENDER: 1.0x
NO RELATED
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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.