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.
2010 Chevrolet Colorado 4WD V8-5.3LFACTORY OEM SERVICE PROCEDURE
Fuel Delivery and Air Induction: Service and Repair
Fuel System Cleaning
1. Remove the fuel tank fuel pump module. Refer to Fuel Tank Fuel Pump Module Replacement (Service and Repair).
2. Inspect the fuel strainer. Replace the module if the strainer is contaminated.
3. Inspect the fuel pump inlet for dirt and debris. Replace the module if dirt or debris is found in the fuel pump inlet.
Important: When flushing the fuel tank, handle the fuel and water mixture as a hazardous material. Handle the fuel and water mixture in accordance with all applicable local, state, and federal laws and regulations.
4. Flush the fuel tank with hot water.
5. Pour the water out of the module opening. Rock the tank to be sure that removal of the water from the tank is complete.
6. Install the fuel tank fuel pump module. Refer to Fuel Tank Fuel Pump Module Replacement (Service and Repair).
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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