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 MANUALSCHEVROLET2012EXPRESS 2500 V8-4.8LREPAIR AND DIAGNOSISWIPER AND WASHER SYSTEMSWINDSHIELD WASHER PUMPSERVICE AND REPAIR
2012 Chevrolet Express 2500 V8-4.8L
Windshield Washer Pump: Service and Repair
2012 Chevrolet Express 2500 V8-4.8LSECTION Service and Repair
Washer Pump Replacement
Removal Procedure
1. Open and support the hood.
2. Remove the upper fender support.
3. Remove the bolt from the washer solvent container.
4. Lift the washer solvent container up enough past the horns in order to access the washer hose and the electrical connector.
5. Disconnect the electrical connector from the washer pump.
6. Disconnect the washer hose from the washer pump.
7. Place a cap on the washer pump to prevent any washer solvent loss.
8. Remove the washer solvent container from the vehicle.
9. Drain the washer solvent into a suitable container.
10. Remove the washer pump from the washer solvent container.
11. Remove the washer solvent container cap.
Installation Procedure
1. Install the new washer pump into the washer solvent container.
2. Install the washer solvent container cap.
3. Connect the electrical connector to the new washer pump.
4. Connect the washer hose to the new washer pump.
5. Position the washer solvent container into the locating holes in the chassis.
Caution:
Refer to Fastener Caution Fastener Caution.
6. Install the washer solvent container with the bolt and tighten to 10 Nm (89 lb in).
7. Install the upper fender support.
8. Fill the washer solvent container.
9. Close the hood.
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.