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 MANUALSCHEVROLET2001EXPRESS 1 TON VAN V8-5.7L VIN RREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLPOWER BRAKE ASSISTSERVICE AND REPAIRFLUID FLOW SWITCH REPLACEMENT
2001 Chevrolet Express 1 Ton Van V8-5.7L VIN R
Fluid Flow Switch Replacement
2001 Chevrolet Express 1 Ton Van V8-5.7L VIN RSECTION Fluid Flow Switch Replacement
Fluid Flow Switch Replacement
Removal Procedure
1. Disconnect the electrical connector and ground strap from the fluid flow alarm switch.
Notice: Do not force a thick blade wrench on the flow switch or damage will result. Use a thin blade open-end wrench.
2. Remove the hose clamps from the fluid flow alarm switch.
3. Remove the fluid flow alarm switch from the vehicle.
4. Disassemble the fluid flow alarm switch from the fittings.
Installation Procedure
1. Install a new gasket between the switch and the fittings.
2. Install the switch to the fittings.
Notice: Refer to Fastener Notice in Service Precautions.
Tighten the fluid flow alarm switch to 35 Nm (26 ft. lbs.).
3. Install the fluid flow alarm switch to the vehicle.
Notice: Do not force a thick blade wrench on the flow switch or damage will result. Use a thin blade open-end wrench.
4. Install the hose clamps to the fluid flow alarm switch.
Tighten the clamps to the fluid flow alarm switch to 3 Nm (27 inch lbs.).
5. Connect the electrical connector and ground strap to the fluid flow alarm switch.
Removal Procedure
1. Disconnect the electrical connector and ground strap from the fluid flow alarm switch.
Notice: Do not force a thick blade wrench on the flow switch or damage will result. Use a thin blade open-end wrench.
2. Remove the hose clamps from the fluid flow alarm switch.
3. Remove the fluid flow alarm switch from the vehicle.
4. Disassemble the fluid flow alarm switch from the fittings.
Installation Procedure
1. Install a new gasket between the switch and the fittings.
2. Install the switch to the fittings.
Notice: Refer to Fastener Notice in Service Precautions.
Tighten the fluid flow alarm switch to 35 Nm (26 ft. lbs.).
3. Install the fluid flow alarm switch to the vehicle.
Notice: Do not force a thick blade wrench on the flow switch or damage will result. Use a thin blade open-end wrench.
4. Install the hose clamps to the fluid flow alarm switch.
Tighten the clamps to the fluid flow alarm switch to 3 Nm (27 inch lbs.).
5. Connect the electrical connector and ground strap to the fluid flow alarm switch.
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.