Express 1/2 Ton Van V8-5.7L VIN R (1999)
Hydraulic Brake Booster: Service and Repair
Fluid Flow Switch Replacement
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. 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.
3. Remove the hose clamps from the fluid flow alarm switch.
4. Remove the fluid flow alarm switch from the vehicle.
5. 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.
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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.
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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.
6. Connect the negative battery cable.
