The fuel pump is located under the center of the vehicle, in front of the fuel tank (1984 models).
A diaphragm type electromagnetic pump is used. If the pump fails, it must be replaced as an assembly, since it cannot be rebuilt.
REMOVAL & INSTALLATION
- Release the fuel system pressure and disconnect the negative battery cable.
- Keep the fuel pump harness disconnected after releasing the fuel system pressure.
- Raise and support the vehicle safely.
- Clamp the middle portion of the thick hose connecting the pipe and the pump to prevent fuel from flowing out of the tank.
- Loosen the hose clamp and disconnect the hose.
- Remove the three pump bracket mounting bolts and remove the pump together with the pump damper.
- If the pump and damper have been removed from the bracket, reinstall and tighten the bolts securely.
- Install the hose and tighten the clamp screw to 0.7-1.1 ft. lbs. (1.0-1.5 Nm).
- Install the pump bracket in position to the vehicle body and secure it with the bolts.
- Connect the pump harness connector.
- Connect the negative battery cable and test the fuel pump for proper operation.
- Turn the ignition ON and listen for the fuel pump to make a growling sound. Turn the ignition OFF .
- Release the fuel system pressure. Disconnect the pump connector and crank the engine for 5 seconds or more. If the engine starts, allow it to run until it stops. Turn the ignition OFF and install the fuel pump connector.
- Disconnect the fuel hose at the fuel pump.
- Connect a gauge in-line using a T-fitting.
- Start the engine and measure the fuel pressure.
- Release the fuel system pressure and remove the gauge.