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Genuine Cadillac Deville Fuel Pump
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12 Fuel Pumps found
Cadillac Deville Fuel Pump
Part Number: 25163468$82.42 MSRP: $173.16You Save: $90.74 (53%)Ships in 1-2 Business Days
Cadillac Deville MODULE KIT,F/TNK F/PMP
Part Number: 19369903$189.00 MSRP: $542.16You Save: $353.16 (66%)Ships in 1-2 Business Days
Cadillac Deville MODULE KIT,F/TNK F/PMP
Part Number: 19369904$274.21 MSRP: $576.04You Save: $301.83 (53%)Ships in 1-2 Business Days
Cadillac Deville MODULE KIT,F/TNK F/PMP
Part Number: 19369912$212.82 MSRP: $447.10You Save: $234.28 (53%)Ships in 1-2 Business Days
Cadillac Deville Fuel Pump Assembly
Part Number: 25028733$48.76 MSRP: $157.31You Save: $108.55 (69%)Ships in 1-2 Business Days
Cadillac Deville Fuel Pump
The Cadillac DeVille Fuel Pump is a functional component that plays an important role of pumping fuel from the tank to the carburetor or the fuel injectors. Electric fuel pumps are utilized in fuel injection systems to pump fuel from within the fuel tank; they are installed within the tank and affixed to the sending unit assembly. Mechanical fuel pumps on the other hand operate through the help of the of the camshaft and delivers fuel to the float bowl of the carburetor. If the engine does not start then it is necessary to check the condition of the pump and source voltage. Performance fuel pumps are made in various flow rates to satisfy the engine needs, mechanical pumps can produce up to 130 GPH. Though electrical pumps have higher pressures in comparison to engine-driven ones, actual applications use PWM to reduce energy consumption and increase service life.
Each OEM Cadillac Deville Fuel Pump we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.
Cadillac Deville Fuel Pump Parts Questions & Experts Answers
- Q: How to check the fuel pump output and pressure on Cadillac DeVille,DTS and Seville?A: To check the fuel pump output and pressure, first ensure that there is enough fuel in the tank and relieve the fuel pressure. Then, install a fuel pressure gauge onto the fuel lines or Fuel Rail using the appropriate adapter fitting. With the ignition switch on but the engine not running, observe the fuel pump running for about two seconds and note the reading on the gauge. After the pump stops running, the pressure should remain steady within the specified range. If the pump does not turn on, check the fuel pump's electrical circuits. Start the engine and let it idle at normal operating temperature, and the pressure should be slightly lower. If all pressure readings are within specifications, the system is functioning properly. If the pressure did not drop after starting the engine, apply vacuum to the pressure regulator. If the pressure drops, repair the vacuum source; if not, replace the regulator. If the fuel pressure is not within specifications, check for vacuum to the pressure regulator and for a pinched or clogged fuel return hose or line. If these are okay, replace the pressure regulator. If the pressure is still low with the fuel return line restricted, the fuel pump may be faulty. After testing, relieve the fuel pressure and remove the gauge. For the fuel pump electrical circuit check, listen for a whirring sound at the fuel filler neck opening when the ignition key is turned on. If no sound is heard, check the fuel pump fuse. If the fuse is okay, remove the fuel pump relay and check for battery voltage to the relay connector with the ignition key off and on. If there is no voltage, check the fuel pump fuse and wiring circuit. If voltage is present, check the relay and then check for battery voltage at the fuel pump connector. If there is no voltage, check for an open circuit between the fuel pump and the relay. If there is power at the fuel pump connector and the pump still does not work, try bypassing the fuel pump circuit and powering it up with battery voltage. Additionally, check the oil pressure and oil pressure switch if the fuel pump fails to operate.
- Q: How do you replace the fuel pump/fuel level sending unit from the fuel tank on Cadillac DeVille,DTS and Seville?A: To remove the fuel pump/fuel level sending unit from the fuel tank, start by disconnecting the fuel level sending unit electrical connector from the module cover. Then, remove the sending unit retaining clip and pinch the tabs together to slide the fuel level sending unit off the module, taking note of the wiring routing for installation. Reassembly is simply the reverse of disassembly. Finally, install the fuel pump/fuel level sending unit back into the fuel tank.
- Q: How do you remove the Fuel Pump on Cadillac DeVille,DTS and Seville?A: To check the fuel level sending unit, start by removing it and using an ohmmeter to measure the resistance as the float moves from empty to full. Look for a smooth change in resistance. If there is no resistance or very little change, the sending unit needs to be replaced. To remove the sending unit, first relieve the fuel pressure and disconnect the battery cable. Then, remove the Fuel Tank and the necessary components in the trunk. Disconnect the electrical connectors and quick-connect fittings for the fuel tank pressure sensor and fuel pump/fuel level sending unit. Use a brass punch or water pump pliers to turn the lock ring counterclockwise and remove the fuel pump/fuel level sending unit module from the tank. Inspect the condition of the o-ring and replace if necessary. If replacing the sending unit, separate it from the fuel pump assembly. Installation is the reverse of removal.
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