How to check the fuel pump output and pressure on Cadillac Seville?

On a Cadillac Seville, first check that the fuel tank has enough fuel. Then let out the current fuel pressure before you can measure the pump's output. Hook a fuel pressure gauge to either the fuel line or fuel rail, only using one that has a bleeder valve and works with the fitting type needed for the vehicle. Turn the ignition key to "ON" without starting the engine. Watch how long it takes the fuel pump to run, and make sure the gauge's readings stay within the correct specifications. While running the engine, the fuel pressure should go down by 3 to 10 psi. Also add vacuum to the pressure regulator, check that it works correctly. If you see higher than allowed pressure, make sure the regulator gets vacuum, then look for restricted flow in the return line. Replace the fuel filter if low pressure readings appear. Then test multiple fuel system components with a special valve. After the tests, reduce the fuel pressure and disconnect the gauge. Have the person in charge turn the ignition to ON, and check if you can hear the fuel pump wind up its noises from under the hood when someone else loosens the fuel cap and sits nearby to listen. Under the passenger seat cushion of 1999 and later models, you'll find the fuel pump fuse that needs checking before you can continue. First check the fuel pump fuse is good; if it is, disconnect the relay and measure battery voltage at its connector under both OFF and ON ignition key positions. When the pump isn't working, ensure the fuel pump has battery power at its connector. If the battery current isn't there, look for problems in the electrical circuit between the battery and pump. When the pump isn't working with power, join the pump directly to the circuit to see if it runs. Finally, test your oil pressure switch when the fuel pump won't run, after making sure all electrical circuits are working well.

Genuine Cadillac Seville Fuel Pump

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Cadillac Seville Fuel Tank Fuel Pump Module Kit
Part Number: 19369903
$238.48 MSRP: $487.94
You Save: $249.46 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: MODULE KIT,F/TNK F/PMP; Fuel Pump, Fuel Pump Assembly
- Replaces: 19180117, 25349620, 19331254, 88963648, 88963640, 25349626
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004 Cadillac Seville | DEVILLE, HIGH LUXURY, SEVILLE, STS, TOURING 4 DOOR | 8 Cyl 4.6L
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Cadillac Seville Fuel Pump Assembly
Part Number: 25116285
$34.40 MSRP: $102.26
You Save: $67.86 (67%)
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Product Specifications
- Other Name: Pump Asm,Fuel ; Pump, Fuel Pump; Fuel Pump
- Replaces: 25116286
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1989 Cadillac Seville | SEVILLE | 8 Cyl 4.1L, 8 Cyl 4.5L
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Cadillac Seville Fuel Tank Fuel Pump Module Kit
Part Number: 19369904
$281.55 MSRP: $576.04
You Save: $294.49 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: MODULE KIT,F/TNK F/PMP; Fuel Pump, Fuel Pump Assembly, Sending Unit
- Replaces: 19180115, 25335916, 25361858, 25330718, 25322892, 25330716, 88963641, 88963646, 19331255, 25177436, 25335915, 25335917, 25335956, 25326334, 25335955, 25322893, 25361862, 88963644, 25177438, 25326332, 25335914
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2003 Cadillac Seville | DEVILLE, HIGH LUXURY, SEVILLE, SLS, STS, TOURING 4 DOOR | 8 Cyl 4.6L
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Cadillac Seville Fuel Tank Fuel Pump Module Kit
Part Number: 19369912
$236.96 MSRP: $447.10
You Save: $210.14 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: MODULE KIT,F/TNK F/PMP
- Replaces: 19332081, 25029982, 25029764, 19179982, 88962475, 25028545
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1996 Cadillac Seville | 4 DOOR, SEVILLE | 8 Cyl 4.6L, 8 Cyl 4.9L
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Cadillac Seville Fuel Pump Assembly
Part Number: 25115981
$60.48 MSRP: $157.60
You Save: $97.12 (62%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Asm,Fuel ; Pump, Fuel Pump; Fuel Pump
- Replaces: 25117503
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1989 Cadillac Seville | SEVILLE | 8 Cyl 4.1L, 8 Cyl 4.5L
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Cadillac Seville Fuel Pump Assembly
Part Number: 25028733
$39.01 MSRP: $157.31
You Save: $118.30 (76%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Asm,Fuel ; Pump, Fuel Pump; Fuel Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994 Cadillac Seville | 4 DOOR | 8 Cyl 4.6L
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Cadillac Seville Fuel Pump Assembly
Part Number: 6471317
$23.67 MSRP: $54.57
You Save: $30.90 (57%)
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Product Specifications
- Other Name: Pump Asm,Fuel ; Pump, Fuel Pump; Fuel Filter, Fuel Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1985 Cadillac Seville | SEVILLE | 8 Cyl 5.7L Diesel
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Cadillac Seville Fuel Pump Assembly
Part Number: 6472949
$36.23 MSRP: $83.47
You Save: $47.24 (57%)
ADD TO CART
Product Specifications
- Other Name: Pump Asm,Fuel; Fuel Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1985 Cadillac Seville | SEVILLE | 8 Cyl 5.7L Diesel
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Cadillac Seville Fuel Pump
Part Number: 25163468
$96.54 MSRP: $173.16
You Save: $76.62 (45%)
Product Specifications
- Other Name: Pump,Fuel
- Replaces: 25163470, 25116167, 25163471
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1992 Cadillac Seville | SEVILLE | 8 Cyl 4.5L, 8 Cyl 4.9L
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Cadillac Seville Fuel Pump Assembly
Part Number: 6471172
Product Specifications
- Other Name: Pump Asm,Fuel ; Pump, Fuel Pump; Fuel Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982 Cadillac Seville | SEVILLE | 6 Cyl 4.1L

Cadillac Seville Fuel Pump

The Fuel Pump in Cadillac Seville vehicles plays a very important role in fuel transfer from the tank to carburetor or fuel injection system of the engine in Cadillac Seville vehicles. It makes sure that fuel is put under pressure and filtered in order to ensure that combustion is optimal. Seville models are usually equipped with electric Fuel Pump for fuel injection installed in the fuel tank, which increases the level of safety and efficiency. On the contrary, the old carburetted models can use mechanical Fuel Pump with lower pressures, which are driven by the camshaft of the engine. Through the years, Cadillac Seville has gone through changes from mechanical pumps producing up 15 psi to more efficient electric pumps able of producing even higher pressures generally exceeding 40 psi. This move allows for high performance and better fuel management with new electric pumps that enjoy pulse-width modulation capability, which enhances longevity and lowers power requirement. Based on the above information, it could be concluded that the evolution of the Fuel Pump in Seville vehicles show technological innovation in engines and fuel delivery.

Each OEM Cadillac Seville 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 Seville Fuel Pump Parts Questions & Experts Answers

Fuel Tank Fuel Pump Module Kit
19369903
Q: How to check the fuel pump output and pressure on Cadillac Seville?
A:
On a Cadillac Seville, first check that the fuel tank has enough fuel. Then let out the current fuel pressure before you can measure the pump's output. Hook a fuel pressure gauge to either the fuel line or Fuel Rail, only using one that has a bleeder valve and works with the fitting type needed for the vehicle. Turn the ignition key to "ON" without starting the engine. Watch how long it takes the fuel pump to run, and make sure the gauge's readings stay within the correct specifications. While running the engine, the fuel pressure should go down by 3 to 10 psi. Also add vacuum to the pressure regulator, check that it works correctly. If you see higher than allowed pressure, make sure the regulator gets vacuum, then look for restricted flow in the return line. Replace the fuel filter if low pressure readings appear. Then test multiple fuel system components with a special valve. After the tests, reduce the fuel pressure and disconnect the gauge. Have the person in charge turn the ignition to ON, and check if you can hear the fuel pump wind up its noises from under the hood when someone else loosens the fuel cap and sits nearby to listen. Under the passenger seat cushion of 1999 and later models, you'll find the fuel pump fuse that needs checking before you can continue. First check the fuel pump fuse is good; if it is, disconnect the relay and measure battery voltage at its connector under both OFF and ON ignition key positions. When the pump isn't working, ensure the fuel pump has battery power at its connector. If the battery current isn't there, look for problems in the electrical circuit between the battery and pump. When the pump isn't working with power, join the pump directly to the circuit to see if it runs. Finally, test your oil pressure switch when the fuel pump won't run, after making sure all electrical circuits are working well.