Question about 1988 Cadillac Sedan DeVille

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Need to replace the fuel pump - 1988 Cadillac Sedan DeVille

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Have to remove fuel tank

Posted on Oct 06, 2010

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Posted on Jan 02, 2017

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Jan 13, 2016 | Nissan Cars & Trucks

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How do I change out the fuel pump


you need to drop the fuel tank out of the bottom to change the pump

Aug 17, 2012 | 2000 Oldsmobile Intrigue

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My volvo want stay crank fuel pump comes on replaced it shop telling me my fuel pump housing needs replaced had that tested its o k what about fuel pump relay


if the fuel pump is new and the fuel filter then you will need to check the fuel pump relay if its good
then the ECM would need to be replaced. thats the computer.

Aug 28, 2011 | 1992 Volvo 940

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How to replace fuel module regulator


to replace the fuel pump module.first you need to relieve the fuel system pressure.turn off radio first, then disconnect the negative battery cable.drain fuel from fuel tank.then then safely raise support car on jack stands. make sure sitting on solid level ground then remove the fuel charcoal canister hoses and vent line remove disconnect fuel pump. disconnect fuel pump electrical connector and remove fuel filler hose from fuel tank then remove the fuel tank from the vechicle.the heat shield and the rear exhaust system may have to be remove if you problem dropping the fuel tank.once fuel tank dropped you need snap ring pliers to remove the fuel pump module retaining ring.disconnect the fuel pump sending unit.disconnect the fuel pressure sensor and fuel pump module electrical connector .if you need help to replace the fuel level sending unit.you need a haynes repair manual.it has instruction how to remove and replace the fuel level sending unit.but most of the time the whole new fuel pump module come with new fuel level sending unit.if you are replacing fuel pump.when done put every thing back visa versa. be very careful working around gasoline and fuel tank.dont smoke.becareful dont make no sparks with wrenches when removing gas tank.wear safety glasses and have a helper at all times. dont work under vechicle by your self.

Apr 11, 2011 | 1999 Oldsmobile Alero

2 Answers

Fuel pump needs to be replaces on 2000 Chevrolet suburban, do I also need a new filter, relay and induction?


Do you know for sure that the fuel pump failed or do you have a bad relay? If the fuel pump relay is good no you don't need to replace it. The fuel pump unit comes with the sending unit and a sock filter. I would replace the inline fuel filter when you replace the pump. In line fuel filters need to be replaced every 36000 miles. If that filter starts to plug up it makes the pump work harder which leads to premature failure.

Jan 17, 2011 | 2000 Chevrolet Suburban

3 Answers

Fuel pump repair


There no repair for fuel pump, just gets replace, fuel pump is in fuel tank, the fuel tank will have to be remove to replace fuel pump.

Aug 05, 2010 | 1996 Plymouth Grand Voyager

1 Answer

Replaceing fuel pump


How to Replace a Fuel Pump
DIY & Save up to $219.24 (Complexity: Hard / Time: 3.2 hours)

Parts:
1. Fuel Pump - $140.07

Tools:
1. 3/8 in. Drive Ratchet - $7.55
2. Floor Jack - $145.54
3. Multimeter - $247.13
4. Jack Stand Set - $36.93
5. Flat Head Screwdriver - $3.14
6. Mallet Hammer - $6.83
7. Socket Set

Steps:
1 Locate the fuel pump.
- Tip: Safety Tip:Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or safety shoes.
2 Have a friend turn the key to the“ON” position while you listen for a high pitched hiss/whine coming from the electric fuel pump.
- Tip: If the fuel pump is located in the fuel tank, you can open the fuel cap and listen to hear the fuel pump. The fuel pump should run (priming the system with fuel) for a couple of seconds. Once it stops, you should be able to start the vehicle.
3 If the fuel pump does not make a sound (run and prime the fuel system) check to see if there is a fuse that supplies power to the fuel pump and check its location.
- Tip: Check the owner’s manual for location of the fuse box and fuel pump fuse.

4 Once you have found the location of the fuel pump fuse, remove the fuse from its housing and check to see if it is blown.
- Tip: A blown fuse will usually have a metal strip connecting both tabs that“blows out” (the wire looks as if it has been chopped in half or broken).

5 If you noticed that the fuse was blown, replace the fuse with a new fuse of the same amperage and repeat step 2.
6 If the fuel pump now works, you do not need to replace it. However, you will need to find what caused the fuel pump fuse to blow. We strongly recommend that this is done through a certified shop, unless you have the tools and knowledge to test electrical systems and diagnose more in depth problems.
7 If the fuse wasn’t blown, it should be checked for power and ground at the fuel pump. If there is power and ground present then you will need to replace the fuel pump.
- Tip: On most vehicles you may need to lower the fuel tank to access the power and ground leads for the fuel pump.

8 Siphon or drain as much fuel as possible from the fuel tank. Disconnect any possible fuel lines from the fuel tank.
9 Remove any retaining straps or bolts holding the fuel tank to the frame.
- Tip: You may be able to access the fuel pump from the bottom of the back seat or the trunk of the vehicle.

10 Using a digital multi meter, turn the key to the“ON” position and check for power at the fuel pump. Touch the negative lead from the DMM to a good ground and the positive lead of the DMM to the power cable at the fuel pump. You should have a reading that is equal to battery power. If you do not have a reading at all, you will need to inspect the power side of the fuel pump.
- Tip: With the ground lead of the DMM still connected to a good ground, touch the power lead to the positive side of the battery, to each side of the fuse, and again to the fuel pump. Wherever you notice the voltage reading goes from battery voltage to 0 you will need to replace whatever wires and fuse are in between.

11 If you have noticed that the power and ground being supplied to the fuel pump are both good, then you will need to replace the fuel pump.
- Tip: To check for a good ground, place the negative lead from the DMM to the ground side of the fuel pump, and the positive lead of the DMM to the positive side of the battery. If the reading on the DMM is battery voltage then you have a good ground.

12 Remove any retaining rings or bolts that hold the fuel pump in the fuel tank.
13 Remove any electrical connections or fuel lines connected to the fuel pump. Replace the fuel pump.
- Tip: If equipped, inspect and replace strainer as needed.

14 Use reverse procedure to install fuel pump and assemble all components back to their original state.
15 Start the vehicle to verify repairs.

Hope helps with this (remember rated this help) Good luck.

Feb 09, 2010 | 2001 Chevrolet Silverado 1500

1 Answer

Need to replace fuel pump. Current pump not


the fuel pump is inside your gas tank and needs to have the tank removed in order to replace the fuel pump. the flat rate labor time for the repair is 1.8 hours to complete.

Aug 04, 2009 | 1997 Hyundai Sonata

3 Answers

Replacing fuel pump need to remove rear seat need to know how


First you will need to releave fuel pressure......

next remove the rear seat cushion to gain access to fuel pump access panel.....

Removing Fuel Pump....

Jan 29, 2009 | 2003 Mitsubishi Outlander

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