Question about 2003 Oldsmobile Alero

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2003 oldsmobile alero fuel pump

I need to know strp by step kinda on how to remove the old and replace the fuel pump on my car thanks

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Relieve fuel pressure (pull fuel pump fuse run car until it quits,) siphon fuel from tank, drop tank, remove wires and hoses,fuel pump is in tank, to remove, use snap ring pliers to remove pump retaining ring, pull up on pump, be carefull not to damage screen or sending unit in tank when pulling out.

Posted on Sep 03, 2009


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Posted on Jan 02, 2017

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SOURCE: 1999 oldsmobile alero

check the fuel pump fuse, and if ok look foe fuel pump relay and replace it

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intake manifold has a vacum leak or other vacum leak hose etc.

Posted on Dec 03, 2008

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if the engine turns over, but just doesn't start, you need to do some checking, check for spark from the coil, or coil packs, if that checks out ok, have the crank and cam shaft position sensors checked, timing belt, computor. I know it's a pain, but I have worked on cars for 40 years, something like this you have to use process of elimination, without testing, you could replace things you don't need. ( expensive) good luck).

Posted on Jan 22, 2009

  • 594 Answers

SOURCE: need to know if i

here are step by step instructions on the removal and installation of your fuel tank and fuel pump. please do not forget to rate and comment about your experience with fixya today.
Removal & Installation

  1. Before servicing the vehicle, refer to the precautions section.
  2. Relieve the fuel system pressure.
  3. Drain the fuel tank.
  4. Remove or disconnect the following:
  5. While holding the modular fuel sender assembly down, remove the snapring, if equipped or if equipped with a cam lock ring use Fuel Sender Lock Nut Tool J-39765 to press down and rotate the cam lock ring to remove it.

    WARNING If the modular fuel sender assembly is retained by a snapring, it may spring up from its position. When removing the modular fuel sender from the tank, be aware that the reservoir bucket is full of fuel. It must be tipped slightly during removal to avoid damage to the float.
    • Fuel sender assembly
    • External fuel strainer
    • Connector retainer from the wiring harness and the fuel pump
  6. Gently release the tabs on the sides of the fuel sender at the cover assembly. Begin by squeezing the sides of the reservoir and releasing the tab opposite the fuel level sensor. Move clockwise to release the second and third tab in the same manner.
  7. Remove or disconnect the following:
    • Fuel pump electrical connection by lifting the cover assembly
    • Baffle and pump assembly from the retainer by rotating the fuel pump baffle counterclockwise
    • Fuel pump outlet by sliding it out of slot
    • Fuel pump outlet seal
To install:
Install or connect the following:
    • Fuel pump outlet with a new seal by sliding it in the reservoir cover slots
    • Fuel pump and baffle assembly onto the reservoir retainer by rotating it clockwise until seated
    • Lower retainer assembly partially into the reservoir by aligning all 3 sleeve tabs and pressing the retainer onto the reservoir making sure all 3 tabs are firmly seated

    NOTE Gently pull on the fuel pump reservoir to assure it is secure. If not secure, replace the entire fuel sender.
    • Connector retainer to the wiring harness and the fuel pump
    • External fuel strainer
    • Snapring, if equipped to the retainer slots while holding the modular fuel sender assembly down or use Fuel Sender Lock Nut Tool J-39765 in order to install the cam lock ring
    • Fuel tank
    • Negative battery cable
  1. Pressurize the fuel system and verify no leaks.

Posted on Apr 17, 2009

  • 77939 Answers

SOURCE: fuel pump 2002 oldsmobile alero

In order to replace the fuel pump u must remove the gas tank, the fuel pump is located inside the tank. U are going to need to get the car at least 3 feet in the air, u will need a good 2 1/2 ton hydraulic floor jack, 4 good safety stands and common hand tools, also a brass drift to release fuel pump module retainner ring on top of tank, don't use steel one spark and u are up in smoke.

Posted on May 19, 2009

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Let us know if you want to know something more else accept the sugggestion.
Thanks for contacting

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