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BigBob
BigBob, Shop manager/technician
Category: Chevy
Satisfied Customers: 4837
Experience:  Shop Manager with 25 years experience
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How do you replace a fuel pump and filter on 1991 chevy s10 p.u.

Customer Question

how do you replace a fuel pump and filter on 1991 chevy s10 p.u.
Submitted: 5 years ago.
Category: Chevy
Expert:  BigBob replied 5 years ago.
Greetings,

Is it 4 or 6 cyl? Is it 2wd or 4wd?

Bob
Customer: replied 5 years ago.
6 cyl.2 wd
Expert:  BigBob replied 5 years ago.
Greetings again,

graphic
REMOVAL:

REMOVAL:

  1. Disconnect the negative battery cable.
  2. Raise vehicle.
  3. Remove fuel tank.

  1. Remove the fuel from the tank.
  2. Remove clamps from filler neck hose and vent line.
  3. Remove fuel tank retaining straps. Support the fuel tank.
  4. Disconnect fuel sender wires, hoses, and ground strap. Lower the fuel tank to gain access.
  5. Remove the fuel tank from the vehicle.
  6. Remove the Fuel pump/sending unit from the tank.
  7. Remove pump and sending unit assembly by turning the cam lock counterclockwise using tool J-36608 or J-24187 or equivalent.
    • Pull the fuel pump up into the attaching hose while pulling outward from the bottom support.
    • Do not damage the rubber insulator or the strainer.
graphic
  1. Purge fuel tank, if being repaired.

INSTALLATION:

  1. Install fuel sender and pump assembly into fuel tank.
  2. Install fuel tank into vehicle.
  3. Connect sending unit wires, hoses, and ground straps.
  4. Install fuel tank retaining straps with insulator straps in place.
  5. Install clamps to filler neck hose and vent lines.
  6. Install bolts and nuts.
  7. Install fuel tank
graphic
WARNING: To reduce the risk of fire and personal injury when the fuel line is disconnected, cover the fuel line with a shop cloth to collect the fuel, and then place the cloth in an approved container.

REMOVAL:
  1. Raise vehicle.
  2. Disconnect the fuel lines from the filter. NOTE: Use a back-up wrench to prevent filter, O-ring, or fuel line damage.
  3. Remove the filter from the car.

INSTALLATION:

  1. Install the new filter in position loosely.
  2. Using new O-rings, install the fuel lines into the filter. NOTE: Use a back-up wrench to prevent filter, O-ring, or fuel line damage.
  3. Torque line fittings to 30 Nm (22 lb-ft).
  4. Secure the filter to the vehicle.
  5. Lower the vehicle.
  6. START the engine and inspect for leaks.
Good luck,
Bob
Customer: replied 5 years ago.
OK looks good.One question, where exactly is the fuel filter on the truck
Expert:  BigBob replied 5 years ago.
It is on the frame on the drivers side of the vehicle, right behind the driver seat.


Bob
BigBob, Shop manager/technician
Category: Chevy
Satisfied Customers: 4837
Experience: Shop Manager with 25 years experience
BigBob and 5 other Chevy Specialists are ready to help you
Customer: replied 5 years ago.
OK Thanks
Expert:  BigBob replied 5 years ago.
Thank you,

Have a great Saturday

Bob
Customer: replied 5 years ago.

FYI....I could not locate the filter on the frame behind the driver's seat.It appears to be in front of the engine before the fan.

Expert:  BigBob replied 5 years ago.
I have never seen one there, thanks for the info. That picture says it is on the frame.

Bob

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