Having problems with your 1988 GMC S-15 ?

How to remove fuel pump on 1988 gmc s 15 pickup

\015 How to remove fuel pump on 1988 gmc s15pickup\015 Posted / edited by AnonymousUser on : 15-08-2022

Answers :

To remove the fuel pump you need to unbolt the tank and the lines to drop down the gas tank. then turn the ring on the top of the tank and unplug the wires and remove the fuel pump
GM S10/S15/Sonoma Pick-Ups 1982-1993 Repair Manual\015\012\011\011\011Electric Fuel Pump - REMOVAL & INSTALLATION\015\012\015\012
  1. \015\012Properly relieve the fuel system pressure.\015\012
  2. \015\012
  3. \015\012Connect the negative battery cable.
\015\012\015\012\015\012Be sure to keep a Class B (dry chemical) fire extinguisher nearby.\015\012

\015\012\015\012CAUTION\015\012\015\012Due to the possibility of fire or explosion, never drain or store \015\012gasoline in an open container.\015\012\015\012\015\012\015\012
  1. \015\012Drain the fuel tank, then remove it from the vehicle. refer to the\015\012 procedure found later in this section for details.\015\012
  2. \015\012
  3. \015\012Using the GM fuel gauge sending unit retaining cam tool No. \015\012J-24187, J-36608 (or equivalent) or a brass drift and a hammer, remove \015\012the cam locking ring (fuel sending unit) by twisting counterclockwise. \015\012With the locking ring released, carefully lift the sending unit from the\015\012 fuel tank.\015\012
  4. \015\012
  5. \015\012Remove the fuel pump from the fuel sending unit, by performing the\015\012 following procedures:\015\012\015\012
    1. \015\012Pull the fuel pump up into the mounting tube, while pulling \015\012outward (away) from the bottom support.
\015\012\015\012\015\012When removing the fuel pump from the sending unit, be careful not to \015\012damage the rubber insulator and the strainer.\015\012
  1. \015\012When the pump assembly is clear of the bottom support, pull it out\015\012 of the rubber connector.
\015\012\015\012To install:
  1. \015\012Inspect the fuel pump hose and bottom sound insulator for signs of\015\012 deterioration, then replace, as necessary.\015\012
  2. \015\012
  3. \015\012Push the fuel pump onto the sending tube.\015\012
  4. \015\012
  5. \015\012Using a new sending unit-to-fuel tank O-ring, carefully lower the \015\012sending unit/fuel pump assembly into the fuel tank.
\015\012\015\012\015\012When installing the sending unit, be careful not to fold or twist the\015\012 fuel strainer or it may restrict the fuel flow.\015\012
  1. \015\012Secure the sending unit by turning or driving the lockring \015\012clockwise and into position under the tabs.\015\012
  2. \015\012
  3. \015\012Install the fuel tank assembly to the vehicle.\015\012
  4. \015\012
  5. \015\012Connect the negative battery cable and check for proper pump \015\012operation.

Good luck (remember rated this).
Repair Help & Product Troubleshooting for 1988 GMC S-15

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