Fuel Injector

1987 Chevrolet Forward Control 4.8 T, Automatic, 400/M40SECTION Fuel Injector
  1. Remove throttle body and place assembly on Holding Fixture (J-9789-118) to prevent damage to throttle valves. Remove screw and injector retainer. See Figure.
  2. Place a screwdriver over fuel meter body. Use a second screwdriver to carefully pry injector away from fuel meter body. Remove upper and lower "O" rings from injector or fuel injector cavity.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.