2004 Chevrolet S10 PickupFACTORY OEM SERVICE PROCEDURE

Removal Procedure

IMPORTANT: An 8 digit part identification number is stamped on the bottom of the throttle body casting. Refer to this number if servicing or part replacement is required.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Resonator ReplacementΒ .
  3. Fig 1: View Of Air Cleaner Adapter Stud
    GM424550Courtesy of GENERAL MOTORS CORP.
  4. Remove the air cleaner adapter stud.
  5. Fig 2: View Of Cruise Control Cable
    GM325550Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the cruise control cable from the throttle body. Refer to Cruise Control Cable Replacement (4.3L) in Cruise Control.
  7. Fig 3: Identifying Accelerator Cable/Throttle Body Lever
    GM325556Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the accelerator cable from the throttle body. Refer to Accelerator Controls Cable ReplacementΒ .
  9. Fig 4: View Of Accelerator Cable Routing Bracket
    GM424533Courtesy of GENERAL MOTORS CORP.
  10. Remove the nuts retaining the accelerator cable routing bracket.
  11. Position the bracket aside.
  12. Remove the stud and nuts retaining the accelerator control cable bracket.
  13. Position the bracket aside.
  14. Fig 5: Locating Idle Air Control Valve Harness Connector
    GM312513Courtesy of GENERAL MOTORS CORP.
  15. Disconnect the idle air control (IAC) valve harness connector.
  16. Fig 6: Locating Throttle Position Sensor Harness Connector
    GM12885Courtesy of GENERAL MOTORS CORP.
  17. Disconnect the throttle position (TP) sensor harness connector.
  18. Fig 7: View Of Throttle Body & Attaching Studs
    GM12852Courtesy of GENERAL MOTORS CORP.
  19. Remove the throttle body retaining studs.
  20. Fig 8: View Of Throttle Body & Gasket
    GM12853Courtesy of GENERAL MOTORS CORP.
  21. Remove the throttle body assembly.
  22. Discard the throttle body seal.
Factory Service Tools

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When to See a Mechanic

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

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

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