LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2004 >> Tracker 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 2.5L (LE8) (Introduction) >> Repair Instructions >> Fuel Injector Replacement >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

CAUTION: Refer to Fuel Gage Leak Caution in Cautions and Notices.
NOTE: Upon disassembly of the fuel system components, use a shop towel in order to absorb any liquid fuel that is released. A significant amount of liquid fuel entering an engine cylinder can damage internal engine parts upon the compression stroke.
  1. Relieve the fuel pressure. Refer to Fuel Pressure Relief Procedure .
  2. Remove the throttle body assembly. Refer to Throttle Body Assembly Replacement .
  3. Disconnect the fuel injector electrical connectors.
  4. Remove the fastener securing the fuel supply pipe (5) and the fuel return pipe (2) to the engine.
  5. Disconnect the vacuum hose (1) to the fuel pressure regulator.
    6. Fig 1: View Of Fuel Supply Pipe, Vacuum Hose & Fuel Return Pipe
    GM675903Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the fuel return hose (3) from the fuel pressure regulator. Use a shop towel in order to catch any remaining fuel that may leak.
    7. Fig 2: View Of Fuel Return Hose
    GM675899Courtesy of GENERAL MOTORS CORP.
  7. Remove the union bolt (3) that secures the fuel supply pipe (2) to the fuel rail. Use a shop towel in order to catch any remaining fuel that may leak.
    8. Fig 3: View Of Fuel Supply Pipe, Union Bolt & Washers
    GM675864Courtesy of GENERAL MOTORS CORP.
    Fig 4: View of Fuel Rail Crossover Pipe, Union Bolts & Washers
    GM675871Courtesy of GENERAL MOTORS CORP.
  8. Remove the two union bolts (2) securing the fuel rail crossover pipe (3) at the rear of the fuel rails. Use a shop towel in order to catch any remaining fuel that may leak.
  9. Remove the two hold down bolts (1) from the left fuel rail (2). Use a shop towel in order to catch any remaining fuel that may leak.
  10. Remove the left fuel rail (2) and fuel injectors.
  11. Remove the two hold down bolts (4) from the right fuel rail (3). Use a shop towel in order to catch any remaining fuel that may leak.
  12. Remove the right fuel rail (3) and fuel injectors. Use a shop towel in order to catch any remaining fuel that may leak.
    13. Fig 5: View Of Left & Right Fuel Rails & Bolts
    GM675890Courtesy of GENERAL MOTORS CORP.
  13. Remove the fuel injectors (3) from the fuel rail as necessary.
    14. Fig 6: View Of Fuel Injectors, O-Rings, Spacer & Fuel Pressure Regulator
    GM675888Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals