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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1244 (Engine Mechanical - 3.8L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Supercharger Removal

Supercharger Removal

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the spark plug wires.
  2. Remove the vacuum line from the fuel injector rail.
  3. Remove the fuel injector rail nuts and stud.
  4. Remove the fuel injector rail.
    Fig 1: Removing Fuel Injector Rail
    G02083740Courtesy of GENERAL MOTORS CORP.
  5. Remove the booster bypass nut and hose.
  6. Remove the booster bypass.
  7. Remove the regulator valve and the harness bolt.
  8. Remove the boost solenoid bolts and hose.
  9. Remove the bolts from the vacuum block.
    Fig 2: Removing Booster Bypass Nut And Hose
    G02083741Courtesy of GENERAL MOTORS CORP.
  10. Remove the engine wiring harness heat shield bolt and nut.
  11. Remove the engine wiring harness heat shield.
    Fig 3: Removing Engine Wiring Harness Heat Shield
    G02083742Courtesy of GENERAL MOTORS CORP.
  12. Remove the MAP sensor bracket bolts and hose.
  13. Remove the MAP sensor bracket.
    Fig 4: Removing MAP Sensor Bracket
    G02083743Courtesy of GENERAL MOTORS CORP.

    Important:  Note the location of the spacers and the bolt sizes to aid in installation.

  14. Remove the TBI nuts.
  15. Remove the TBI and gasket.
    Fig 5: Removing TBI And Gasket
    G02083744Courtesy of GENERAL MOTORS CORP.
  16. Remove the bolts, spacers, and the stud from the supercharger.
  17. Remove the supercharger.
    Fig 6: Removing Supercharger
    G02083745Courtesy of GENERAL MOTORS CORP.
  18. Remove the supercharger gasket.
    Fig 7: Removing Supercharger Gasket
    G02083746Courtesy of GENERAL MOTORS CORP.