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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1676 (Engine Mechanical - 3.8L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Supercharger Removal

Supercharger Removal

WARNING: This page is about a different car, the 2003 Buick Regal. 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.
    Fig 1: Removing Fuel Injector Rail, Nuts & Stud
    G01969314Courtesy of GENERAL MOTORS CORP.
  4. Remove the fuel injector rail.
  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.
    Fig 2: Removing Boost Bypass, Bolts & Hose
    G01969315Courtesy of GENERAL MOTORS CORP.
  9. Remove the bolts from the vacuum block.
  10. Remove the engine wiring harness heat shield bolt and nut.
    Fig 3: Removing Engine Wiring Harness Heat Shield, Bolts & Nut
    G01969316Courtesy of GENERAL MOTORS CORP.
  11. Remove the engine wiring harness heat shield.
  12. Remove the MAP sensor bracket bolts and hose.
    Fig 4: Removing MAP Sensor, Bolts, Hose & Bracket
    G01969317Courtesy of GENERAL MOTORS CORP.
  13. Remove the MAP sensor bracket.
    IMPORTANT: Note the location of the spacers and the bolt sizes to aid in installation.
  14. Remove the TBI nuts.
    Fig 5: Removing TBI, Nuts & Gasket
    G01969318Courtesy of GENERAL MOTORS CORP.
  15. Remove the TBI and gasket.
  16. Remove the bolts, spacers, and the stud from the supercharger.
  17. Remove the supercharger.
    Fig 6: Removing Supercharger & Bolts
    G01969319Courtesy of GENERAL MOTORS CORP.
  18. Remove the supercharger gasket.
    Fig 7: Removing Supercharger Gasket
    G01969320Courtesy of GENERAL MOTORS CORP.
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