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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1023 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 1 Of 4)) >> Repair Instructions (On-Vehicle & Off Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Fuel Injector Sleeve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 45910  Fuel Injector Sleeve Remover/Installer

  1. Drain the cooling system. Refer to Draining and Filling Cooling System (without HP2) in Engine Cooling.
  2. Remove the fuel injector(s). Refer to Fuel Injector Replacement in Engine Controls - 6.6L.
  3. Install J 45910  into the fuel injector sleeve.
    4. Fig 1: View Of J 45910 In Fuel Injector Sleeve
    GM840171Courtesy of GENERAL MOTORS CORP.
  4. Tighten the nut while holding J 45910  .
    5. Fig 2: Tightening Nut Using J 45910
    GM840173Courtesy of GENERAL MOTORS CORP.
  5. Install J 45910-2 over J 45910-1, which are both part of kit J 45910  , and add the washer and nut.
    6. Fig 3: View Of J 45910-2, J 45910-1, Washer & Nut
    GM840176Courtesy of GENERAL MOTORS CORP.
  6. Hold J 45910  while turning the nut to remove the fuel injector sleeve.
    7. Fig 4: Removing Fuel Injector Using J 45910
    GM840178Courtesy of GENERAL MOTORS CORP.
  7. Remove J 45910  with the fuel injector sleeve.
    8. Fig 5: View Of J 45910 Removed From Fuel Injector Sleeve
    GM840182Courtesy of GENERAL MOTORS CORP.
  8. Remove the O-rings (1).
    9. Fig 6: View Of O-Rings & Fuel Injector Sleeve
    GM761232Courtesy of GENERAL MOTORS CORP.
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