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Home >> Chevrolet >> 2004 >> TrailBlazer 4.2 S, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.2L (Introduction) >> Repair Instructions >> Fuel Rail Assembly Replacement >> Disassembly Procedure
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Disassembly Procedure

  1. Remove the fuel injectors. Refer to Fuel Injector Replacement .
  2. Remove the fuel pressure regulator. Refer to Fuel Pressure Regulator Replacement .
  3. Remove the fuel injector harness from the fuel rail.
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