LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2004 >> Envoy RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.2L (Introduction) >> Repair Instructions >> Fuel Rail Assembly Replacement >> Disassembly Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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.