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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 4.8L, 5.3L, AND 6.0L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSQUICK CONNECT FITTING(S) SERVICE (PLASTIC COLLAR)REMOVAL PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: Blowing Dirt Out Of Fitting (Plastic Collar)
    GM155410Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure before servicing any fuel system connection. Refer to Fuel Pressure Relief Procedure .
    2. CAUTION: Wear safety glasses when using compressed air in order to prevent eye injury.
  2. Using compressed air, blow any dirt out of the quick-connect fitting.
    3. Fig 2: Squeezing Quick Connect Fitting Release Tabs (Plastic Collar)
    GM12777Courtesy of GENERAL MOTORS CORP.
  3. Squeeze the plastic retainer release tabs.
    4. Fig 3: Pulling Connection Apart (Plastic Collar)
    GM12778Courtesy of GENERAL MOTORS CORP.
  4. Pull the connection apart.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.