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HOMESERVICE MANUALSCHEVROLET2005CHEVY EXPRESS H1500, VAN PASSENGERREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 4.3L - INTRODUCTION)REPAIR INSTRUCTIONSFUEL PRESSURE GAGE INSTALLATION AND REMOVALREMOVAL PROCEDURE
2005 Chevrolet Chevy Express H1500, Van Passenger

Removal Procedure

2005 Chevrolet Chevy Express H1500, Van PassengerSECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
  1. Place the fuel pressure gage bleed hose into an approved container and open the bleed valve to bleed OFF fuel system pressure.
  2. Place a shop towel under the J 34730-1A  to catch any remaining fuel spillage. See Special Tools .
    3. Fig 1: Identifying Fuel Pressure Gauge J 34730-1A
    GM180378Courtesy of GENERAL MOTORS CORP.
  3. Remove the J 34730-1A  from the fuel pressure connection. See Special Tools .
  4. Drain any fuel remaining in the fuel pressure gage into an approved container.
  5. Inspect for leaks using the following procedure:
    1. Turn ON the ignition, with the engine OFF for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition, with the engine OFF.
    4. Inspect for fuel leaks.
  6. Install the cap on the fuel pressure connection.
  7. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.
RENDER: 1.0x

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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.