2004 Chevrolet Monte Carlo LSFACTORY OEM SERVICE PROCEDURE

Fuel Pressure Relief Procedure

Tools Required

    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  1. Disconnect the negative battery terminal.
  2. IMPORTANT: Install the fuel pressure gauge fitting above the belt in order to avoid contact with the belt.
  3. Install the J 34730-262Β  adaptor to the fuel pressure connection. See Special Tools and EquipmentΒ .
  4. Connect the J 34730-1AΒ  to the fuel pressure connection. Wrap a shop towel around the fuel pressure connection while connecting the fuel pressure gauge in order to avoid spillage.
  5. Install the bleed hose into an approved container and open the valve to bleed the system pressure. The fuel connections are now safe for servicing.
  6. Drain any fuel remaining in the fuel pressure gauge into an approved container.
  7. Remove the J 34730-1AΒ  and install the fuel pressure port cap.
  8. Fig 1: Fuel Pressure Gauge
    GM180378Courtesy of GENERAL MOTORS CORP.
Factory Service Tools

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When to See a Mechanic

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

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

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