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Home >> GMC >> 2000 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Pump Balance Module - Dual Tank >> Removal & Installation >> Fuel System Pressure Relief
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Fuel System Pressure Relief

  1. Disconnect negative battery cable. Loosen fuel filler cap to relieve fuel tank pressure. Install appropriate fuel pressure gauge to fuel pressure connection.
  2. Wrap shop towel around pressure connection when installing fuel pressure gauge to absorb fuel leakage. Place gauge bleed hose into suitable container. Open bleed valve to bleed fuel pressure.