OEM Chevrolet Avalanche 2500 Fuel Rail

Chevrolet Avalanche 2500 Fuel Rail Parts Questions & Experts Answers

• Fuel Rail
  97361353
  Q: How to replace the fuel rail assembly on Chevrolet Avalanche 2500?

  A: Recovery of the Fuel Rail assembly starts by exhaust fuel system pressure and removing the engine sight shield. The service technician should first disconnect the generator electrical connector followed by the evaporative emission (EVAP) canister purge valve electrical connector and then disconnect the electronic throttle control (ETC) electrical connector. The engine harness needs the bolt and studs removed while the position moves to the driver's side of the engine space. The fuel injector connectors need identification based on their firing order sequence before pulling each connector top up to reach the white area adjacent to releasing the tab that removes the injector connector. After disconnecting the fuel feed line from the Fuel Rail you must support the rail to stop damage to the injector electrical connector terminals and spray tips. Use caps and plugs to block entry of contaminants through the openings. Use gm x-30a engine cleaner to spray the Fuel Rail before you remove it with the Fuel Rail studs. Take out all the lower o-ring seals from each injector before disposal. The installation process requires the application of clean engine oil to new lower injector o-ring seals which must be placed on each injector spray tip end. Fasten the Fuel Rail and its studs with a torque of 12 n.m which equals 106 lb in. Secure the fuel feed line and attach fuel injector electrical connectors by matching each connector with its designated injector then turning injectors if necessary to prevent wire harness strain. Reorder all engine harness elements before installing the engine harness bolt and studs using a 10 n.m (89 lb in) torque value. Connect the etc electrical connector to its port and fit the evap canister purge valve electrical connector and the generator electrical connector. Place the engine sight shield along with the fuel fill cap while performing the reattachment of the negative Battery Cable. The inspection of fuel leaks requires turning on the ignition while engine power is off for 2 seconds followed by turning it off for 10 seconds and repeating the process of turning on the ignition before checking for any fuel leaks.