OEM Chevrolet Monte Carlo Fuel Rail

Chevrolet Monte Carlo Fuel Rail Parts and Q&A

• Fuel Rail
  17113608
  Q: How to replace the fuel rail assembly on Chevrolet Monte Carlo?

  A:

  The Fuel Rail replacement must start with decompressing the fuel system followed by correct o-ring installation according to the black o-ring top positioning. Keep the holes and fittings sealed to avoid contamination. Plug the holes and cap the fittings to stop any contamination process. First detach the upper Intake Manifold in addition to the required removal of the engine fuel feed pipe from the Fuel Rail and the engine fuel return pipe from the Fuel Pressure Regulator. Users should first remove the o-rings from both fuel feed pipe and fuel return pipe before disconnecting the main injector harness and ignoring the fuel injector electrical connectors. They must next activate both the fuel injector connector lock release and lower the lock tabs to let go of the connectors. During this procedure first disconnect the ect sensor electrical connector then remove the Fuel Rail electrical wires from the rail before finally taking out Fuel Rail bolts together with the rail assembly. Any compromised Fuel Injector O-Ring seals need to be thrown out. Install the Fuel Rail assembly into the Intake Manifold after lubricating new o-ring seals with engine oil and by slightly tilting it to position the injectors. Follow the installation maintenance procedure by applying 10 n.m (89 lb in) torque on the Fuel Rail bolts. First connect the fuel injector electrical wiring harness to the designated slots and complete the ect sensor electrical connector setup before connecting all fuel injector electrical connectors which require a proper installation of slide locks into their correct positions. First install main fuel injector harness electrical connection before applying new o-rings to fuel-feed and return pipes for attachment to Fuel Rail with torque of 17 n.m (13 lb ft). The installation includes fuel return pipe attachment to the Fuel Pressure Regulator along with nut tightening to 17 n.m (13 lb ft). During this process upper Intake Manifold reinstallation and negative Battery Cable attachment must be performed. The inspection for fuel leaks requires this sequence with the ignition: turn on for 2 seconds followed by off for 10 seconds and final on position to identify any leakage.
• Fuel Rail
  17113607
  Q: How to service and repair the fuel rail on Chevrolet Monte Carlo?

  A:

  Start service and repair work on the Fuel Rail through using a Fuel Injector removal tool (J 43013) to elevate injectors while the fuel system pressure remains relieved. To ensure cleanliness you should cap all fittings while plugging the holes in order to maintain contamination-free passages. First disconnect both the fuel feed pipes and return pipes from the Fuel Rail tubes simultaneously with the vacuum line removal from the Fuel Pressure Regulator. First disconnect ignition coil wires before lifting the injector connectors upward with lock release moves. Push down to release the lock tab while raising all injector connectors from their respective ports. Forcefully remove the Fuel Rail hold-down bolts before lifting the rail by distributing uniform force between its sides. Apply clean motor oil to all newly installed o-rings afterward replacing them on every component before carefully placing the Fuel Rail assembly onto the Intake Manifold with injector seating done by hand motion. Orient the Fuel Rail hold-down bolts correctly before tightening them to 10 n.m (7 lb ft). Complete the electrical connection of fuel injectors by ensuring the connector locking mechanism activates. Route the fuel feed and return pipes to the Fuel Rail tubes while directing the vacuum line to the Fuel Pressure Regulator then replace the ignition coil wires. Follow this procedure to tighten the fuel fill cap while reconnecting the negative Battery Cable before inspecting for leaks by performing the prescribed turning of the ignition. Install the fuel injection sight shield as the last step of the procedure.