OEM Buick LeSabre Fuel Rail

Buick LeSabre Fuel Rail Parts Questions & Experts Answers

• Fuel Rail
  17113198
  Q: What precautions should be taken when servicing the fuel rail assembly on Buick LeSabre?

  A: Service personnel must take precautionary measures to shield the Fuel Rail assembly against contaminants while performing maintenance because they need to install caps on the fittings and plugs on the holes. First release the fuel pressure present in the fuel system. The service begins with Fuel Rail connection cleaning before the fuel feed pipes and return pipes and their hoses from the Fuel Pressure Regulator and Throttle Body are successfully detached. Moving on, disconnect the Ignition Coil wires from their coils while taking off the electrical connectors from the Fuel Injectors. To proceed disconnect the Fuel Rail holding bolts then extraction of the Fuel Rail using identical pressure on both sides. Use proper orientation when installing the o-rings where the black o-ring fits into the upper slot and brown o-ring fits into the lower slot unless the colors differ. After installing the Fuel Rail assembly onto the Intake Manifold users should seat the fuel injectors manually while also applying clean motor oil to the Fuel Injector o-rings before replacing all new components o-rings. Connect the Fuel Rail hold-down bolts and torque them to 10 nm (7 lb ft). The first installation task involves connecting electrical connectors to fuel injectors before adding fuel feed and return pipes to the Fuel Rail, followed by a vacuum hose to the Fuel Pressure Regulator and vacuum hoses to the Throttle Body alongside Ignition Coil wire installation to ignition coils. You should install the Fuel Injector sight shield at the end of the installation process.