Fuel Rail: Service and Repair

Four Cylinder Engines

1. Release fuel system pressure as previously described.
2. Disconnect fuel supply and return lines from manifold.
3. Disconnect injector wiring harness.
4. Disconnect vacuum line from pressure regulator valve.
5. Remove two manifold attaching bolts and manifold.
6. Reverse procedure to install. Torque manifold attaching bolts to 15 - 22 ft. lbs.




V6-182 Engine

1. Remove throttle body assembly as previously described.
2. Disconnect fuel supply and return lines using tool No. T81P-19623-G or equivalent.
3. Disconnect injector wiring harness.
4. Disconnect vacuum line from pressure regulator valve.
5. Remove four fuel manifold attaching bolts and the manifold.
6. Reverse procedure to install. Install one side of fuel manifold with bolts finger tight, then complete installation of other side and torque all bolts to 68 ft. lbs.






1. Remove upper intake manifold assembly as previously described.
2. Disconnect fuel crossover hose from fuel supply manifold using tool No. T81P-19623-G or G1 or equivalent.
3. Disconnect fuel supply and return line connections from fuel supply manifold, then remove fuel supply manifold attaching bolts.
4. Remove manifold and fuel injectors as an assembly.
5. Reverse procedure to install. Torque manifold attaching bolts to 6 - 8 ft. lbs.