Download Installation All engines 1. NOTE: Lubricate the new O-ring seals with clean engine oil to aid installation. Install new O-ring seals, as required. 2. Install the fuel injectors into the fuel injection supply manifold. 3. Position the fuel injection supply manifold and install the four bolts. 4. Connect the evaporative emission canister purge valve hose and the EGR valve vacuum hose. 4.6L engines 5. Install the exhaust manifold to EGR valve tube. 6. Connect the differential pressure feedback EGR system electrical connector. 5.4L engines 7. Install the exhaust manifold to EGR valve tube and connect the differential pressure feedback EGR system hoses. All engines 8. NOTE: 4.6L shown, 5.4L similar. Install the positive crankcase ventilation (PCV) hose. 9. Install the crankcase ventilation tube. 4.6L engines 10. Connect the brake booster vacuum tube and bracket and install the nut. 5.4L engines 11. Install the brake booster vacuum tube and bracket. 12. Connect the water heater inlet tube hose. 1. Connect the water heater inlet tube hose.