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(18) Remove fuel rail mounting bolts. Lift fuel rail assembly off of intake manifold. INSTALLATION (1) Be sure injectors are seated into the receiver cup with lock ring in place. (2) Make sure the injector holes are clean and all plugs have been removed. (3) To ease installation, lubricate injector O-ring with a drop of clean engine oil. (4) Put the tip of each injector into their ports. Push the assembly into place until the injectors are (5) Install fuel rail attaching bolts. Tighten bolts to 13 N Im (115 in. lbs.) torque. (6) Install fuel supply and return tube holddown bolt and the vacuum crossover tube holddown bolt. Im (95 in. lbs.) torque. (7) Connect fuel injector wiring harness to engine wiring harness. (8) Connect vacuum harness to fuel rail assembly. and clean surface. (10) Place intake manifold gaskets with beaded sealer up on lower manifold. Put air intake in place. Im (115 in. lbs.) torque. (11) Connect fuel lines to fuel rail. Tighten hose clamps to 1 N Im (10 in. lbs.) torque. (12) Connect vacuum harness to air intake plenum and fuel pressure regulator. (13) Connect coolant temperature sensor electrical connector to sensor. (14) Connect EGR tube flange to intake plenum. Tighten mounting nuts to 22 N Im (200 in. lbs.) torque. (15) Connect PCV and brake booster supply hose to intake plenum. (16) Connect idle air control motor and throttle po- sition sensor (TPS) electrical connectors. (17) Connect vacuum vapor harness to throttle body. (18) Install throttle cable. CAUTION: When using the ASD Fuel System Test, (21) With the ignition key in ON position, access the DRBII scan tool ASD Fuel System Test to pres- FUEL PRESSURE REGULATOR SERVICE REMOVAL WARNING: THE 3.0L MPI FUEL SYSTEM IS UNDER PROCEDURE BEFORE SERVICING THE FUEL PRESSURE REGULATOR. (1) Perform the Fuel Pressure Release Procedure. Fig. 10 Removing Air Intake Plenum Fig. 11 Vacuum Connections at the Fuel Rail Fig. 12 Fuel Injector Wiring Harness Ä FUEL SYSTEMS 14 - 141 |