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NOTE: For ease of installing upper intake mani- fold, install a bolt 2 – 3 turns to the rearmost (3) Install fuel rail with injectors. sequence shown in (Fig. 11) to 12 N·m (105 in. lbs.). (5) Connect the fuel injector electrical connectors. NOTE: Make sure fuel injectors are located in the (6) Install screw attaching fuel rail support bracket to the throttle body support bracket. (7) Connect fuel supply hose to fuel rail. dure in this section. (9) With the DRB scan tool use ASD Fuel System Test to pressurize system to check for leaks. CAUTION: When using the ASD Fuel System Test, INTAKE MANIFOLD—UPPER 3.2L REMOVAL (1) Disconnect negative cable from remote jumper terminal. (2) Remove air cleaner housing and inlet hose (Fig. 12). (3) Remove throttle and speed control cables from throttle arm and bracket. (4) Disconnect electrical connectors from the fol- lowing sensors and actuators (Refer to Group 14, • Secondary Runner Valve (SRV) • Manifold Tuning Valve (MTV) • Throttle Position Sensor (TPS) • Idle Air Control (IAC) • Intake Air Temperature/Manifold Absolute Pres- sure (TMAP) (5) Disconnect vacuum hoses from the following: • Speed Control Reservoir • Positive Crankcase Ventilation (PCV) Valve supports. (7) Remove support brackets at intake manifold front corners and at MTV (Fig. 13). (8) Loosen upper fastener attaching throttle body to support bracket. (9) Remove clips attaching EGR tubes to intake manifold. Refer to Group 25, Emission Control Sys- (10) Remove bolts attaching intake manifold and remove manifold. INSTALLATION (1) Clean and inspect gasket sealing surfaces. NOTE: Intake gaskets can be reused, provided they (2) Inspect gasket for cuts or tears. Replace gas- kets as necessary. Fig. 12 Air Cleaner Housing and Inlet Hose Fig. 13 Intake Manifold Supports—Front LH EXHAUST SYSTEM AND INTAKE MANIFOLD 11 - 9 REMOVAL AND INSTALLATION (Continued) |