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• 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 intake manifold supports. (7) Remove support brackets at intake manifold front corners and at MTV (Fig. 10). (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, tears, or deformation. Replace gaskets as necessary. (3) Install intake manifold and hand start all attaching bolts. (4) Tighten bolts gradually in sequence shown in (Fig. 11) until a torque of 12 N·m (105 in. lbs.) is (5) Install right (Fig. 8) and left side (Fig. 9) intake manifold supports. Fig. 8 Intake Manifold Support—Right Side Fig. 9 Intake Manifold Support—Left Side Fig. 10 Intake Manifold Supports—Front Fig. 11 Upper Intake Manifold Tightening Sequence 300M EXHAUST SYSTEM AND INTAKE MANIFOLD 11 - 7 REMOVAL AND INSTALLATION (Continued) |