Pacifica V6-3.8L VIN L (2005)
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5) Disconnect the EVAP hose at the throttle (Fig. 153).
6) Remove the EGR tube (Fig. 152).
7) Disconnect the idle air control (IAC) motor and throttle position sensor (TPS) wiring connectors from throttle body (Fig. 153).
8) Disconnect the manifold absolute pressure (MAP) sensor electrical connector (Fig. 152).
9) Disconnect the PCV hose (Fig. 152).
10) Disconnect the brake booster and cruise control vacuum hoses from intake manifold (Fig. 152).
11) Remove intake manifold bolts and remove the manifold.
12) Cover the lower intake manifold with a suitable cover while the upper manifold is removed.
13) Clean and inspect the upper intake manifold.
CLEANING
1) Discard gasket(s).
2) Clean all sealing surfaces.
INSPECTION
Check manifold for:
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Damage and cracks.
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Mounting surface distortion by using a straightedge and thickness gauge.
INSTALLATION - UPPER INTAKE MANIFOLD
1) If the following components were removed from manifold, install and tighten to specifications:
CAUTION: The special screws used for the composite manifold attached components must be installed slowly using hand tools only. This
requirement is to prevent the melting of material that causes stripped threads. If threads become stripped, an oversize repair screw is available.
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MAP sensor - 1.7 Nm (15 inch lbs.)
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Throttle cable bracket - 5.6 Nm (50 inch lbs.)
2) Remove covering on lower intake manifold and clean surfaces.
3) Inspect manifold gasket condition. Gaskets can be re-used, if not damaged. Position new gasket in seal channel and press lightly in-place. Repeat
procedure for each gasket position.
4) Position upper manifold on lower manifold.