2005 Buick Park Avenue Intake Manifold

First, you need to remove the fuel injector sight shield, disconnect the manifold vacuum source, remove the evaporative emission canister purge valve, and secure the hoses to the air inlet grill. Then, please disconnect the right spark plug wires from the ignition module and position them aside, remove the Manifold Absolute Pressure (MAP) sensor, the engine wiring harness heat shield, the fuel rail mounting bolts and the fuel rail with the injectors, the throttle body support bracket. You also need to remove the air cleaner intake duct, and the throttle body, and position aside the throttle body gasket, and the upper intake manifold. Finally, you should clean and inspect the upper intake manifold, and clean the lower intake manifold mating surface.

First, you need to remove the upper intake manifold and the thermostat housing and disconnect the electrical connector from the ECT. Then, please remove the drive belt tensioner, the EGR valve outlet pipe, and the lower intake manifold. Finally, you should clean and inspect the lower intake manifold.

First, you need to install the lower intake manifold gasket and the lower intake manifold, apply Threadlocker 272 GM P/N 12345493 (Canadian P/N 10953488) to the bolt threads and install the lower intake manifold bolts. Then, please install the EGR valve outlet pipe and the drive belt tensioner, and connect the electrical connector from the ECT. Finally, you should install the thermostat housing and the upper intake manifold.

The recommended torque is 10 N.m (89 lb in).