2004 Buick Rendezvous Exhaust Hanger

You need to remove the throttle body air inlet duct, drain the engine coolant from the cooling system, remove the right engine mount strut bracket, disconnect the inlet radiator hose from the engine, remove the thermostat bypass pipe, the exhaust crossover pipe, the Exhaust Manifold heat shield bolts, and remove the exhaust manifold heat shield, the exhaust manifold nuts, the exhaust manifold, and remove the exhaust manifold gasket, lastly clean the engine left side exhaust manifold to the engine left side cylinder head sealing surfaces.

You need to raise and support the vehicle, use a utility stand to support the catalytic converter, remove the catalytic converter bolts, remove the catalytic converter gasket, remove the exhaust hanger insulators from the Muffler, use a utility stand to support and lower the crossmember, then remove the muffler towards the front of the vehicle, and clean the catalytic converter flange and the muffler flange.

You need to install the catalytic converter seal, install the catalytic converter to the exhaust manifold, connect the catalytic converter to the catalytic converter hangers, remove the utility stand, then install the catalytic converter nuts, install the oxygen sensor electrical connector, finally lower the vehicle.