GM 12557286
Exhaust Manifold, Passenger Side

Place your attention on replacing the right Exhaust Manifold by starting with the wheelhouse panel removal along with the oil level indicator tube. Twist each Spark Plug boot one-half turn to free it before you pull on the boot and remove the Spark Plug Wires from their installations. The replacement process starts with removing the spark plugs before proceeding to take off exhaust gas recirculation (EGR) pipe nuts from the Exhaust Manifold and the egr pipe bracket bolt. Discard the egr pipe gasket during this stage. First, elevate the vehicle while providing support then detach the egr pipe from its position before removing Exhaust Manifold heat shield fasteners and its shielding component. Lower the vehicle while proceeding to take out Exhaust Manifold bolts and nuts before removing the manifold together with the gasket. The manifold should be cleaned before inspection to determine whether it needs reuse. First install the new Exhaust Manifold Gasket before installing the Exhaust Manifold and tighten the bolt to 35 nm (26 ft. Lbs.) while the nuts require a torque of 16 nm (12 ft. Lbs.). Afteriness the vehicle another time to put the heat shield into place with its securing bolts and nuts then tightening them to 25 nm (18 ft. Lbs.). Position the egr then install a new egr pipe gasket while connecting the egr pipe bracket bolt with 50 nm (37 ft. Lbs.) tension and the egr pipe nuts to the Exhaust Manifold at 30 nm (22 ft. Lbs.). The last step includes attaching the spark plugs by verifying complete wire boot seating with repeated boot end pressure then reattaching wires to plugs and coils and reinstalling the oil level indicator tube before fitting the wheelhouse panel.

Remove the spark plug wires from the spark plugs and ignition coils, followed by the spark plugs.

If necessary, take off the heat shield bolts and shield from the exhaust manifold.