OEM 2004 Buick Park Avenue Exhaust Manifold

2004 Buick Park Avenue Parts Questions & Experts Answers

• Q: How to replace the left exhaust manifold on 2004 Buick Park Avenue?

  A: The procedure for left Exhaust Manifold replacement starts by disconnecting Spark Plug Wires and removing the oil level indicator and tube and left engine lift bracket retaining fasteners and bracket. The exhaust crossover bolts are next to be taken off from their position between the left Exhaust Manifold followed by removing all left Exhaust Manifold retaining fasteners. Remove the left Exhaust Manifold while also removing its gasket without placing the gasket back into use. Perform a cleaning operation on the left Exhaust Manifold while also checking for any damage before initiation of the installation procedures. Install a brand new Exhaust Manifold gasket onto cylinder head studs before placing the left Exhaust Manifold against the exhaust crossover with contact to the left cylinder head. Screw on the left Exhaust Manifold fasteners while tightening them securely to 30 nm (22 ft. Lbs.). Marine 20 nm torque force must be applied to the exhaust crossover bolts when fastening them to the left Exhaust Manifold. Fasten and torque the left engine lift bracket retaining fasteners to 30 nm (22 ft. Lbs.) while keeping it installed on the engine. After reinstalling the oil level indicator as well as its tube do the final connection of Spark Plug Wires to spark plugs.