OEM 2000 Buick Century Exhaust Manifold

2000 Buick Century Parts Questions & Experts Answers

• Q: How to replace the right exhaust manifold on 2000 Buick Century?

  A: The replacement of the right Exhaust Manifold begins with disconnecting the battery ground cable. Start by disconnecting the throttle body air inlet duct whereas the next step involves separating the exhaust crossover pipe heat shield and exhaust crossover pipe nuts which secure the right Exhaust Manifold. Allow access to the vehicle by raising it and disconnect the heated Oxygen Sensor (H02S) wiring harness connector. Detach the three-way catalytic converter pipe in conjunction with exhaust gas recirculation (EGR) tube from the right Exhaust Manifold. Begin by removing all hardware which attaches the heat shields including their bolts and putting those aside. Begin by removing the right Exhaust Manifold nuts and removing the manifold then proceed with taking out the gasket. Cleansurface for sealing on the right Cylinder Head and removes heated Oxygen Sensor (H02S). The heated Oxygen Sensor (H02S) and right Exhaust Manifold gasket installation must start before placing the right Exhaust Manifold on while tightening its nuts to 16 nm (12 ft. Lbs.). After installing both heat shields move on to securing the bolts to 10 nm (89 inch lbs.), first the lower heat shield bolts then the upper ones. Secure the connection of EGR Tube along with three-way catalytic converter pipe onto the right Exhaust Manifold. After performing the tasks to lower the vehicle and reconnect the heated Oxygen Sensor (H02S) wiring harness connector the technician will install exhaust crossover pipe nuts and heat shield. The procedure ends with inserting the throttle body air inlet duct and attaching the battery ground (negative) cable.