OEM 2009 Chevrolet Equinox Exhaust Manifold

2009 Chevrolet Equinox Parts Questions & Experts Answers

• Q: How to replace the right side exhaust manifold (LNJ) (3.4L) on 2009 Chevrolet Equinox?

  A: The right side Exhaust Manifold (LNJ) (3.4L) replacement process requires unconnecting the Oxygen Sensor electrical connector as a first step. Unfasten three nuts which hold the exhaust crossover pipe to the right Exhaust Manifold. Raise and support the vehicle. Secure the Catalytic Converter to the side through three nuts then set it apart from the Exhaust Manifold. Begin by unscrewing the 3 bolts from the Exhaust Manifold heat shields and afterwards detach both heat shields (1, 2). Following the removal of 3 Exhaust Manifold nuts and the Exhaust Manifold you need to remove the Exhaust Manifold Gasket . The replacement of the engine right side Exhaust Manifold requires removal of the heated Oxygen Sensor (HO2S). Phenomenon or necessity for stud removal necessitates cleaning the Exhaust Manifold surfaces together with the Cylinder Head sealing surfaces. Install the Exhaust Manifold studs after removal if necessary then torque these to a maximum of 18 nm (13 lb ft). If removed, install the ho2s. Place the Exhaust Manifold Gasket along with the Exhaust Manifold in position before tightening the manifold nuts to 16 nm (12 lb ft). The installation process begins with heat shield upper and lower components before moving to heat shield bolt tightness of 10 nm (89 lb in). Secure the Catalytic Converter into position on the Exhaust Manifold then torque its mounting nuts to the indicated specification. Place the exhaust pipe crossover below the vehicle then fasten its nuts to the right Exhaust Manifold. Finally, connect the ho2s electrical connector.