OEM 2007 Cadillac DTS Exhaust Manifold

2007 Cadillac DTS Exhaust Manifold Parts Questions & Experts Answers

• Q: How to replace the left side exhaust manifold on 2007 Cadillac DTS?

  A: Start the left side Exhaust Manifold replacement process by taking out the front Engine Mount Bracket together with the connector position assurance retainer. Disconnect the engine harness electrical connector the heated Oxygen Sensor (HO2S) and afterward remove the ho2s. The process to remove the Exhaust Manifold begins by uninstalling both the Exhaust Manifold bolts and Exhaust Manifold front pipe bolts before extracting the Exhaust Manifold. The Exhaust Manifold Gasket goes into disposal along with the first Exhaust Manifold pipe seal before removing the front Exhaust Manifold pipe flange. You must begin installation by connecting the front Exhaust Manifold pipe flange along with a new seal onto the Exhaust Manifold. Install the upper right manifold bolt at its intended location into the Exhaust Manifold before applying the new Exhaust Manifold Gasket on the bolt side that faces the manifold. The Exhaust Manifold needs to be inserted into the front Exhaust Manifold pipe with the Cylinder Head while you begin finger-starting the Exhaust Manifold bolt. Begin by installing Exhaust Manifold bolts starting at location . Tighten them from right to left while torquing the front bolt to 25 n.m (18 lb ft). The next procedure involves fixing the Exhaust Manifold front pipe bolts. Install the ho2s after treating its threads with anti-sieze compound gm p/n 12377953 or similar product and torque it to 41 n.m (30 lb ft). The engine harness electrical connector must be joined to the ho2s while you install the cpa retainer followed by front Engine Mount Bracket replacement.