OEM 2004 Cadillac XLR Exhaust Manifold

2004 Cadillac XLR Exhaust Manifold Parts Questions & Experts Answers

• Q: How to replace the right exhaust manifold on 2004 Cadillac XLR?

  A: Start the right Exhaust Manifold replacement by removing the powertrain then the bolt supporting the catalytic converter pipe against the bell housing. The next step involves unlocking the connector position assurance lock of the Oxygen Sensor before disconnecting its electrical connectors numbers one and two. The next step involves removing the oxygen sensors and the right Exhaust Manifold heat shield bolts as well as the heat shield on its own. Soak the bolts and nuts holding the Exhaust Manifold after both are extracted from their positions so you can discard the gasket together with the Exhaust Manifold. First install a 5 mm (0.2 inch) band of threadlock gm p/n 12345493 (Canadian P/N 10953488) or equivalent on the Exhaust Manifold bolts and studs threads. Afterward, position the Exhaust Manifold with a new gasket and install the Exhaust Manifold nuts and bolts. Use 25 nm torque (18 ft. Lbs.) to fasten the Exhaust Manifold bolts and nuts beginning with the center pair while working from one side to another. Fasten the Exhaust Pipe connecting the bell housing with a catalytic converter by tightening the exhaust hanger bolt to 50 nm (37 ft. Lbs.). Position and bolt together the right Exhaust Manifold heat shield before tightening its bolts to 10 nm (89 inch lbs.). Thread the oxygen sensors with anti-seize compound gm p/n 12377953 or equivalent before installing them and tightening each sensor to 42 nm (30 ft. Lbs.). After connecting the Oxygen Sensor electrical terminals users must reinstall the powertrain together with cpa locks and complete the installation procedure.