Q: How to service and repair the right-hand (RH) exhaust manifold on Lincoln MKZ?
A: In order to fix the RH exhaust manifold, disassemble the RH catalytic converter and HO2S sensor. Installation Throw away the six nuts and gasket, wash the manifold using no metal tools, and re-install the studs. Install new studs and nuts and tighten them in phases. Re-connect HO2S sensor and replace catalytic converter.
Q: How to service the right-hand exhaust manifold on Lincoln Navigator?
A: In order to service the right-hand exhaust manifold, disconnect the battery ground, lift the vehicle, and loosen the Y pipe nuts. Unscrew the right front wheel and fender splash shield, unscrew the starter cable and unscrew the manifold and gasket. Invert these steps to install, with a new gasket.