Maniverter Gasket - Removal

REMOVAL

NOTE: This procedure applies to vehicles equipped with an automatic transmission. On vehicles equipped with a manual transmission, remove the exhaust manifold Exhaust Manifold - Removal .





1. Disconnect and isolate the negative battery cable.
2. Remove the engine cover (1).





3. Remove the air cleaner body (6) Air Cleaner Body - Removal.





4. Raise and support the vehicle Maintenance.
5. Remove the belly pan Belly Pan - Removal.





6. Remove four bolts (1) and the tunnel support brace (2).





7. Remove the exhaust flange nuts (1).
8. Remove the maniverter pipe extension support bolt (2).





9. Remove the engine cooling fan (2) Cooling Fan - Removal.





10. Disconnect the electrical connectors from the upstream and downstream oxygen sensors.
11. Remove two nuts (1), four bolts (3) and the maniverter heat shield (2).






CAUTION: The maniverter studs are installed in the cylinder head with a thread sealant. If the studs rotate during service this indicates that the seal is broken and the stud must be replaced. Failure to replace the studs can result in engine oil leaking onto the exhaust manifold.

12. Mark the end of the nine maniverter mounting studs with a paint pen or equivalent to indicate possible stud rotation.
13. Remove nine nuts (1) and reposition the maniverter (4) away from the cylinder head.
14. Check the markings on the studs for indication of rotation. If there is evidence of stud rotation, replace the stud Exhaust Manifold Stud Replacement.
15. Remove and discard the maniverter gasket.