G6 V6-3.9L (2009)
Caution: The oxygen sensor uses a permanently attached pigtail and connector. Do not remove the pigtail from the oxygen sensor. Damage to or
removal of the pigtail connector could affect proper operation of the oxygen sensor.
13. Remove the lower right and left HO2S (1, 2) using the J 39194-B .
14. Remove the left (front) catalytic converter to right (rear) catalytic converter nuts (3).
15. Remove the right (rear) catalytic converter bolt (5) and nuts (1) at the exhaust manifold.
16. Remove and discard the gasket (6).
17. Remove the right (rear) catalytic converter (2).
18. Remove the left (front) catalytic converter (4).
19. Remove and discard the left (front) catalytic converter to manifold gasket.
20. Inspect the catalytic converter-to-exhaust manifold flange.
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Service Limit: 0.7 mm (0.028 in) max.
*
Standard: 0.7 mm (0.028 in) max.
Installation Procedure