Malibu L4-2.4L (2010)
Exhaust Manifold: Service and Repair
Exhaust Manifold Replacement - Right Side
Exhaust Manifold Replacement - Right Side
Special Tools
J 39194-B Heated Oxygen Sensor Socket
Removal Procedure
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.
Caution: The use of excessive force may damage the threads in the exhaust manifold/pipe.
Note: The in-line connector and louvered end must be kept clear of grease, dirt or other contaminants. Avoid using cleaning solvents of any type. DO
NOT drop or roughly handle the heated oxygen sensor (HO2S).
Note: The HO2S may be difficult to remove when the engine temperature is less than 48°C (120°F)
1. Remove the generator. Refer to Generator Replacement (See: Starting and Charging/Charging System/Alternator/Service and Repair/Generator
Replacement).
2. Remove the connector position assurance (CPA) retainer (3).
3. Disconnect the engine wiring harness electrical connector (2) from the HO2S electrical connector.
4. Remove the HO2S electrical connector rosebud clip (1) from the ignition coil bracket.
