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Home >> Acura >> 2009 >> MDX V6-3.7L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Catalytic Converter >> Service and Repair >> Warm Up TWC Removal/Installation
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Warm Up TWC Removal/Installation




Warm Up TWC Removal/Installation

FRONT

1. Remove the radiator and A/C condenser fan assemblies. Service and Repair

2. Disconnect the front air fuel ratio (A/F) sensor connector and front secondary heated oxygen sensor (secondary HO2S) connector.

3. Carefully remove the front WU-TWC.

4. Carefully install the front WU-TWC, and tighten the nuts in a crisscross pattern in two or three steps.

5. Install the parts in the reverse order of removal.






REAR

1. Remove exhaust pipe A. Service and Repair

2. Remove the intermediate shaft. Intermediate Shaft Removal

3. Disconnect the rear air fuel ratio (A/F) sensor connector and the rear secondary heated oxygen sensor (secondary HO2S) connector.

4. Remove the rear WU-TWC bracket, then remove the rear WU-TWC.

5. Install the rear WU-TWC, and tighten the nuts in a crisscross pattern in two or three steps.

6. Install the parts in the reverse order of removal.





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