toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Evaporative Emissions System > < Three Way Catalytic Converter <--> [Catalytic Converter]|Specifications|Page 4002
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Three Way Catalytic Converter: Testing and Inspection

TWC INSPECTION 

Exhaust Pipe Assembly  

1. Check connections for looseness or damage.
2. Check clamps for weakness, cracks or damage.

Rear TWC 

Check for dents or damage. 
If any part of the protector is damaged or dented to the extent that it contacts the TWC, repair or replace it.

Rear TWC Heat Insulator 

1. Check heat insulator for damage
2. Check for adequate clearance between catalytic converter and heat insulator.

Evaporative Emissions System > < Three Way Catalytic Converter <--> [Catalytic Converter]|Specifications|Page 4002