4 Runner 4WD L4-2.7L (3RZ-FE) (1996)
Catalytic Converter: Testing and Inspection
1. EXHAUST PIPE ASSEMBLY INSPECTION
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Check connections for looseness or damage
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Check clamps for weakness, cracks or damage
2. THREE-WAY CATALYTIC CONVERTER INSPECTION
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CHECK FOR DENTS OR DAMAGE
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If any part of the protector is damaged or dented to the extent that it touches the converter, repair or replace it.
3. HEAT INSULATOR INSPECTION
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Check heat insulator for damage
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Check for adequate clearance between TWC and heat insulator