Grand Cherokee 4WD V8-5.7L VIN 2 (2007)
Catalytic Converter: Service and Repair
Inspection
INSPECTION
Look at the stainless steel body of the converter, inspect for bulging or other distortion that could be a result of overheating.
If you suspect internal damage to the catalyst, tapping the bottom of the catalyst with a rubber mallet may indicate a damaged core.
