Can a catalytic converter leak coolant?
Can a catalytic converter leak coolant? It's far more likely that the coolant is leaking down the outside of something, dripping onto the catalytic converter and then dripping off the bottom. If you are lucky, coolant will squirt out where previously it had been seeping. How does catalytic converter get coolant? Oil or Antifreeze Entering the Exhaust System. First, these carbon deposits stop the catalytic converter from doing its job of removing harmful emission in the exhaust flow. Second, When the pores become clogged in the ceramic catalyst, exhaust flow is restricted which increases backpressure. What causes coolant to leak...