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The coolant still has to be going somewhere though. If it is leaking out of the exhaust heat exchanger, there are puddles under the car and...
Re: heat exchanger leak How common is the problem ? Is it covered under warranty in California? Thanks !
how is the coolant level? some gen 4's develop leaks at the exhaust heat exchanger
Our 2011 Prius (185.,000 miles) is running through coolant quickly. It's not the head gasket, so that would seem to indicate a leak in the heat...
Yea, there was something about the heat exchanger in the exhaust under the car. It cracked or something and coolant leaked out....
sounds like they missed the heat exchanger leak on the first go round, and changed the head gasket unnecessarily
The only time I had a Prius overheat was due to air in the cooling system after a drain/refill. Your original loss of fluid was likely due to a...
Are the reason I thinking it's not the exchanger which I've been reading about and I see it can be bypassed, is it? There was signs of coolant...
That leak goop probably gets everywhere ... front radiator, heater core, EGR cooler, exhaust heat exchanger....
While not essential information, the coolant leak is not into the catalytic converter as described in the last video. It is into the exhaust heat...
If the problem is actually in the exhaust gas heat exchanger; California Smog laws requires Toyota to fix it - free; See CARB laws. Have the...
I would cap them off since a leak inside of the heat exchanger could push exhaust gasses out.
Old hoses getting that much heat can leak if disturbed. I don't wanna deal w exchanger coolant....
I think they did scope it on the first visit to the dealer. No fluid.
Yeah, @DoryNina what was the miles on the car? Head gasket failure on 4th gen is virtually non-existant, and the exhaust heat exchanger leak is...
If the exhaust Heat Recirc system was bypassed AND the heat exchanger coolant inlet and outlets were not capped, an exhaust leak could happen....
ah, the infamous exhaust heat exchanger leak. that would mean loss of coolant and a fried engine. didn't realize it was a gen 3 problem.
The fix was a change in the heat exchanger design to prevent the leak. 21’s are probably okay, have you read through all the threads?
there have been reports of leaking coolant from the exhaust heat exchanger. if you never got a temp light, hopefully it is just low
It appears as though we have had both problems... The head gasket needed repair and now the car is with Toyota for the heat exchanger repair....
