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4th gens have a problem with coolant leaks in the exhaust heat exchanger; something to check. ah, see this: the coolant leaks that occur in the...
...the coolant loss before overheating occurs. The leaking heat exchanger can be replaced under warranty if it is still covered, but part...
While reading your post, I was convinced that the problem would be at the exhaust heat exchanger, until you mentioned at the end that it has...
Our 2016 Prius is back at the dealership after a head gasket repair in response to a coolant leak 2 months ago…with another coolant leak. With...
be aware of the possible exhaust coolant heat exchanger leak
Similarly if the head is warped - the leak comes by way of steam bypassing head gasket) that funnels through the exhaust system. Just read that...
Any follow up? My guess is heat exchanger leak?
like denying the gen 4 heat exchanger coolant leak?
The Cat is the box in front of the heat exchanger, the coolant will have leaked into the heat exchanger, vapourised then condensed further back in...
The Gen4s are great cars so it should be a good buy. Keep an eye on your coolant level as the heat recovery exchanger does tend to develop leaks....
I'd check for cracks in the coolant hoses going to/from your exhaust heat recovery (EHR) heat exchanger. Otherwise IMHO it's a leak in your heat...
Catalyst with gaskets point to heat exchanger leak… either suspected or detected…
White smoke could be the heat exchanger on the exhaust leaking coolant into the exhaust.
The heat exchanger leaks aren’t gushers, for crying out loud!
Yes it does. There is a heat exchanger just aft of the second cat, which harvests heat from the exhaust stream to get the coolant up to operating...
Once you get finished bypassing the heat exchanger, just do another pressure test. You should want to test your work, before buttoning everything...
have you checked the exhaust coolant heat exchanger, so famous for leaking?
i would ask to see the leak in the heat exchanger. is this an extended warranty claim?
I memory serves, the heat exchanger has a thermostatically controlled bypass to prevent the coolant boiling out. It it possible that this has...
if i buy a used cat is there any way to tell if the heat exchange is working and not leaking?
