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try the vin on toyota.com/owners there are a lot of little issues with gen 4, but the heat exchanger leak is the main one. now there is talk of...
IMHO, I would NOT use any stop-leak products in modern automobiles. As our ability to manufacturer finer and more precise parts, cooling system...
if the valve that sends coolant to the heat exchange was cut off... so no coolant could get by... then how is it going to leak... coolant has to...
Prii have been recovering heat from (not the catalytic converters exactly, but the exhaust downstream of both of them) ever since Gen 3 came out....
Gen IV beginning in your model year are experiencing a heat exchanger failure located within the final catalytic converter stage approximately...
Thanks everyone, I had the issue checked by a mechanic - found leak in the heat exchanger. I’ll consider the bypass option since there is a...
4th gen has the coolant exhaust heat exchanger leak problem, leading to overheating and blown head gaskets. but 2016 can be a 3rd gen v
The previous generation, Gen 3 (2010-2015), also routed coolant through an exhaust heat exchanger for faster warmup. Though its heat exchanger is...
You should do a pressure test to find the leak. Then you can know for sure where it is leaking. NEVER USE THE ANY STOP LEAK OR HEAD GASKET...
This is exactly what my mechanic did when my exhuast heat exchanger failed and started leaking coolant into the exhaust. The replacement part had...
Feed this into Google: when did toyota fix 4th gen prius exhaust heat exchanger coolant leak problem apparently commencing in model year 2019.
gen 4 in a heartbeat. better car, less head gasket issues, brake actuators, inverters. just watch out for the potential heat exchanger coolant leak
I’m not convinced gen 4 has a head gasket issue yet. I am convinced early years have had some exhaust heat exchanger leaks
you might be able to find some info at toyota.com/owners. bear in mind that some of the early gen 4 prius had an exhaust heat exchanger leak issue.
tough to tell how many and the mileage from that short clip. there have been reports here, but a lot seem to be from overheating due to the...
if you're still losing coolant, you may need to consider the CAT/heat exchanger coolant leak. Keep an eye on the coolant reservoir because you...
the biggest problem is the exhaust heat exchanger leaking coolant and a blown head gasket/engine which hasn't been diagnosed yet. i think that's...
i actually got the heat exchanger repaired per TSB roughly in 2020? Coolant level is good. A bit higher than full. dealership filled it to that...
it is possible that the head gasket is blown, or other damage has been done to the engine. but before dealing with that, have the leak fixed and...
...suggested disconnecting the coolant hoses from the leaking heat exchanger and connecting them together with an elbow, bypassing it the leaking...
