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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...
400 degrees is HOT HOT HOT. It really sounds like a leak in the exhaust heat exchanger. I'd think you'd see some white smoke in the exhaust as...
...suggested disconnecting the coolant hoses from the leaking heat exchanger and connecting them together with an elbow, bypassing it the leaking...
I wouldn't jump to conclusions. Refill and burp the system. Keep an eye on coolant levels over the next few days. It's more likely a leak into the...
Yes, usually it's a closed loop, but not while it's leaking through the exhaust system and if you look at the video starting at the time stamp I...
Does it ever, infamous for leaking too.
It’s not
Thanks for sharing! I watched videos about it and you're likely right about coolant leak in heat exchanger. Very thankful dealer will handle under...
MJOO, this evening was a lot cooler, allowing me to get under the car again. After another good look w fresh eyes, I believe you are correct about...
it's not a recall, but there is a service bulletin if a customer complains. tsb-coolant-leakage-at-front-exhaust-pipe-prius-prius-prime.211059 the...
What's weird is gen 3 had the exhaust heat exchanger too, and theirs never developed any special reputation for springing leaks. Something about...
What puzzles me is that the exhaust heat recirculation system was introduced a dozen years ago in Gen 3, and yet I just haven't been hearing such...
Thanks, the heat exchanger has been bypassed, it had been leaking hence the bubbles. Is the pressure in the hose normal, as in not being able to...
Well, the cooling system is a closed loop, so depending on where you put your finger while you're talking, the coolant goes through the exhaust...
