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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...
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...
Can a normal bypass hose handle the heat of exhaust gases or do you have to weld them together with steel pipes?
The top radiator tank on my early 90's SR5 Toyota pickup, fell apart at the seams - but that took 20+ years. The only other times I see radiator...
Bonjour, je suis de la ville de Québec moi aussi. J'ai acheté ma Prius chez Ste-Foy Toyota... When I bought my Gen 4, I was worried about that...
Sounds like the heat exchanger is starting to leak. Check with the dealer to see if it’s still under warranty, CARB states have longer...
Firstly, add coolant up to the "FULL" line in both reservoirs. You didn't get the "HIGH TEMP" light alarm on the dashboard? "CHECK ENGINE"? And...
I wouldn't use any "stop leak" products, in any fluid system. they tend to stop flow in places you don't want to stop flow like: cylinder...
P148F is waterpump code. I am still puzzled where the coolant went. Without pressure test and boroscope, I cannot really tell. If there is no...
it's always good to start with a free 12 volt load test at most auto parts stores. a weak battery can cause incorrect codes to pop. then, the...
