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Coolant leaks into the exhaust through a heat exchanger and is burned off. Requires a hose bypass or a new catalytic converter if in a strict...
is just keeping an eye on coolant level enough. will any engine lights appear before its too late?
As Bisco said, check your coolant level. 2016-2017 Prii have a history of developing coolant leaks in the catalytic heat exchanger. This can cause...
the 14 is a conundrum. if it's really 10k, you get a practically brand new car except the hybrid battery which likes to be used. the other issues...
So far so good… it’s been a week now since the leaking heat exchanger was bypassed, from the top, on 2017 prime at 152,000 miles. Coolant level...
I have well known problem with coolant leak in exhaust pipe heat exchanger used for quick heating. Faulty heat exchanger now bypassed with a...
I had the low coolant issue and had it repaired per the TSB, no charge. The problem was with the exhaust heat exchanger.
A 2017 should generally be good for 250k to 300k miles, but the HV battery may or may not last that long. This is only a 6 year old car and the HV...
Yep and one of the many reasons it's important for us to KNOW our cars...regularly pop that hood and check all fluid levels and keep an eye...
finding that spot where that might leak ? do we just change a piece of rubber tubing? i dont have any coolant issues but i thought to take a look...
The TSB I read covered Prius' 2016-2019. Maybe the dealership blew it off because there isn't a TSB yet for 2020 Primes? In any case, I'll keep...
Whenever there's a coolant leak that doesn't hit the ground on a gen4. 1. suspect the exhaust gas heat exchanger 2. If owner doesn't check coolant...
This is correct. Mine is a 2016 model, with the old design, hence my leak. In 2019 Toyota redesigned the heat exchanger and put out a TSB to...
I was thinking about this a little. Basicly there are three things in parallel: - Cylinder heads/blocks - EGR valve - Exhaust heat exchanger...
Engine cooling has its own path from the engine to the radiator and back to the engine. The other flows could be blocked without impacting the...
Hi! I’m new to the forum. My 2016 Prius 3 with 135,000 started leaking coolant around 7 months after I had the coolant flushed as a normal PM. I...
Thanks folks. In June I asked the Toyota dealer service center to perform the check listed in the tsb that I showed them. After performing the...
A trouble code always means, no more and no less, what the words say in the "DTC Detection Condition" box midway down the first page for that code...
Ah, got it! Thank you! Another important thing to keep an eye on. No. Really nothing what would indicate an internal leak; no misfires; no water...
IMHO; Loop-in/cap the other end too. In case you fail emissions testing and have to re-establish the setup. That will keep you from contaminating...
