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I'm guessing 3-way valve, too. Mine made noise for a few years before throwing the code. The valve lives under the inverter in front of the left...
Okay thank you! Is there a place you recommend to purchase the 3 way valve from? Also how do you think the coolant level is looking? (I uploaded a...
I believe p1121 is the 3 way coolant valve. That seems to be a problem with the valve sticking as the cars get older. There are tutorials that...
The inverter coolant loop and the engine coolant loop are two separate, sealed circuits. The inverter pump job won't have affected the coolant...
...I would try to get my hands on a European model Prius manual as CHRS is deleted on those models. Which means that 3 way valve is deleted also.
do some reading on the water valve (3 way coolant valve) it is not imperative. i'm not up to speed, but that is what i have read iirc. bearings...
Fixed :) Coolant 3 way valve had a weak hose clamp. There was a dribble. Fixed it and burped. 6+ cold starts with no noise
On December 28, they replaced the 3-way control valve. Dorman 601-021 (replacement part from Amazon). It was brand new.
not sure that is a correct code, are you using tech stream? it could be that you need to replace the 3 way coolant control valve
There are 2 somewhat coolant related parts in that area, the inverter pump and the 3 way valve. I think the inverter pump is easier
Coolant temperature from various sensors in different parts of the system, 3-way valve position feedback, ICE operational state, power mode...
You really need to reference the factory service manual or the Haynes service manual. The 3-way coolant control valve is part of the engine loop...
...If you don't want to change out the coolant when you replace your 3 way valve, just use clamps to pinch the 3 hoses while changing out the valve.
3 way coolant valve, is this a maintenance item? Part 16670-21010. Also i can't find the part number for the tensioner pulley.
My scanner says it a throttle position sensor problem, but when P1121 is looked up on the interscreen, it's the 3 way valve. Which one is it ?
My advice is to find an independent hybrid shop and get a second opinion. 542 to replace a 3 way valve sounds a little high.
does the 3 way coolant control valve come into play here? i would think you'd get a trouble code though
Thank you so much for the corroboration and the pointer. Next step - replace the 3 way valve!
I am assuming it is still blowing air, just no heat. Does he have a check engine light? If yes, find out what dtc, likely it's the 3-way valve....
Joedirte posted a picture of the vsv valve the sensor and hoses on the first page 3/4 of the way down. It is located by the engine dipstick tube....
