Prius (2004-09) :: Water Pump Replaced Due To Failure / Change Coolant For Hybrid System?
Jun 7, 2014
Actually 2 very similar questions about my Prius 2007.
1. My water pump was replaced by a dealer due to failure some half a year ago at 95,000 miles. Yesterday, after oil change (98,000), I was told it is recommended to replace engine coolant. Does this sound right? Don't they change coolant when replacing the pump?!
2. Identical question about HV pump. It was replaced at 80,000. Now they recommend do change the coolant for hybrid system. Don't they have to do it when replacing the pump?
I want to do everything necessary to maintain the car. But don't want to spend money for something that is not needed.
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I had my hybrid water pump replaced (free, under recall) about a month ago. Now the check engine light comes on intermittently, and it's with error code 1121 (Coolant flow control valve sensor stuck). I've seen other people on this forum hypothesize that the work could cause this error (if not bled properly, leaving air in the system). But my dealer said the work had nothing to do with this error and I need to replace the control valve. How to suggest to my dealer that it could, in fact, be due to their work and that I think they should fix it for free?
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I bought my 2008 JDM Prius a couple of weeks ago, at 84,500km. After a week, it started losing engine coolant. (Great start! Hope it's not a sign of things to come...) Fortunately, covered by a 3 month Dealer Warranty - hopefully. Yet to make the claim.
Anyway, went to the local Toyota Dealer to get some of the proper Toyota SSL (Super Long Life) Coolant to top it up. Got chatting with the Service Agent about Prius Service and what HSD Adjustments are possible (not many) and showed him my symptoms.
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Had the Check Hybrid System and master warning light come on today. Took it to the dealer, who, after a couple hours, told me that my "Hybrid Water Pump" needed to be replaced.
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2006 Toyota Prius, bought new in Oct 2006, currently at 90,000 miles.
It just recently broke down on me about a month ago, the dashboard lit up like a Christmas tree with every possible light flashing and nav screen showing "problem." I took it to the Toyota dealership and they determined it was a hybrid system fail and replaced the battery.
After this, I'm thinking all is well. I go out of town this past weekend 130 miles away from where I live and day 2 into vacation my dashboard lights up again! Same lights, flashing red triangle, Vsc, check engine, etc. it gets me back to my hotel but the next morning the engine won't start. At least the first time it broke down the cars engine worked and was somewhat drivable.
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My 07 has pretty low miles but is going on 4+ years so I thought I would change the ENGINE coolant. Reading how many posters have struggled with this I thought I would be a smart guy and buy an Airlift which I have used before back in the day on strictly American cars if memory serves.
I had hoped to just hook the airlift up and suck the bulk of the coolant right out without opening any petcocks. Yeah right... That resulted in about 1/2 pint of pink foam and collapsed hoses.
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This is an update to my Heater Hose to Water Pump Failure post. As it turns out, the water/coolant pump seems to have failed at the same time as the heater hose. I think Ford secretly installed an internal time mechanism to deconstruct certain parts at the same time.
Anyway, in desperation I took the van to the local Ford dealer for an inspection. NOTE: I don't trust most of the locally owned small time shops and national franchises. Half of the time, they don't know what they are talking about.
They said the water pump is toast. And I already knew that! Then they said, because the water pump is attached to the front timing chain cover, they need to replace the gaskets there also, and also the oil pan is attached to the front chain cover, so that needs done, and then they said the radiator is also leaking. What!!!
Then they asked if I would be interested in buying a new or used vehicle. This tool works great. Mine happens to be a left hand fan. The tool is used with the handle on the left. This tool is used to hold Water Pump pulley stationary, while unbolting the fan assembly.
Tomorrow morning is when I finally replace the water pump. Not a lot of tool are needed, except for the stubborn fan clutch. Sockets: 8, 10, 13, 17, except a 22 mm open end wrench for the fan clutch.
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Prius 2009 inverter coolant pump failure 51,300 miles....
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Toyota dealer said computer indicated the water pump and belt needed replacing. We decided to do the replacement ourself. Now the light comes on which indicates car is running hot. We did replace the coolant. The 2005 Toyota Prius never ran hot before the replacement, What did we do wrong?
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Four cylinder, 2004 Camry (2AZ-Fe), Auto with 98,000 miles.
I had to replace my water pump after driving with newly replaced Toyota Red antifreeze from the 8 year old Pink. I drove only two weeks and 1000 miles on it.
I believe that was just a coincidence. Some Camry's water pumps do not last even that long. Even if the coolant was not compatible with Toyota specification, it still could not destroy the pump seals in two weeks.
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On my 05 Prius (65K miles) I recently had my local Toyota dealer replace both the inverter water pump (for free per recall) and main engine water pump (~$500 based on their recommendation because of some coolant leakage). 1 week later, I got the P1121 code coming off and on intermittently.
My dealer says that the work they did is not related to P1121.
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How to change belt on water pump on my 08 V6 the hayness says there is a tensioner on the v6 well i am stumped cant find it so ....... Belt is tight I see no way to get slack in belt to change it .top pulley and pump pulley is all i see...
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My wife was driving our 2009 prius this morning. she said the red triangle, this other yellow circled, light with an ! came on plus in the display window the car icon with the ! came on. Manual states that this is a hybrid system failure.
On very cold mornings the car smells very hot for a period of time. She said this happened again.
I tried to do a reset (turning it off and on atleast 4 times) did not work. So I had it towed to a dealer tonight and I started it again and this time very hot smelling and a whole lot more lights were on, ( brakes lights, almost all of the lights I would say.)
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My 2007 Prius with 162k miles had an Inverter Coolant Pump Failure Monday 6.5 hours from home when my wife was driving it home from a trip. Red Triangle, (!), vsc, and check engine light. She was able to make it about 20 minutes to a dealer where it was diagnosed. Luckily no further damage was done to vehicle. Yes, she should have stopped but continued on since car was driving OK.
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I own a 2006 JDM prius with 323,000 km. The inverter coolant pump failed recently (got P0A93 code and no agitation in coolant reservoir). I ordered a replacement on eBay and am awaiting arrival. I may need to do some light driving in the in the interim and am thinking about installing a 10 inch fan in the space between the inverter/transmission and radiator to keep things cool. Is this wise or should I just let the car sit until the new pump gets here?
Also, I am burning oil...I usually have to top up 1 to 2 quarts in between changes. Is there anything I can do without tearing down the engine? A friend of mine suggested using Lucas oil stabilizer the next time I change oil...could this have any negative implications?
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My 2006 Prius with 120k miles has coolant seeping around the water pump. I called around to get quotes on replacement cost, but one place said the thermostat should be replaced at the same time, while the other said it shouldn't. (BTW, I will have the belt replaced at the same time).
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I replaced a water pump on a customers 2013 5.0L truck this week. The bearing was totally shot and lost all the coolant. Truck only had 46000 miles on it, is this common?
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Two weeks ago a large, industrial truck dropped a piece of bent steel pipe on the interstate in front of my 2010, 50k miles, Prius and (sadly) I was forced to hit or swerve into rush hour traffic and cause an accident. It tore up a good part of the cooling system and did some body damage. Of course I didn't know this at the time, but it began to overheat, so I pulled off the freeway and had it towed to a body shop. After about ten days, I got my Prius back.
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On the 06 Prius I have been working on, I noticed a light build up of pink coolant residue on the inside of the ICE water pump pulley. I assumed that this was due to a coolant leak from the weep hole, which points to an impending water pump failure.
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My ICE failed to start on a wooded forest road -- after the car had sat under a fir tree for a day or three it ended up starting and all the warning lights went away. I ended up taking it to the dealer though and while they replaced a leaking water pump, never found any cause for the ICE failure.
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It's been over 90 degrees. Triangle lit up with check engine and I know the inverter coolant pump is a common failure, so hoping that is the culprit. I could take to O'Reillys and scan it to see if I get related codes...but don't want to drive until fixed. On my previous gen 1 prius the pump failed and it drove poorly...lacked power (from what I remember). Maybe even cut off once or twice.
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