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2004 Prius RTOD; battery failure #5465531 06/29/20 10:37 AM
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simple_gifts Offline OP
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Thought I would just add this record of my 2004 Prius item in case someone searched the forum.

Purchased this vehicle from my parents in 2016 when they downsized their life; had 65K miles on it, always garaged kept, not really driven in snow .

Repaired the coolant valve for the thermos bottle last fall and it promptly failed 4 weeks later. I believe it had been previously replaced (common issue)

Got the RTOD (red triangle of death) last week; decided to just get it repaired with a Toyota battery; coolant valve will be replaced under warranty.

Car has 136K and burns no oil on 12-15K OCI; OC is decided on 'when best to not have to change the oil during the winter' If it is late October and it has 12K, then it gets changed.

No other issues other than new tires, coolant change, tuneup and rear brake light assembly replacement (LEDs don't burn out but the assembly is soldered badly)

So yes, the batteries fail, but some after 17 years of use.

Around town mileage in the summer is close to 60, highway 54; I rarely exceed 60mph when driving.

-Thomas



Last edited by simple_gifts; 06/29/20 10:38 AM.

2004 Prius; 134K; ATM
2007 Yaris 114K M1 ESP 5W-30
2006 B2300;137K;ALM
Re: 2004 Prius RTOD; battery failure [Re: simple_gifts] #5465538 06/29/20 10:46 AM
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diyjake Offline
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60/54 mpg is with the original battery? How do you get that kind of fuel mileage? With my 08 Prius I get around 43 mpg average and I drive it easy. I did get 47-48 after putting some Amsoil Fuel Treatment but that only last for the one tank.

Re: 2004 Prius RTOD; battery failure [Re: simple_gifts] #5465556 06/29/20 11:07 AM
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Pelican Offline
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What was the battery replacement cost?

Re: 2004 Prius RTOD; battery failure [Re: simple_gifts] #5465565 06/29/20 11:18 AM
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Danno Offline
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Have you had the battery replaced yet?

This looks like a 1/3rd the cost option.

https://greenbeanbattery.com/product/prius-hybrid-battery-2004-2009/


2019 Jeep Grand Cherokee Summit 5.7L Hemi
2019 RAV4 Limited Hybrid
2016 Sorento SX V6 AWD
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Re: 2004 Prius RTOD; battery failure [Re: Danno] #5465573 06/29/20 11:26 AM
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The Critic Offline
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Originally Posted by Danno
Have you had the battery replaced yet?

This looks like a 1/3rd the cost option.

https://greenbeanbattery.com/product/prius-hybrid-battery-2004-2009/

Toyota reduced the price of new OE batteries to about $2K MSRP. Aftermarket is only marginally cheaper (for new cells). The rebuilt packs rarely last since they are being built from old (but balanced) cells.

https://www.bobistheoilguy.com/foru...821833/2006-prius-hybrid-battery-failure


2020 Ram 1500 5.7L eTorque - <1K - Factory Fill
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Re: 2004 Prius RTOD; battery failure [Re: simple_gifts] #5465603 06/29/20 11:55 AM
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simple_gifts Offline OP
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I forgot to add; I've also changed the ATF twice, the first with D4 and the second time with D6

Quote

What was the battery replacement cost?


They indicated $1900 for the part

Quote

How do you get that kind of fuel mileage?


I am not a hypermiler, not even close, but I've found the key is to 'let the hybrid system work its magic' The engine RPMs are always low and coasting to stops with a light foot on the brake and moderate acceleration is how i drive. No kids, no wife so I don't have to be anywhere and any time. lol It is not really a car that works well @ 3/4 throttle; contrary to popular misconception, it will move if directed to

In retrospect spending a bit short of 2400 bucks on a 17 year old car repair is kinda crazy, but I only paid 4K for it when i picked it up. It is still a nice driving and riding car.

I am 6'3" so 'the yaris doesn't get it done' for certain types of trips.


2004 Prius; 134K; ATM
2007 Yaris 114K M1 ESP 5W-30
2006 B2300;137K;ALM
Re: 2004 Prius RTOD; battery failure [Re: simple_gifts] #5465613 06/29/20 12:10 PM
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diyjake Offline
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So that mile economy was the the original battery? Either way these are very good numbers.

Re: 2004 Prius RTOD; battery failure [Re: simple_gifts] #5465636 06/29/20 12:51 PM
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paulri Offline
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I've given some thought as well to the cost of replacing the hybrid battery in my highlander (not that it has gone bad, but when it does). I would treat it as any other major repair (like replacing the trans, etc.)--if I can expect a lot more miles out of the car, I'll probably do it, especially when I think of what $2400 could get me if I were to take that and get something else.

Originally Posted by simple_gifts
In retrospect spending a bit short of 2400 bucks on a 17 year old car repair is kinda crazy, but I only paid 4K for it when i picked it up. It is still a nice driving and riding car.



2005 Toyota Sienna LE; 171,000 miles
2006 Toyota Highlander Hybrid 136,000 miles
Re: 2004 Prius RTOD; battery failure [Re: simple_gifts] #5465637 06/29/20 12:52 PM
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Farnsworth Offline
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The original thermos valve on the earlier years would develop a squeal but work, and the part was updated. After that is done it is not a common issue. It's not something that can really be repaired it is a redesigned part.
That is not a bad price for the battery.

Re: 2004 Prius RTOD; battery failure [Re: diyjake] #5465656 06/29/20 01:26 PM
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JohnnyJohnson Offline
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Originally Posted by diyjake
60/54 mpg is with the original battery? How do you get that kind of fuel mileage? With my 08 Prius I get around 43 mpg average and I drive it easy. I did get 47-48 after putting some Amsoil Fuel Treatment but that only last for the one tank.


Isn't the surge forward in Technology just astounding?


2004 Corolla 140744
Out: Pennzoil Platinum HM 5W-20 ST 4386
In: Valvoline Synpower Full Synthetic 5W-30 Purolator PureONE
2006 Duramax 77117
Out: T6 5W-40 XG9100 73909
In: Rotella Dino PH9100 11-3-19
Re: 2004 Prius RTOD; battery failure [Re: simple_gifts] #5465690 06/29/20 02:12 PM
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Pelican Offline
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In the end this type of car is for people who care only about economy and not driving pleasure. I drove my neighbor's Prius and would never care about driving it again, for him though he was thrilled at playing with the system and see the MPG. NOT FOR ME!

Re: 2004 Prius RTOD; battery failure [Re: diyjake] #5465729 06/29/20 03:07 PM
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CR94 Offline
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Originally Posted by diyjake
... With my 08 Prius I get around 43 mpg average and I drive it easy. I did get 47-48 after putting some Amsoil Fuel Treatment ...
Why so low? Lots of very short trips?


2011 Toyota Prius now at 111K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: 2004 Prius RTOD; battery failure [Re: simple_gifts] #5465807 06/29/20 05:01 PM
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eljefino Offline
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You can tell the engineered the heck out of the 2nd gen prii.. If it had been a flop they'd have lost so much face.

Re: 2004 Prius RTOD; battery failure [Re: CR94] #5466085 06/30/20 06:39 AM
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diyjake Offline
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Originally Posted by CR94
Originally Posted by diyjake
... With my 08 Prius I get around 43 mpg average and I drive it easy. I did get 47-48 after putting some Amsoil Fuel Treatment ...
Why so low? Lots of very short trips?


43-45 mpg seems to be the average for a gen 2 Prius, there are some people that get around 50 mpg but that is usually with a newer hybrid battery. I still have the original battery and my prius was very well taken care of mechanically.

What do you get with your 2011?

Re: 2004 Prius RTOD; battery failure [Re: diyjake] #5466725 06/30/20 10:41 PM
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CR94 Offline
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Originally Posted by diyjake
... What do you get with your 2011?
Long-term average is about 59 mpg actual overall (which would be about 62 on the lying display) over the ~70k miles I've had it. 4th-generation ones easily beat that.


2011 Toyota Prius now at 111K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
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