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Old 04-03-2021, 08:41 PM #1
RedRumt4r RedRumt4r is offline
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2004 v8 4runner hydraboost problems...

Little back story on my fails with this on my 4runner in regards to my hydraboost. Beginning of 2019 my HB would make some pumping sound in cold weather then it would go away once weather warmed up. End of 2019 into 2020 the pumping sound wouldn't stop. So I got a remannded abs pump and accumulator off ebay. It worked well for a month then pumping sounds again in cold weather. But not to often. Fast fwd dec 2020 pumping sound came back and it was more louder like it was squealing and the brake light with buzzer would turn off. Then my brakes failed. Scanned the codes for the issue and it said my computer on on the HB was gone.. So i found a junkyard booster worked fine from Dec 2020 up until last night.

I was stopping at a red light and brake light and buzzing came on and went away in about 5 seconds. Took it to a friend's place and he scanned it just incase and couldn't find anything it was fine for the rest of the day.

Now this morning I crank my runner up brake light came on with buzzing sound. I turned off my truck it went away and as I drove off 4 seconds later now the abs light came on with the same brake light and buzzer sound. Now this is really starting to be a real nuances for real. I have a friend who let me borrow his car for a week thank God. And I'm trying to get this fixed before Friday. I got a blue tooth code reader innova 1000 obd2 code reader and these are the codes it pulled below in the screenshota. And after a few searches a forum on wholesalepartsexpress.com said this. What do you guys think???

I really need this fixed and done with. Right now isn't the time for me to be having these petty problems. If someone in the houston texas area that can help/fix this issue please lmk. Im unemployed and I need this truck to be a1 to get me where I need to right now. Please someone help if they can at my apt. I don't really have money for a toe truck or anything. My current mechanic who always gave me good pricing on labor is dealing with family stuff so he's kind of out of commission...

Any help would be deeply appreciative and I'd be forever grateful 🙏 if anyone can come thru!

Thanks for reading
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Old 04-03-2021, 08:44 PM #2
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Judging on all the info I found and gathered im leaning towards it being the abs pump motor is bad what are yalla take?
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Old 04-04-2021, 04:31 PM #3
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Not knowing much more than you, I would agree that it appears ABS pump motor needs replacing. I have an '03 and hope I don't experience this!
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Old 04-04-2021, 07:23 PM #4
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Quote:
Originally Posted by rdruss View Post
Not knowing much more than you, I would agree that it appears ABS pump motor needs replacing. I have an '03 and hope I don't experience this!
I mean this kind of issue happens to alot of 4runners but at random mileages. Some go at 100k some go out at 300k its a shoot of the dice. And its beyond annoying. Only thing toyota invest good money on was the engines back in the mid 2000s everything else is literally junk. Like everything else fails and just go wrong or rust....

But that a whole other story
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Old 04-16-2021, 08:03 PM #5
Lilchedda8 Lilchedda8 is offline
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Funny my 03 is making the same noises and I replaced the motor with a reman from eBay I think I need to replace the whole unit who has one for sale?
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