You can save yourself some time and money by buying the Aisin water pump / timing belt kit on RockAuto. Don’t mess around with other ones. The parts are all the same OEM you’d get from Subaru at a fraction of the cost, except for the pump itself — but that’s a good thing because while Aisin didn’t make the pump for these, they were an OE pump maker for Subaru and the company that made the OE one for that generation (Gates) has apparently started producing crap. I don’t think Subaru even uses them anymore for their OEM pump.
You should use Aisin or OEM water pumps.
When I do side jobs I use an aisin branded water pump and timing belt tensioner. The aisin kit is top notch.
The inverter water pump is a fairly common failure on the second gen Prius. The pump runs anytime the car is on, and it just wears out.
Same shit different box. Sometimes the aftermarket takes care of issues as well like bmw and older Audi/Vw plastic water pump impellers, where most aftermarket ones are metal.
I bought one a couple weeks ago. It went right in and works perfectly so far. It's a really easy install too.
Used Aisin for my 2000lx.
I replaced my water pump at about 205K miles. I had seen someone on e90post mentioning he saw fault codes before his pump failed. I decided I could wait if I kept a close eye. At about 205K miles was when I saw a fault code via ISTA/D. It mentioned something about "...water pump speed deviation..."
Yup that's how my Z3 once tried to kill me. Doing 90kph on the off ramp and the ol water pump decided to retire. In the process dousing my rear wheels in coolant.
100% oem or Aisin, I bought a knock off on amazon and it failed in 2 months.
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