GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

3gs Water Pump Failure Thread

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Old 12-01-12, 06:00 AM
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passnu2
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Exclamation 3gs Water Pump Failure Thread

Well with all the recent activity figured a thread that everyone shared more information can help other members and possible strength for Lexus to make sure the issues are resolved especially if this is with one given motor these issues are happening.

I would think starting off with what model GS you had a failure or premature wear. Also if your the original owner, followed all service schedules flushing coolant, or if you purchased as a CPO. These we know would have to meet service requirements. Anything else others can think to add that would be helpful.

I would HIGHLY suggest others to start having these checked to be safe.
Old 12-01-12, 06:10 AM
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Great idea.

Question: at what mileage is coolant flush recommended and has anyone done DIY?
Old 12-01-12, 07:43 AM
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rld14
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Not sure... I change my coolant annually.
Old 12-01-12, 07:46 AM
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rld14
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Oh.. Yes, water pump failure...

My car, 07 GS350. Water pump failure at 73,277 miles. Mine failed at highway speeds and I wasn't aware of overheating or coolant loss until the engine apparently overheated (not indicated on temp gauge) and failed.

Lexus ExtraCare denied the claim. Lexus, after several weeks, offered to cover over $13,000 in parts, I had to pay $3,750 in labor. Lost use of car for 6 weeks.
Old 12-01-12, 02:50 PM
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bigblack06
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My water pump failed at 69,233 Miles. Lexus checked it and found that the water pump was leaking. I'm the second owner and it was covered under my CPO warranty.
I agree I think more people should get this checked before it turns into something worse.
Old 12-02-12, 07:46 AM
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Originally Posted by bigblack06
My water pump failed at 69,233 Miles. Lexus checked it and found that the water pump was leaking. I'm the second owner and it was covered under my CPO warranty.
I agree I think more people should get this checked before it turns into something worse.
Can you PM me your invoice for this... I want to see what PN's they used.
Old 12-02-12, 12:29 PM
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Originally Posted by neurocity
Can you PM me your invoice for this... I want to see what PN's they used.
Yeah but it won't be tell Tuesday I'm dropping it off Monday and picking it up Tuesday. If you can wait.
Old 12-02-12, 03:31 PM
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Boron
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Originally Posted by alchemist
Great idea.

Question: at what mileage is coolant flush recommended and has anyone done DIY?
100K or 10 years, then 50K or 5 years thereafter.
Old 12-02-12, 04:33 PM
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bigblack06
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This was what I saw in my engine bay.
3gs Water Pump Failure Thread-photo-5.jpg
There is a little fluid on the bottom and some newly leaked fluid landed on my installed F-Sport Sway bars.
Old 01-20-13, 02:08 PM
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I see more threads posted so bumping this up so everyone can keep stuff together...

I also just saw this thread from the ISF section...click
Old 01-20-13, 02:20 PM
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Yopeterson
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At my last service, dealer reported the water pump was leaking. Had it replaced under the extended warranty. 2008 gs 460. 75000 miles. I was surprised about what I think is premature failure.
Old 01-20-13, 02:30 PM
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Thankfully the pumps are cheap and easy to replace.
Old 01-20-13, 06:55 PM
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I will check mine next weekend and will report back
Old 01-20-13, 07:58 PM
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Originally Posted by rld14
Oh.. Yes, water pump failure...

Lexus ExtraCare denied the claim. Lexus, after several weeks, offered to cover over $13,000 in parts, I had to pay $3,750 in labor. Lost use of car for 6 weeks.

I replaced a water pump on my other lexus, and it was only a little over $1000.

How'd you get such a large bill?
Old 01-20-13, 08:03 PM
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Originally Posted by pman6
I replaced a water pump on my other lexus, and it was only a little over $1000.

How'd you get such a large bill?

Sounds like his engine blew up


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