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

GS350 water pump and other 100k service items?

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Old 06-26-17, 04:37 PM
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SVTto2JZ
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Default GS350 water pump and other 100k service items?

Hi guys - new member here with a 2008 GS350.

i have read a few horror stories about water pump failures on these cars, but am looking for some reassurance on whether I should replace as preventative maintenance or keep an eye out for leaks and funny noise before doing anything.

The car just turned 100k miles, I have owned it since 60k. Car is very well maintained and I do not see any leaks or crusty coolant around the WP. Would appreciate some friendly advice and if there is anything else specific I should do at 100k, please let me know!

Thanks
Old 06-26-17, 10:51 PM
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ibidu1
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I replaced mine for peace of mind with an aisan brand and now 60k miles on it so far so good. Cheap insurance really, when you factor in the cost of a used engine and install vs $100 for the pump and couple hours of labor
Old 06-27-17, 10:45 AM
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wikidbwoy
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I would replace the water pump and starter before it gives out. It will be less of a headache than being stuck somewhere on the side of the road. They both will go out so why not get them changed before they do. I wish i had did them before they went out on my car.
Old 08-07-17, 03:34 PM
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BiggSexy
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Do it now. My GS350 had 150k when I brought it in, no leaks. Cheap insurance. I'm handy but opted to pay the dealer for it, and they charged me about $450 including the part.
Old 08-07-17, 05:32 PM
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DrewGS350
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I too have an 08 GS350 and replace my water pump at 90K purely as preventive maintenance and peace of mind.
Old 08-10-17, 09:49 AM
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PC94
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I have an '08 GS350 as well, and while my water pump was replaced a couple of years ago by the previous owner, I would highly recommend that you replace yours as others have stated.

As for the 100,000 mile scheduled maintenance, my dealership performed an oil and filter change, tire rotation, engine coolant flush, and general inspection.
Old 08-10-17, 01:37 PM
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XJSFan
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A month ago I had the timing belt, water pump and serpentine belt and all the coolant replaced at 36K miles on my 2006 LS 430... Probably did not need it but I just decided to do it...
Old 01-08-18, 09:53 PM
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nobelnabil
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at 100k you should expect to replace water pump, alternator
at 120k you should replace the spark plugs
i would recommend changing the valve gasket and spark plug seals (big job) on those intervals as it will help with reducing the amount of oil loss
if you live in a snowy place, expect to replace the exhaust pipe and the muffler
also at this interval you might need to replace the headlight ballast
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