GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

120k service for 99 GS400

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Old 12-12-08 | 06:06 PM
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e-man
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Default 120k service for 99 GS400

Hey guys. It's been a while. Hope all is well.

I'm about to turn 125,000 and I need to do the 120k service. At 95k, I had the timing belt, water pump and spark plugs replaced. They also flushed the coolant at that time.

I called the dealer today and they recommended a bunch of things, and I'm trying to figure out what needs to be done.

So what fluids need to be changed? Diff, trans, brake? Anything else I should be concerned about? I assume the coolant doesn't need to be changed, but maybe someone knows for sure.

Thanks for your help.

e
Old 12-12-08 | 06:16 PM
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You might consider changing the trans fluid..(complete flush) and brake system. It better to do that, but not to sure bout the differential though.. check the axle boot to see if there is any wears and tears. I would also flush the coolant system completely..It's a bit of work but it worth it...
Old 12-12-08 | 06:19 PM
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Originally Posted by JoelGs
You might consider changing the trans fluid..(complete flush) and brake system. It better to do that, but not to sure bout the differential though.. check the axle boot to see if there is any wears and tears. I would also flush the coolant system completely..It's a bit of work but it worth it...
Thanks. Would you do the coolant at 125k even though I just did it at 95k? I didn't realize it needed to be changed that often.

The dealer quoted me the following:

diff fluid -- $189.95
trans fluid -- $159.95
brake fluid -- $119.95

Seems pricy, but I'm really not sure what's involved in each of the services.
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