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

300K miles

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Old 12-12-11, 12:40 PM
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400 Degrez
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Default 300K miles

Ok my GS 400 has 300k car still runs flawless I am now running synthetic oil Mobile 1 only thing I notice is a little light blue smoke when I first crank her up in the morning plugs timing belt fuel pump all have all been changed what else should I worry about ..should I go ahead and locate me a 4.3 or have the 400 rebuilt or ride it till she die.
Thanks for any input
Old 12-12-11, 01:03 PM
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Valve stems are going bad
Old 12-12-11, 01:49 PM
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ThomasGS4
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Is your power steering reservoir slowly loosing fluid?
Old 12-12-11, 04:20 PM
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L3XOTIC
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Can be the valves.... definitely something coming up...
Old 12-12-11, 06:23 PM
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tmf2004
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I'm just amazed at the 300k miles and the car is flawless besides the little smoke... Congrats..
Old 12-12-11, 08:11 PM
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BayAreaLex
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Looks like your valve seals or pistons rings are starting to go since blue smoke is an indication of burning oil.

300K, not too shabby though
Old 12-12-11, 08:17 PM
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Busha
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Originally Posted by 400 Degrez
Ok my GS 400 has 300k car still runs flawless I am now running synthetic oil Mobile 1 only thing I notice is a little light blue smoke when I first crank her up in the morning plugs timing belt fuel pump all have all been changed what else should I worry about ..should I go ahead and locate me a 4.3 or have the 400 rebuilt or ride it till she die.
Thanks for any input
Wow 300 miles that =480000km that is pretty cool seeing as how I have 325000km not miles. I know blue smoke is a bad sign but you also shouldn't be using synthetic oil with that kind of milage try a thicker oil not synthetic
Old 12-12-11, 08:23 PM
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impressive. pic of said car?
Old 12-12-11, 09:57 PM
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Any items that have given you trouble over the years?

oil smoke on cold start, valve guides/seals (as said earlier)
oil smoke on decel, really bad valve guides/seals
oil smoke on accel, rings

300k is good life for a cyl head. Start planning on a rebuild and go another 300k....
Old 12-12-11, 11:54 PM
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400 Degrez
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Originally Posted by ThomasGS4
Is your power steering reservoir slowly loosing fluid?
No power steering is not leaking at all
Old 12-12-11, 11:54 PM
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400 Degrez
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Originally Posted by RamAirRckt
Any items that have given you trouble over the years?

oil smoke on cold start, valve guides/seals (as said earlier)
oil smoke on decel, really bad valve guides/seals
oil smoke on accel, rings

300k is good life for a cyl head. Start planning on a rebuild and go another 300k....
Ok now just to find someone who I trust to do it
Old 12-12-11, 11:55 PM
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400 Degrez
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Originally Posted by Busha
Wow 300 miles that =480000km that is pretty cool seeing as how I have 325000km not miles. I know blue smoke is a bad sign but you also shouldn't be using synthetic oil with that kind of milage try a thicker oil not synthetic
is it too late to go to something thicker since I've been using the synthetic
Old 12-12-11, 11:56 PM
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400 Degrez
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Originally Posted by L3XOTIC
Can be the valves.... definitely something coming up...
ok thanks I'm impress with the Lexus brand!!!
Old 12-12-11, 11:57 PM
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400 Degrez
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Originally Posted by tmf2004
I'm just amazed at the 300k miles and the car is flawless besides the little smoke... Congrats..
Man I'm sold on Lexus this is money well spent
Old 12-12-11, 11:59 PM
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What oil weight are you using? How much oil are you losing?


Quick Reply: 300K miles



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