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

how to remove TB GS400

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Old 02-17-14, 11:29 AM
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driver1988
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Default how to remove TB GS400

I didn't find any threads on TB removal DIY though plenty of TB cleaning. I'm expecting a TB replacement tomorrow and was just wondering how hard is it to take out the TB. The intake obviously needs to be removed but from you experienced GS drivers, is this something a noobie could do in 30 degree temp? (might need to park car inside garage to do this from the cold)
Old 02-17-14, 01:33 PM
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tmf2004
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http://bananags.grantham-internation...oolant_bypass/
Old 02-17-14, 04:22 PM
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ttaylor993
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Originally Posted by driver1988
I didn't find any threads on TB removal DIY though plenty of TB cleaning. I'm expecting a TB replacement tomorrow and was just wondering how hard is it to take out the TB. The intake obviously needs to be removed but from you experienced GS drivers, is this something a noobie could do in 30 degree temp? (might need to park car inside garage to do this from the cold)
Here is a video on changing the spark plugs on a 2jz-ge engine. But, since you have to remove the TB to get to the plugs it has a pretty good description of how to remove the TB. The guy is Russian and makes a couple of mistakes with the names of certain parts but don't let that deter you.

Old 02-17-14, 04:26 PM
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ttaylor993
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Sorry, I just noticed that you were asking for instructions on a 1uz engine and not a 2jz. Sorry for the misinformation.
Old 02-17-14, 06:07 PM
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Just did this this weekend. Pretty straight forward...

https://www.clublexus.com/forums/gs-...and-gs430.html
Old 02-18-14, 09:43 AM
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Tsalvatore
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It is actually really easy to do. Intake piping, the three electrical plugs, four bolts that are very easy to get to,two coolant lines and it's off. A tb swap can be done in less than 45 minutes. I did mine last weekend.
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