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

Changed transmission fluid but not the filter..??

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Old 07-13-10, 05:25 PM
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USMCLexus
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Default Changed transmission fluid but not the filter..??

I had my GS300 taken and done oil change and transmission fluid change but mechanic won't do the TRANSMISSION FILTER change. I asked him as to why and he said because too many problems came out of it, resulting from changing the TRANSMISSION FILTER because of the debris gets lose and it could ruin the transmission. So to make the story short, the mechanic only changed the trainy fluid but not the filter. I drove off. I don't feel right about this, any comments are welcome.
Old 07-13-10, 05:28 PM
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ntwrkguy1
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How many miles are on your GS, and how long have you owned it? Some places will simply do a drain and fill, so this isn't as uncommon as you might think.
Old 07-13-10, 05:55 PM
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JeffTsai
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Uh, no your mechanic was just lazy lol. If you just do a trans flush, without replacing the filter then you still have a dirty filter.
Old 07-13-10, 06:32 PM
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USMCLexus
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Originally Posted by ntwrkguy1
How many miles are on your GS, and how long have you owned it? Some places will simply do a drain and fill, so this isn't as uncommon as you might think.

little over 80k. I was told that lots of problems are caused by the transmission filter change and he basically recommended me to change just the fluid. (I'll take have the transmission and filter changed next time(around 30k))
Old 07-14-10, 03:51 AM
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Rich23
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Originally Posted by JeffTsai
Uh, no your mechanic was just lazy lol. If you just do a trans flush, without replacing the filter then you still have a dirty filter.
Actually, Jeff, I heard this same thing a few times as well... I know you can clean the filter and wanted to try that... but my mechanic buddy advised against it as well... maybe he was lazy too lol...
Old 07-14-10, 04:35 AM
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pwesseler
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Did the fluid still have a nice color to it when it was drained? Had the filter ever been changed on your car previously? I personally would have changed it.
Old 07-14-10, 09:59 AM
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Spyder78
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Jeff I thought that the filter in the GS was a mesh screen that never required replacement? Can you elaborate on the procedure?
Old 07-14-10, 10:20 AM
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Here's the reason why they say it will cause problems. ATF has detergents in it to keep the transmission clean. If the trans has never been serviced, then the new fluid will dislodge that old gunk in the trans. If the trans is regularly serviced, then changing the fluid will cause no problems. If you do have a neglected transmission, the procedure is to change the ATF with the old filter still in there. Drive around for a few days, bring it back to the shop and change the fluid and filter. That way all the old crap can dislodge into the old filter.

Again, they were just lazy
Old 07-14-10, 10:31 AM
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plus the filter is just mesh really.
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