SC430 - 2nd Gen (2001-2010)

Transmission Woes

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Old 09-11-11, 06:40 PM
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Habu4
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Default Transmission Woes

2003 SC430 with 81,000 miles has developed hard or rough shifts on virtually every gear on upshifts. It's intermittent and occurs generally with light throttle inputs. Serviced at dealer every 5K since new. Dealer says "normal"; I've owned too many Lexus' to agree. Any thoughts?
Old 09-11-11, 08:48 PM
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jzwu
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Has the transmission fluid ever been changed? Try that first.
Old 09-11-11, 11:58 PM
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Habu4
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ATF changed @ 75,000 miles. Problem started at about 60K miles; getting worse.
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