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Lexus RX 300 Transmission Problems

306 messages,  Last post on Nov 28, 2009 at 8:40 AM

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What is this discussion about? Lexus RX 300, Transmission, SUV

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#303 of 306 Re: Question on Lexus RX300 - question [michele0923] by la4mead Oct 12, 2009 (6:45 pm)
Replying to: michele0923 (Oct 12, 2009 5:40 pm) Are you otherwise happy with your car? If not and you might be looking at an opportunity to make a change.
#304 of 306 Re: Question on Lexus RX300 - question [michele0923] by wwest Oct 12, 2009 (8:19 pm)
Replying to: michele0923 (Oct 12, 2009 5:40 pm) If ou shop around I'd bet you can get a remanufactured installed for ~$2,000. Then trade it in QUICK.
#305 of 306 hisekid by hisekid Nov 22, 2009 (5:46 pm)
Does the RX300 transmission problem affect th 2003 model year? The postings I saw refer to older RX300s. Replies to this message: wwest (Nov 28, 2009 8:40 am)
#306 of 306 Re: hisekid [hisekid] by wwest Nov 28, 2009 (8:40 am)
Replying to: hisekid (Nov 22, 2009 5:46 pm) It wasn't until the RX330 was introduced using DBW, E-throttle, to "protect" the drive train" that premature transaxle failures were alleviated. Interim measures were taken, for instance no late model, after '01, RX300's were shipped without the towing package.   By the time the '01 went into production Toyota was well aware of the causative factor of the all-to-numerous '99 & '00 premature transaxle failures and made a few corrective actions. In my opinion one of those was to "beef-up" the ATF pump capacity which led to the ATF itself being overheated prematurely.   By '01 there was also a pretty RADICAL change made in the RX300's F/awd system. The mechanical rear LSD was dropped entirely and a newly designed (more FLACCID IMMHO) VC, Viscous Clutch/Coupling was used. VSC/TC also became standard and TC was then used to provide rear and center diff'l LSD virtuality, making the VC virtually useless so it was dropped entirely for all future HL's and the RX330 (and perhaps also the RX350) product run.

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