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1990LS400

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1990LS400 last won the day on April 12

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About 1990LS400

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    Guru Member

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  • Gender
    Male
  • Lexus Model
    LS400
  • Lexus Year
    2000
  • Location
    Kansas (KS)

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  1. Is this a trick question? I sold my first LS400 (a 1990 driven from new to 183,500 miles) and second LS400 (a 2000 Platinum SF driven from 38K to 180,000 miles) due to their increasing unreliability and that they didn't have safety equipment that was becoming common.. We sold our 1998 Camry (driven from new to 125,000 miles / 14 years) for similar reasons although it was much less expensive to maintain that either LS400. Buy a new Toyota with "Safety Sense" which all Toyota models will have by the 2018 model year. Safety Sense P for larger Toyotas, including the Camry, includes automatic emergency braking with pedestrian sensing, adaptive cruise control, Lane Keeping Assist, and Automatic High Beam: https://www.toyota.com/safety-sense
  2. Automotive components deteriorate over time regardless of miles driven. That's why the timing belt replacement interval for your 1997 LS400 is 90,000 miles or 6 years - whichever comes first. The cause of speedometer and tachometer failures is usually the failure of components on the circuit board behind them.
  3. Fixing this is probably involves more than just adding refrigerant. It's likely that a component has failed causing a leak. If you have to ask what refrigerant to use, I suspect that you do not have the special tools and knowledge required to diagnose and repair A/C systems.
  4. The following document shows it as an optional setting that can be programmed by a Lexus dealer: http://www.lexus.com/pdf/service/RX350_LPS.pdf
  5. Those trailer light harnesses are definitely not overkill. The old style super cheap harnesses that were powered directly by the rear vehicle lights are often not compatible with modern vehicles. You need a harness that has a converter box and which is powered by the vehicle battery or by an electrical terminal on the vehicle that is specifically designed to power trailer lights.
  6. This is a very old thread and I doubt that people who have participated in it will reply. Aftermarket trailer hitches last at least as long as OEM hitches and as long as a vehicle lasts - they are probably good for 20+ years! I've towed with almost every vehicle I've owned over 50+ years and have bought and installed a number of aftermarket hitches including on Lexus LS sedans. I bought the last three hitches from etrailer.com which is in a suburb of St. Louis. I've also bought lots of other items from them including trailer light harnesses and bike racks. I see two hitches for your RX on the etrailer website for less than $131 including shipping. Be sure to get a hitch with a 2" receiver opening and NOT a 1 1/4" hitch! There are a lot more bike racks and other products designed for 2" hitches than for 1 1/4" hitches and the ones for 2" hitches are usually more stable. IMO, Curt hitches are the highest quality of all I've had but I've bought Draw-Tite hitches too. I've had a lot of bike racks and my favorites are the hitch mounted bike racks ones from Pro-Series - simple, cheap and rock-solid. We use a 4-bike Pro-Series rack on our Sienna on which I installed a 2" Curt hitch and a 2-bike Pro-Series rack on our Prius v wagon on which I installed a 1 1/4" Curt hitch. Give the etrailer people a call if you have questions. It's one of the best companies I've ever dealt with. I particularly like how the 4-bike Pro-Series rack attaches to the hitch receiver with a threaded bolt that can accept a standard hitch pin lock - zero rattle when driving. A wrench must be used to tighten the threaded bolt but the extra 10 seconds of work is worth it. The rack tilts away to allow opening the rear hatch door. I use the 4-bike Pro-Series hitch several times a week in the warmer months including last night when I rode my mountain bike 26+ miles.
  7. Why not buy your trailer light harness from etrailer? https://www.etrailer.com/t1-2007_Lexus_RX+400h.htm I've installed several "flat-4" trailer light harnesses I bought from etrailer. They always come with written instructions and some have installation instructions on YouTube. I'm partial to Curt products having bought hitches and harnesses from Curt and other companies. What are you towing? IIRC, the towing capacity of the hybrid RX isn't much even with the tow prep package.
  8. Questions like yours don't come up very often anymore since most people who wanted audio interfaces on older Lexus vehicles did that years ago. Sure, if that pac product does what you want then buy and install it. The original "gold standard" in aftermarket audio interfaces for Lexus vehicles was probably VAIS. Many Lexus dealers sold VAIS interface products before Toyota started including audio interfaces on its vehicles. VAIS still has interfaces for your RX: http://www.vaistech.com I wouldn't shy away from Bluetooth A2DP. Modern Bluetooth wireless audio sounds just as good as hard wired aux-in. I stream audio wireless from my phone via Bluetooth very frequently in our vehicles and I can't imagine having to plug in an aux-in cable to do it.
  9. Oh, my! This sounds like the service writers at my nearby Lexus dealer who would make even the most minor fluid weeping situation into a federal case. You have to remember that most service writers get incentives (either money or keeping their jobs) based on the amount of service they sell. Services writers are really sales people and may have to meet quotas which mean they sell services whether or not they are needed. We've gone many years with tiny amounts of fluid weeping around gaskets - never enough to drip from the engine or to require topping up fluid levels. The only reason we changed the camshaft cover gaskets on one car to stop slight oil weeping was that it was going to a 14 year old nephew and we wanted the car to be perfect for him. I even had a Lexus dealer service writer try to embarrass me into having a brake job by telling me that I was going to kill somebody since my brakes were going to fail at any time. I informed that service writer that I had just measured the brake pad thickness myself and found that they were still far above the 1 mm minimum acceptable thickness. I actually think that that particular service writer had no idea what the brake specs were - their job was to sell, sell, sell. So ... it's buyer beware ... all the time.
  10. There has been more in common mechanically among Toyota/Lexus models with V6 drive trains than those with V8 drive trains. The Tundra and LS430 didn't use the same drive train: https://en.wikipedia.org/wiki/Toyota_UZ_engine#3UZ-FE If you ever want to know which vehicles share a particular part, the following website has a cross reference that will list them: http://www.toyodiy.com/ Compensation of service writers is often based at least partially on revenue production including quotas that have to be met to stay employed. Service writers are in sales. Register your VIN on the owners section of www.lexus.com to see information about dealer performed service on your car. The lack of records doesn't mean much since many people use independent repair shops or do some or all of the service themselves. For example, none of the 65 oil and filter changes I did myself on my LS cars over 325,000 miles show in the service records. I almost always used independent repair shops, owned by former Lexus dealer employees, for major repairs and more complex services. My next door neighbor used the same indie shops to service his LS.
  11. I would be surprised if a Lexus dealer could provide information about the specs on a 22 year old Lexus but I suppose you could ask, There weren't a lot of options back in 1995 on the SC400... not much more than traction control, Nakamichi audio, CD changer and maybe a trunk mounted spoiler. I don't remember if a memory seat was standard or still optional. You can buy a download of the 1995 SC brochure at http://www.toyotareference.com/lexussc/1992-2000
  12. The brochure is non-official junk from some fly-by-night "business" that went by "International Masters". But, yes, Lexus vehicles sold in Japan (all Lexus vehicles were sold as Toyota in Japan until 2006) and the rest of the world had audio/navigation systems that were different than in vehicles sold in the U.S. and Canada. I don't know about the SC but a navigation system withi front and rear TV screens (over the air TV) was on the Toyota Celsior (aka LS400) in Japan as early as 1993, I wouldn't be surprised if Japan market Toyota-Lexus cars got backup cameras in the 1990's as they had laser adaptive cruise control long before it was introduced in North American market Lexus vehicles.
  13. Have you checked all the fuses? Is the battery in good condition and are the battery terminals and cable clamps shiny clean? After that, you are down to diagnosing the causes of the problems following the same instructions that a professional mechanic would follow. If you want to do this yourself, you will need to obtain the instructions - easiest way is to pay for and download them from https://techinfo.toyota.com although it may take some looking around to find them. Diagnosing electrical problems is not something many amateurs can handle as it often takes specialized diagnostic tools and knowing how to use them. If you not up to the task, your choice seems to be between paying a professional to do it or selling/junking the vehicle and applying the money you would have spent on fixing your RX towards buying a vehicle that is in better condition. Vehicle electrical systems corrode and deteriorate over time and a hot, humid climate like Florida has may be a factor.
  14. I suspect your "amp" under the driver seat is for something else - maybe some aftermarket product a previous owner installed. If the current Nebraska owner of my 2000 LS400 ever does some interior disassembly he going to find all sorts of electronic crap I installed and later quit using during the 10+ years I had the car.
  15. Bode, is your LS400 a RHD? Do you live in the UK? The amplifier on the LHD 95-00 LS400 that was sold in North America is under the front passenger seat - the seat on the right side of the car.