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    • By vissine
      Hi, last few days, when I started up my car, I heard the noise sound like from the transmission area, but the car worked fine. I didn't realize that was a warning sign. Today, when I drove it the RPM was up to 3000 but the car didn't move as it should, It felt like slipping. Turn off the engine and started up again, then I could drive up to 40 mph with 2nd gear. A few years back, I had  a similar problem and it was a dirty filter and worked after I changed the fluid. Since it's been just 10k from my previous flush, I think clogging up filter now does not make sense. Do you have any experience about this? I do not think the fluid is low since it covers the hot mark when the engine is at hot. I searched for transmission pump but couldn't find anything. Nearest dealership is about 2 hours away so taking it there is out of option. Do you think AAMCO can handle Lexus LS400? Can Toyota dealer repair it? For Lexus transmission, I do not like to take it to Mr. "fix any car" mechanic
    • By hlovepenn
      We live in the Largo, FL area and I need a good Lexus mechanic to help me solve a problem of my '96 LS400 running very rich. My former Dallas mechanic believes it's the ECU, but I can't get the car back to  him for repair. Any help is greatly appreciated.
    • By deremley
      I have a 2002 rx300 fwd, and I know I am late to the game, but like just about everyone that has posted here, I also had the same problem and (thanks to many of you) the same solution. I had the filter replaced, system drained, new ATF added and everything worked out great (especially saving the 5k on a new transmission). This was about 2000 miles ago (135k miles on the car). 
      This past weekend I drove to DC from Pittsburgh and back with no problems what-so-ever, until I pulled onto my street and all of a sudden the car jerked and the rpms shot way up but the car didn't really move (I think it would go about 25pmh while at 5000rpms), like it did just before it quit completely and before I had the filter/fluid replaced. Thinking that maybe the filter was clogged again I replaced filter/fluid a second time. I should note that the fluid looked like it the day I put it in - still very red and hardly anything in the filter.
      Now here is the new issue - when you put the car into drive or reverse there is (what my mechanic calls) a delayed engagement. That is to say, after a few seconds the car will finally move. If you push too hard on the accelerator the car will jerk hard and then engage. If you are very easy on the accelerator, if doesn't jerk, but still takes time to engage. Once the car is moving, however, everything is seemingly great. I took it for a test drive on the highway, once I merged into traffic and had the car going about 35mpg it shifted very smoothly. Its just went it idles that it drops out of gear and then has the delayed engagement. My mechanic suggested that it might be the gear pump in the transmission itself, that is failing, and that it is not building up enough pressure when first put into D or R. Any thoughts or guidance here would be greatly appreciated.  
    • By jehmin
      Is250 2006 150K RWD A960E Transmission
      Started with Transmission Codes after a dealer CSP of carbon cleaning. These two incidents could be completely unrelated. But then again there is evidence of other users with similar instances.
      Initial problems was Torque Converter Problem / VSC which transformed into my car getting stuck in 3rd gear and not going to the higher gears. RPM will be very high. This might be called a limp or safe mode to allow the car to drive. Codes P2757 and P0761
      After much reading . I changed TCC and SLU solenoids along with a ATF filter and fluid change. Enough to get the color to change from black to something more red. Parts 35210-50010 (SL1/TCC) and 3528030050 (SLU)
      After the replacement car shifted smoother and the Torque converter code went away. But still not going out of 3rd sometimes. Code changed to
      P2714 and P0761 Solenoid C stuck off
      Iv checked the resistance of each solenoid and it was within the literature value of a certain Manuel or about 0.2 Ohms higher than high operating value. I thought this was ok? As the new part I got for the TCC was also 0.2 higher. I also used techstream to command each solenoid to perform. In most cases I can hear a faint sound when each is activated. Wish it has the pressure value of each solenoid ( I couldn’t find it on my version of TS)
      The only other steps outside of a new transmission would be ( none of which were said to be a definitive solution)
      Change transmission wire? ( how would one check this to know if its ok?)
      Replace Solenoid C 3524050030
      Replace SLT 3529034010
      Update Calibrations for transmission ( My dealer will not offer this said it won’t do anything)
      Does anyone have experience with these issues or have a solution?