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Marc Robert

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  • Lexus Model
    ES300H
  • Lexus Year
    2013

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  1. Does the LOC have access for us to download the Factory Service Manual for a 2011 RX350? Not the owners manual but the Shop Service Manual that has all the behind the scenes info for the Tech....... Or from another site if it's not here........ I've not been able to find it on the site, so forgive me if it's right in front of me.....
  2. I'm in the process now of taking samples from the vehicle and sending some off for analysis. I'll be drawing off from the Cooling System, Brake, Transmission, and Power Steering in addition and placing all the fluids in small vials I obtained to allow for easy comparison. I decided to consult the Lexus Owners Manual to copy some pictures from it to show as evidence the various entry points recommended to fill them BUT I cannot find any reference in the manual directing one where to fill the transmission fluid. I'm sure I'm missing it somewhere, so if any of you have a moment to check your manuals (99' Lexus RX300 2wd), I would appreciate a page number to where its located. They clearly list every other fluid fill point, but I'm just not seeing it..... In fact.. check page 237.... It doesn't even note the Transmission Fluid Dipstick!!!!
  3. We took another look at the various fluids today and still no mixtures seen of fluids. Since I will be needing documentation that I checked all possible scenarios, I spoke with a transmission shop and they agreed that if any contamination were present from coolant in to the transmission, we would see a strawberry colored mizxture on the trani dipstick....... One of the suggestions led me to a company that will do an analysis, but so far 3 different labs told me that differentiating bewteen various fluids is difficult...... And the most interesting thing I learned was that the local Caterpillar Service center (yes.. the guys who service those giant engines and generators) will sell you a oil analysis kit for only $15.95, and they will send it out for the results. Typically any of these tests will disclose contamination.... such as metal, viscosity brakdown, etc. Identifying the difference between Brake Fluid, and Trani Fluid is a lot tougher.
  4. Jeff... All good suggestions and ones that I am contemplating now. The original oil change was done 5 months ago, so whatever has been circulating has been going on for some time and not likely to be corrected by doing flushes at this late date. As to your question, the Trans F;luid was okay.. no problem and not suffering form "Strawberry Milk Shake Syndrome" which the mechanic described what the two fluids look like when mixed together rapidly. My ongoing conversations with the "Lube Place" has been productive in that now they ask I send them a sample of the fluid in question so they can send it out to a lab for indentification. I want to do the same thing independently of them, but I am having difficulty in finding a "Lab" who does such analysis. If anyone knows of one (where the cost is less than the repairs) I would appreciate hearing from you.....
  5. For those of you who have responded to my problem, please let me thank you..... Here's the latest: I had a good conversation with the lead tech at Lexus here and reviewed what I had found. he told me that this vehicle not only has a small External Cooler in the right well area, but it indeed also connects into an additional cooler insdie the radiator. The worst of both in my opinion, only for the fact that they use all the same color fluids!. If it was the transmission fluid mixing with the coolant, he felt it would be a continuos process. But at this point since my servicer cleaned out the Radiator Overflow Bottle, no evidence of "Co-Mingling" has resurfaced. I then went back to my servicer to check the progress after driving for several days, and as I said, no more evidence of contamination. The mechanic feels strongly it is Brake Fluid after examining it. It would make sense if the "E-Z Lube" center did as we now believe inadvertenly pour it in the wrong adjacent bottle (Even though the paperwork from them indicates NO Filling of this Fluis (or any others)...... Even I find this difficult to fathom, and am torn about taking it to court or the BBB..... It's not exactly a proveable claim..... but as they say "A Preponderance of the Evidence"...... The only thing I haven't done, but really don't want to do unless required is have a radiator shop pressure test the Trani Coolant lines into the radiator to eliminate any theories that its an intemittent leak. None of the servicers I spoke with suggested this... it was my idea but don't you think I would have to do this to disprove E-Z Lubes claim that this was the cause?
  6. The Fluid that was found in the Radiator Coolant Bottle is DARK RED, and was "sitting" on top of the Lightrer color RED Radiator Coolant...See the attatched Photo.... Just Like Oil and Water not Mixing..... The tech saved it in a 32oz or so bottle, and we transferred into and filled a 12 oz clear water bottle... After a few Minutes... one is floating on top of the other....... Very distinctive...... If in fact the engine radiator and transmission radiator are seperate and do not interconnect anywhere..... then this mystery is now official......
  7. But the question at this point is this: What System... Radiator or Transmission has more Pressure? i.e. Is the Radiator pressure greater than the Trany circulation pressure that would then force Coolant into the Trani system.....?
  8. I found on the garage floor transmission fluid in the front right area...... When I had it checked the next day at my service center, they found at least 12oz of Trany Fluid (Dark Red) sitting on top of the lighter red Radiator Fluid in the Coolant Overflow tank. The Servicer cleaned out the Coolant Overflow Tank, and also found the Radiator cap rubber Seal was completley distorted and replaced it. My experience is that certain non-compatible fluids will alter certain rubber components. We are going to wait a few days and inspect the fluid tanks again to see if any more cross contamination has occured. My concern is of course has the coolant gotten into the tranny and is damaging it, and or has enough Trany fluid gotten in to the coolant train and has damaged the seals on the water pump..... I found only one reference to the "Trans-Cooler" on an individuals site for the RX300, but would hope someone has some advice on what I should do next.. and should I take it to a Transmission Shop, Radiaitor Shop (for pressure testing) or just have the Service Center do it all.........
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