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Toyota 4Runner Maintenance and Repair

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Comments

  • chuck1chuck1 Posts: 1,405
    "and have just noticed the last couple days that the tranny is sometimes shifting down (presumably to 4th) when I let off the gas. This happens when I crest a hill and let off so I don't speed down the other side."

    You know, something alot of people forget is that the 4Runner is a "drive by wire" system. The gas pedal is NOT HOOKED UP TO THE Engine. Instead, it is hooked up to the electronics (i.e. read computer") and therefore does not act like your previous vehicle that was hooked (gas pedal) up to the motor via linkage. I noticed this immediately. The computer will do what it thinks it should, regardless if you take your foot off the gas. I know what you are talking about, it happens to me. Your 4Runner is fine, don't worry about it!
  • ATTENTION ALL 2005 TOYOTA 4RUNNER OWNERS...iF YOU HAVE A SHIMMY/VIBRATION FELT IN YOUR STEERING WHEEL AT HIGHWAY SPEED THAT IS ESPECIALLY MORE PRONOUNCED DURING LANE CHANGES OR WHEN NEGOTIATING A BEND/CURVE YOU HAVE A DEFECTIVE "HYDRAULIC CONTROL VALVE" IN THE STEERING SYSTEM. THIS IS WHAT TOYOTA HAS INDICATED TO ME. THE BASTARDS AT TOYOTA HAVE FINNALY ATTMITTED TO ME THAT THIS IS THE CAUSE OF THE SYMPTOMS THAT A LOT OF OWNERS HAVE BEEN COMPLAINING ABOUT.I AM CURRENTLY TAKING TOYOTA TO COURT OVER IT AND I WOULD LOVE TO HEAR FROM OTHERS. THEY NEED TO BE HELD ACCOUNTABLE. THIS IS A SAFETY ISSUE.I FEEL LIKE I SHOULD HAVE BOUGHT A HYUNDAI FOR ALMOST HALF THE COST. SO OFF TO CAMVAP I GO (CANADIAN MOTOR VEHICLE ARBITRATION PLAN). NO LAWYER COST HERE. JUST MY TIME AND THEIRS.
  • chuck1chuck1 Posts: 1,405
    "Toyota has acknowledged to me that they have found a "defective hydraulic control valve" causing a shimmy/vibration in the steering.I'm currently taking the bastards to court over it."

    So Toyota will not fix it? It's my experience that once you need a Lawyer and go to court...based on the time and money involved-even if you win.....you lose!!
  • Thanks, the receipt shows they checked the air filter and pipes and all was well. Should I just request the filter to be changed?
  • It's your rear passenger seat all right. All of them have it and until you get them to make the adjustment it will drive you nuts.
  • "It's your rear passenger seat all right. All of them have it and until you get them to make the adjustment it will drive you nuts."

    Thanks for the response. Do you know exactly what the adjustment is? I took it in once and they acted like they had no idea. I figure if I make it clear that I know what the issue is, they'll stop giving me the run around.
    Thanks again.
  • nedzelnedzel Posts: 787
    Downshifting of the transmission is normal. You'll typically notice this when going downhill and braking. That's called "grade-logic." It's a feature in many transmissions these days.
  • Hello all. There have been a significant number of posts in here regarding a driveline thump (ie. a feeling like you have been rear ended when coming to a stop or when just starting out). I, too, had this issue. Based on advice in this forum, I asked the service dept. to lube the slip yoke while I had the 4Runner in for an oil change. The lube completely took care of the problem. For others who have, or are, experiencing this issue, I suggest you do the same!
  • So where did the dipstick go (and don't say look behind the steering wheel...).

    How do I keep an eye on my auto trany?

    Mark
  • What I have noticed on my 2004 Limited is that whenever I am going downhill, and barely press the brake to slow down, that the engine will brake (or tranny will downshift, whatever) so that I won't increase my speed going downhill. This isn't something that is discussed in the owners manual because I looked. It is just a nifty thing I noticed. Since the vehicle has downhill assist, I wonder if there is a connection to that, even tho I haven't pressed the downhill assist button to turn it on. Anyhow, Just think it is interesting how that works. It is like the vehicle is thinking and responding to the input from me that braking, of some sort, is desired. Whether it be by braking, engine braking, or tranny downshift. Also, once this downhill braking kicks in, if I slightly depress the gas pedal, it loosens up again and I continue downhill at full speed, increasing speed like normal on a hill. Cool stuff. I wonder why it isn't mentioned in the owners manual. Anyone else notice this on their vehicle? Is it only on the limited?
  • My 2003 4Runner also makes a "clunking" noise over mild bumps (this is on top of the sunrooof rattle by the way). The suspension also seems to be stiffer and not absorbing the bumps like it used to. Will bring it in for service next week and keep you posted.
  • Mine is doing that and it's just a standard ole SR5.

    Mark
  • nedzelnedzel Posts: 787
    grade logic is not exactly new on auto transmissions.
  • exactly how old is it? I never had anything like that on my 1999 Jeep Grand Cherokee
  • nedzelnedzel Posts: 787
    Doing a google search, I found references back to 1995 model year cars with grade logic transmissions. Note that not all transmissions have it -- I'm not trying to imply that all 1995 model cars have it, but rather that at least 1 did.
  • Now that it is getting quite cold out, I have been using the heated seats in my new 4 runner and noticed they don't get very warm. Other cars with heated seats that I have been in get so hot, I have to turn the seat heater down after 10 minutes. In my 2005 4 runner, I barely feel the heat, even after 1 hour. Does anyone else have this problem??
  • I have heated seats in my Limited 2004 V8. When I have them turned to the highest setting, they get very warm within a couple minutes, so much so that I have to set them back a couple of settings, then set them back again a couple of setting until I turn them off altogether. Your experience sounds like a possible problem that should be looked into. Hopefully under warranty for you.
  • I too have a 2005 4Runner, with 12000miles on it, and run 70-100miles per day on freeway. The windshield is covered in pit marks and the glass has that aged/warped look when viewed from an angle or moving your vision up and down while focused on an object.
    It is in the shop again today for lock up slipping on overdrive, they too have replaced front tires at 2500 miles but shuddering persists until the tires warm up. I have the sulphur smell issue, steering shake, twitchy breaks and an engine vibration at low temps.
    I dont think its unreasonable at all to expect compensation but fighting would ultimately leave me out of pocket so we sit back and be complacent hoping that nothing 'serious' goes wrong after the warranty runs out!
  • nedzelnedzel Posts: 787
    On my 2003 Limited, I start out with them at their highest setting, but then turn it down after 10 min. or so.

    Perhaps there's a problem with your seat heater.
  • 1998 4Runner 103,000 miles - recently developed brake problems. Had everything changed out front / rear plus master cylinder and I am still left with spongy brakes with little room when braking. I took it back to the repair shop and they bled the brakes but without improvement. The brake pedal has been adjusted as well. Any suggestions? Thanks
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