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  1. General Discussion (Gen 4)
    Hello viewers, I have been thinking about how the Sienna could possibly get HybridMAX/Direct4 due to sharing the same platform as the new Lexus RX and the Toyota Crown crossover type. I think could be a good powertrain for extra towing (5,000 lbs?) or hauling a** fully loaded on a road trip...
  2. General Discussion (Gen 4)
    The Toyota engines are far more complex than I ever imagined.
  3. Problems, Maintenance, and Repair (Gen 1)
    Hey I’m new here and I have a diagnostic question. I have a 2001 Sienna that belonged to my older brother, and I’ve been driving it for a few years. Lately I’ve noticed when driving at high speeds on the freeway (70+) it feels like it’s lurching or stalling out. I’m wondering if this could be...
  4. Problems, Maintenance, and Repair (Gen 3)
    My 2019 XLE front wheel drive has recently exhibited intermittent problems when trying to accelerate from a stop. No codes, no lights, always works fine when dealer is testing. Looking for any feedback to see if I can guide them to fixing it under warranty. My wife's had it happen to her twice...
  5. Problems, Maintenance, and Repair (Gen 1)
    The other day I could hear steam from the top of the radiator and bubbling in the coolant reserve. The engine temperature gauge was almost at red and the fans would not come on, I'm something of DIY guy and handy so I searched online and found how to test the fans by bypassing the relay which in...
  6. Problems, Maintenance, and Repair (Gen 2)
    Hi there, new to the forums - hope everyone is having a great weekend :) Please could one of you kind folk tell me whether the following ticking/rattling noise is something to be concerned about, or whether it is normal running sound? If it is an issue, if anyone could give me a rough (or even...
  7. Problems, Maintenance, and Repair (Gen 1)
    so my oil pan is stripped and well its old. im replacing it along with the gasket. there is so much sludge that i cant even put a funnel in all the way at the top (takes forever to put in new oil). i think i can get away without removing any exhaust components bc there is so much clearance...
  8. Problems, Maintenance, and Repair (Gen 1)
    Hey all, Thanks for all the advice I got last time I posted! So here's my story of woe: Wife's 2002 Sienna, timing belt broke. Replaced timing belt, but it ran rough. Re-timed several times with the same result. Tested compression, compression was fine. Did leakdown test, tested fine...
  9. Problems, Maintenance, and Repair (Gen 3)
    Anybody help id this sound? Recently had engine re-calibration done for a TSB and recall. (4k miles) There is a noise when idling (warmed).. Wondering if anyone think this is engine knocking / unusual sound? I did not have/hear this noise before the recalibration! (I also noticed the car is now...
  10. Problems, Maintenance, and Repair (Gen 3)
    my 2016 Sienna is making a weird noise from the TOP of the engine I've read is normal but I don't think is normal at all. https://youtu.be/dEwrQzTyCGA Couldn't upload mine but Found this video in youtube exact noise that mines is making
  11. Problems, Maintenance, and Repair (Gen 3)
    Oil was changed about 5877k miles ago and the reminder light had just come on for a change, which I normally take care of myself (reminder set for 6k). There was no "check engine" or "oil pressure" light of any sort. It just started choking as it was being driven, quickly pulled over to...
  12. Problems, Maintenance, and Repair (Gen 1)
    So I'm hoping it's not dead for real but last night the engine died and the car just turned off while I was turning onto a side street. Car is at like 188K miles and has recently gotten an oil change and replaced air filter. A small amount of smoke was coming from the hood as well. Smelled...
  13. General Discussion (Gen 3)
    So we had a 2008 limited sienna which was a fantastic car. We bought it used (lease turn in) and my plan was to run it to the ground. Unfortunately Thanksgiving week someone rear ended us at a red light and it was totaled. I have been looking for a 2013 limited to replace our vehicle. Today I...
  14. Problems, Maintenance, and Repair (Gen 3)
    My mom's 2011 has a foghorn sound coming from the engine while driving the car. Our Toyota dealership said the radiator was cracked on the bottom and she paid them $700 to install a new one. The foghorn noise went off again while I was driving the car today (new radiator was installed a week...
  15. How To Guides / Do It Yourself Instructions
    Found a thread with links to this but none were active and it was closed so… Here's one: http://mr2.bordeauxgroup.com/AVTO0566.pdf. Not sure how long it will last.
  16. General Discussion (Gen 3)
    Since last Friday, I started to hear rattling noise under the hood at first I was it was engine knocking sound. I did took it to dealership and right after I had my 50K service done, the foreman did a long diagnostic of the van and found out the water pump ball bearing is the problem. The cost...
  17. Problems, Maintenance, and Repair (Gen 2)
    Just wondering if anyone else has experienced this problem. It's leaking coolant from right under the engine, not around the radiator or that area. Vehicle has 115,000 miles. Afraid it might need water pump replacement, hoping something cheaper like thermostat. Anyone else have any similar...
  18. General Discussion (Gen 3)
    Hello, I was trying to get a link to the engine diagram but haven't had much luck. I have a 2011 Sienna XLE AWD, V6. I appreciate any help. Thank you.
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