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  1. Problems, Maintenance, and Repair (Gen 2)
    Here is my experience with the y-pipe (that goes from the exhaust manifolds to the main catalyst) on 2004 2WD Sienna in the Chicago area. 1) OEM Pipe Part Number 174100A390 Replaced at 147K miles due to flex pipe hole. I am pretty sure it was leaking a little for 20K before the hole got big...
  2. Problems, Maintenance, and Repair (Gen 2)
    DIY: 2005 Sienna 3.3L 3MZFE Timing Belt Just helped a friend do his Timing Belt at 115K. I don’t want to write a comprehensive DIY since there are some very good info on the web. If you are reading this, chances you are NOT a novice. This job difficulty is about level 7-8 out of 10. So if you...
  3. Problems, Maintenance, and Repair (Gen 2)
    I'm looking to purchase a used Sienna with around 100k and will easily put another 100K on it. Obviously, I'd like to find one with the timing belt already changed, to save that expense, but that may not be an option. The other option is to go with a 2007+ which have a timing chain instead of...
  4. Problems, Maintenance, and Repair (Gen 1)
    driving,van made a bit of a bang.wont start seems to be seized,has oil,is it the oil pump quit and seized the crank?
  5. Problems, Maintenance, and Repair (Gen 2)
    Just noticed something new. Just for the record, this is my wife's daily driver, so I only drive it about every other weekend. Timing belt, pump, seals, etc were changed about 15K miles ago. Last weekend I changed plugs, pcv valve, air filter, 5 quart tranny PMF. On my subsequent test drive I...
  6. Problems, Maintenance, and Repair (Gen 2)
    Hi, I just changed my 3.3l V6 Sienna spark plugs at 120,000 miles. I got a guide here for a 2007 CE which was well written and very helpful but there was enough difference in the 3.3 vs. 3.5 l engine that I thought I would put together a guide to help someone else doing the same job. The...
  7. Problems, Maintenance, and Repair (Gen 2)
    I want to install a magnefine filter on my Sienna. Has anyone done it to the 3.3L? I am curious as to which hose it the return to the tranny. I think it is the top one but I am not sure.
  8. Sienna Care & Maintenance
    TopSpy! Did we ever resolve the issues of back specing an '04 (3.3L) to 5W-20 oil?? ??? EDIT: added descriptive words to topic title for clarification BY: topspy/Mod-Squad
1-8 of 8 Results