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  1. Problems, Maintenance, and Repair (Gen 3)
    This popped up a few months ago, but silenced itself after a week or two. Then popped up again a few weeks later, and again silenced itself after a week or two. Van had about 105,000 miles at the time. Took it to a (Mom and Pop) dealer who I don't usually use (much smaller than my local...
  2. Problems, Maintenance, and Repair (Gen 2)
    06 le, 138k miles. I am planning to replace both valve cover gaskets. In hindsight I should have done so when I did the spark plugs late last year. In any case I want to know , while I am at it , what else to renew. Any ideas? Thanks
  3. Problems, Maintenance, and Repair (Gen 3)
    Just did my 5K services for 2015 Sienna which primary for tire rotations. I notices original OEM metal tire value caps replaced with plastic caps. These are silver color, looks cheap and not easy noticeable. I wonder it recommended by Toyota or shop try to do a parts swap?
  4. Problems, Maintenance, and Repair (Gen 1)
    On my wife's '99 Sienna, I took the throttle body out in order to get to the IAC valve to really clean it. However, I took off the plate that has the flat spring and gray plastic cap in the hole. They fell out in the cleaning pan. My two main questions are: What position should the "shaft" with...
  5. Problems, Maintenance, and Repair (Gen 2)
    I want to drain the coolant from my 2007 Sienna. Haynes manual says there are two valves on the engine block, one on the front side, one on the rear. I found the one on the rear, but cannot see or feel one on the front. Where should I be looking? Does it look and function just like the one...
  6. Mods and Projects (Gen 3)
    HKS SQV installed
  7. Problems, Maintenance, and Repair (Gen 2)
    Hi, So I bought valve stem seals Fel-pro SS72878-3 from O'reilly, for 2004 Sienna. They need to be ordered and you wait for 3+ days. They came in two plastic bags, 12 in each. There is also a plastic installation tubing in each bag. There is no words on bags which is intake vs exhaust...
  8. Problems, Maintenance, and Repair (Gen 2)
    I am trying to replace the front valve cover gasket on my 2005. The procedure has been documented in other threads except for one detail regarding the bolts [as far as i can tell]. There are approximately 6 to 8 10mm cover bolts and 2 or 3 that look like a stud with an inverted torx head on...
  9. Problems, Maintenance, and Repair (Gen 1)
    I have searched here and on the web anyone have the part numbers for the bolts that hold the valve covers on? Thanks,
  10. Problems, Maintenance, and Repair (Gen 2)
    2008 w/ 109K - Noticed an oil burning smell, 1st mechanic look said it was a leaking valve seal/gasket. Anyone have this.
  11. Problems, Maintenance, and Repair (Gen 2)
    I bought this 2004 XLE Limited van in May of this year. A the weather started getting cooler, I noticed a valve rattle type noise, when cold,at 2500 rpm just before changing gears. After driving the van 4 or 5 miles, the noise stops. I googled this problem and found several posts with a similar...
  12. General Discussion (Gen 2)
    How often and where is it located? Thanks
  13. General Discussion (Gen 2)
    working on a friends 2008 U151E transmission that suddenly lost L and 3rd gear. drained and flushed 12 quarts of fluid through (thanks for the tips, DrCoffee!) but the L and 3rd gears did not come back. All 7 solenoids checked out okay and there were no trouble codes set. Fluid was dirty but...
  14. Sienna Care & Maintenance
    where is pcv valve located on 2004 toyota sienna
  15. Problems, Maintenance, and Repair (Gen 1)
    So I have a bad intake valve as discovered by comression testing (you can hear and feel the air coming through the intake with the valves shut when I put compressed air into #2 cylinder.) Can I repair and or replace the 1 head or do I have to do both heads at the same time? I was looking at...
  16. Problems, Maintenance, and Repair (Gen 1)
    Can some one tell me where to find the PCV Valve on a 2000 LE. I am embarassed to ask, but the replacement valve has been subbed to a Camry unit.
  17. Problems, Maintenance, and Repair (Gen 2)
    I have a 2004 Toyota sienna with 98,000 miles. The check engine light recently came on and I took it to a mechanic who ran and did a diagnostic test. It turns out its the evap vent control valve/canister that is stuck. I'm not a mechanic (nor mechanically inclined), but what I understand from...
  18. General Discussion (Gen 2)
    Hi all, My air recently quit in our van. I discovered the clutch was not engaging even when I hooked direct voltage to it. After pricing a new clutch I just ordered a reman compressor w/clutch. Installed the new compressor and pulled a vacuum. No leaks so I began charging the system with freon...
  19. Problems, Maintenance, and Repair (Gen 2)
    I know there is an older post on this topic, so I wanted to give it a refresher in case no one is following the oldie. My 2004, 97,000 miles, Sienna emits white smoke at start up in the morning ONLY. Throughout the rest of the day, it's fine. A toyota master tech said it was the valve...
  20. Problems, Maintenance, and Repair (Gen 2)
    Cleaned the valve today using carb cleaner. After 114k miles the "valve" inside still rattled , though sluggishly. Facing the engine ,a flashlight helps, look to the rear beyond the radiator cap. It is aluminum colored , all metal , and screwed into the rear valve cover. Attached to it is a...
1-20 of 46 Results