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08 Prius wear and tear questions

Discussion in 'Gen 2 Prius Technical Discussion' started by medic_morgan, Feb 16, 2017.

  1. medic_morgan

    medic_morgan Junior Member

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    Hey everyone..

    long time lurker 1st time poster. I have some questions regarding spark plugs and trans fluid. Bear with me as this might be lengthy. I'll be honest, I'm pretty much a shade tree mechanic that can try anything with good research/videos and picture write-ups. So we have a 2008 Prius that I finally got the courage to replace the spark plugs/PCV and ATF today. All in all the process was quite easy after doing all the research on the forum. Replaced the plugs w/ Denso's, PCV/ATF was from the dealer and while in there did a good MAF and throttle body deep clean since the housing was off. A little back story we bought certified at 111k 2 years ago and now we are at 173k and I've notice some oil consumption issues so I figured plugs and PCV were first on the list of most recommendations.

    Here are some pics of the old plugs next to one of the new Denso's
    IMG_3754.JPG
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    I don't have mechanical expertise in this area and was hoping someone might be able to tell me if this looks normal for used plugs. Due to the mileage I'm not sure if/when these were last replaced. No issues noted with mileage as MPG's have always been consistent at ~45-46 over the past 2yrs with heavy highway use. No stuttering or misfiring either. Wife now says the Prius "feels smoother" post plug change.

    MAF and TB were dirty but easy so no pics there.

    PCV was dirty and seemed oily but still "rattled".

    ATF was BLACK with practically no red tinge. Here's the drain plug magnet with the debris. Is this "a lot" by any standards?
    IMG_3759.JPG
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    Lastly, I read somewhere that if oil was being consumed to try the finger swipe to the cold exhaust. I did that and here's what I found..
    IMG_3767.JPG
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    What could this mean and is it normal to be so dusty/fine?

    I'll be doing my own oil changes from here on out to truly monitor consumption after all of this so if anyone has a good filter wrench they can recommend for a Gen2 I'd appreciate it.

    Thanks in advance for the help and I hope to contribute to the forum in someway someday.
    Here's a pic of my commuter "Penny"(saves us money on gas) after all was said and done today.
    IMG_3781.JPG

    Ryan




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  2. JC91006

    JC91006 Senior Member

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    All these engines seem to use oil as the miles increase, at 173k miles, I would think it's normal to have oil consumption.

    The old plugs look great, don't think you have anything to worry about. Just monitor the oil consumption and add oil as needed

    Who sells certified cars with over 100k miles? That's a lot to be certified
     
  3. medic_morgan

    medic_morgan Junior Member

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    Sorry not a CPO but the dealer gave us a 12mo/12k mi Warranty coverage at time of purchase since we were apprehensive to purchasing w/ 111k on the odometer.


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  4. MTL_hihy

    MTL_hihy Active Member

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    Plugs look like they are burning well (no glazing, slight brown, even across all plugs).

    Tranny fluid looks bad, you might want to change it again next year too until it starts staying transparent longer.
     
  5. Mendel Leisk

    Mendel Leisk Senior Member

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    That's not so much the fluid as the accumulation on the magnetic drain bolt. That said: good policy to change the fluid, if it's never been changed that's a loooong stretch.
     
  6. MTL_hihy

    MTL_hihy Active Member

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    He said it was "ATF was BLACK with practically no red tinge." so to me that's likely the original fluid and probably looked like motor oil from a diesel when it came out........certainly worth shortening the interval until it's running cleaner IMHO.
     
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  7. Mendel Leisk

    Mendel Leisk Senior Member

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    Ahh ok, was fixating on that drain bolt pic.

    Yeah I first replaced ours at the one year mark: simple and cheap chore, why not.
     
  8. tf4624

    tf4624 Active Member

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    Add 2 filter magnets to your oil filter. That's a bit black. Lots of carbon. Then get a quick release fumuto drain plug with the long nose on it


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  9. medic_morgan

    medic_morgan Junior Member

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    Thanks. I'll start on a 12mo interval. It's such an easy drain/fill. Hopefully the ATF will last since I'll no longer be putting 30k/yr on this commuter.


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  10. medic_morgan

    medic_morgan Junior Member

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    I didn't get a pic of the fluid draining but it was black and could've passed as oil. I took the pic of the drain plug to show the accumulated shavings on the magnet. Is that a normal amount of accumulation or excessive? I'm don't know when the last/if-ever time the ATF was changed. I have put many, hard commuting miles on the Prius since we purchased it and didn't know if that plays into the wear.


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  11. medic_morgan

    medic_morgan Junior Member

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    Does anyone have a link to the best oil filter wrench to buy for the Gen2's?


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  12. Mendel Leisk

    Mendel Leisk Senior Member

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    I've had magnetic drain bolts on a variety of Hondas with automatic transmissions: they invariably have a silvery growth of metallic paste on them.

    I'm not sure about second gen oil filter wrench, would the size be the same as third gen? Maybe someone will comment. I'm using a Honda wrench, same size: 64mm face to face inside (carefully measured with caliper, it's roughly 64.5 mm) and there's 14 faces. There's plenty available. For me: the Honda wrench is a known quantity, readily available, HEAVY stamped steel. The part number now is

    07AAA-PLCA100


    That number has changed over the years, but is the same item I believe.

     
  13. greasemonkey007

    greasemonkey007 Active Member

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    I've found that some of these cars use oil earlier than others. My 05 has an engine from an 09 that only had 86k on it. It's got about 110k now and it's starting to use a little. I use a quart of Lucas oil stabilizer about every third oil change and it seems to slow down.
     
  14. medic_morgan

    medic_morgan Junior Member

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    Thanks Greasemonkey. Do you sub the oil for the stabilizer? If so, how much do you add?


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  15. greasemonkey007

    greasemonkey007 Active Member

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    Yes, 3 qts oil and 1 qt Lucas.
     
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  16. Currahee

    Currahee Member

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    The same size oil filter socket works on all Toyotas. I have a TOY 640 and have used it on Gen 2 and 3 Prius and RAV4. Only caveat is it gets stuck easily.
     
  17. Mendel Leisk

    Mendel Leisk Senior Member

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    Seems like a common size then, industry wide. I'm usually using an extension with mine, and if it sticks when I'm trying to remove it, I find tapping the extension will jar it off. Here's a pic of two Honda sockets I have. The one on the left is the 64 mm, the current one I use. The one on the right is a relic; Honda no longer uses that side. It's funny, the smaller one I got for a Honda motorcycle, and they adopted that filter size for their cars eventually.

    Anyway, rambling: what I wanted to illustrate, the older socket on the right has a piece cut out, handy for prying the socket off with a screw driver, if/when it sticks.

    IMG_6380.JPG
     
  18. MTL_hihy

    MTL_hihy Active Member

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    I use a pair of 20 in channel locks for oil filter changes, I haven't seen an oil filter I couldn't remove with those (including big diesel filters).
     
  19. Mendel Leisk

    Mendel Leisk Senior Member

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    Think I know what you're describing, wide-jaw locking pliers? There was a brand-name: ViceGrips. I need a pair of those for removing the lids of spaghetti jars. :oops:
     
  20. MTL_hihy

    MTL_hihy Active Member

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    Technically they are called tongue and groove pliers but the trade name is channellock just like folks ask for a Kleenex or Band-aid.

    Attached a photo of what I use below.
     

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