I May Change My Oil Soon

Discussion in 'Prius c Main Forum' started by Lukey51, Mar 18, 2020.

  1. Lukey51

    Lukey51 Member

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    It will be overkill but I may do it anyway, because I'm somewhat of a fanatic. Got the car from a Mazda - Acura dealer Jan 8, 2020 with 108k well maintained miles. They changed the oil and filter and used Conoco-Phillips 0w20 full synthetic, which by no means is an inferior oil. I couldn't even see the oil on the dipstick when I got the car, that's how clean it was. And I've driven the car 1100 miles since I've owned it (and I now can see the oil on the dipstick). But I'm planning to do either 6 or 12 month oil changes and I drive up to 5k miles a year in East Tennessee USA. I have some Castrol Edge 0w20 FS and the same oil filter that the dealer put on it, a Federated PH4476F.

    I could easily run the Conoco Phillips oil the whole year and change it next January if I wanted to. Many people do one oil change per year and get hundreds of thousands of trouble free miles on their Toyotas. But I'm a fanatic and strive for automotive perfection. And besides, they told me they used Conoco Phillips oil in my car which may be true, but if I add my Castrol Edge I will KNOW for fact it has Castrol Edge in it. Plus changing the oil in the spring is the ideal time because most of the condensation occurs from driving it on short trips in the Winter, but that's nit picking, but I'm a nit picker. So I guess I'll change it sometime in April and then try to decide if I'm going to run it until April 2021 or change it again in October and do oil changes 2x a year.
     
    #1 Lukey51, Mar 18, 2020
    Last edited: Mar 18, 2020
  2. dig4dirt

    dig4dirt MoonGlow

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    I was doing once a year, i only put on about 8k or so
    but since i hit 5 year life now, I decided to do every 6 month....due to short trips etc.
    i will probs drop to about 5k a year

    So i just changed mine a few weeks ago, and then will do fall and spring 6 mo interval

    ya gots to do, what ya gots to do (y)
     
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  3. scona

    scona Active Member

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    I change my oil every 6 months, spring and fall, and only drive about 2500 miles between changes. Using 0w-20 Pennzoil, and only change the oil filter yearly. So far so good. Oh, and I have a catch can.
     
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  4. douglasjre

    douglasjre Active Member

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    Too thin. 0W-40 unless you're in Alaska
     
  5. dubit

    dubit Senior Member

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    0W-20 is the recommended oil in a Prius C
     
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  6. Lukey51

    Lukey51 Member

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    No way. I'll trust Toyota to know what oil viscosity to run in their Prius C. I don't like to fool around with Mother Nature.
     
  7. Lukey51

    Lukey51 Member

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    I noticed the other day that there was an 0w20 syn blend oil at Walmart but I can't seem to remember the brand. It might have been Castrol. But full synthetic is the prefered flavor of oil for the C.
     
  8. Mendel Leisk

    Mendel Leisk 'Orrible Oracle

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    Toyota doesn't mention synth regarding the oil. That said, I think 0W20 is synth as a rule?
     
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  9. Lukey51

    Lukey51 Member

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    Yes, most 0w20 oil I've seen is full synthetic. Some people have said 0w20 is all FS.
    The 0w20 SB was the first non FS oil I ever saw.
     
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  10. Lukey51

    Lukey51 Member

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    Changed my oil today and added fresh Castrol Edge 0w20 full synthetic and a Federated oil filter.
    Then I went on a 28 mile drive and got 64.6 MPGs.

    The oil drain plug gasket (lower left) looked pretty worn out so I used one of my new aluminum gaskets (right). I think one of the plastic ones [top] would also work OK on it.

    DSC_7122.JPG
     
    #10 Lukey51, Mar 26, 2020
    Last edited: Mar 26, 2020
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  11. Mendel Leisk

    Mendel Leisk 'Orrible Oracle

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    I like the plain aluminum washers. I'm using the coated Toyota washers, no problems (apart from their tendency to stick to the oil pan), but with similar Honda washers, I would torque the bolt, and when later removing it, found it waaay too easy, like the coating had compressed. Luckily Honda dealership offered plain aluminum, and I always got those.
     
    #11 Mendel Leisk, Mar 26, 2020
    Last edited: Mar 26, 2020
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  12. dubit

    dubit Senior Member

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    The Toyota washers are that way intentionally in order to help prevent over torquing the bolt & stripping threads. That's why we call them "crush washers".
     
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  13. Lukey51

    Lukey51 Member

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    There was a drop of oil that had leaked out by the drain plug after my drive so I wiped it off, then loosened the bolt and tightened it up again, then drove to the post office and back which is 2-3 miles. It didn't seem to leak again. I can remember new drain bolt washers leaking a wee bit in some of my past cars when I changed my oil. Evidently this bolt will be OK now and will not leak any more. I didn't dare to tighten it up any more than I did the 2nd time. I have a feeling one of the plastic washers would have worked better but I'm not sure. I no longer have my torque wrench. I think I sold it and I kind of wish I'd kept it.
    The oil drain bolt on the Ford Fiesta I had was so tight that I couldn't even get it off myself. I had to take it to a car care place for them to loosen it. I bought the Fiesta from a woman who worked at a car care place where they did oil changes on cars that were on a hydraulic lift and it was like the muscle heads there didn't want anyone else to be able to remove the oil drain bolts. :rolleyes::rolleyes::rolleyes:
     
    #13 Lukey51, Mar 27, 2020
    Last edited: Mar 27, 2020
  14. Mendel Leisk

    Mendel Leisk 'Orrible Oracle

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    Plain aluminum washers had that moniker too. The coatings seemed to have evolved in the last 10~15 years?
     
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  15. Lukey51

    Lukey51 Member

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    That's the first coated washer I've seen on one of my oil drain bolts so far. That thing must have been used for many oil changes.
    It may have continued to work but I chose to use a new aluminum one.
    Checked it again today and it didn't leak one drop.
     
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  16. Mendel Leisk

    Mendel Leisk 'Orrible Oracle

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    Toyota says change it every time. (y)
     
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  17. dubit

    dubit Senior Member

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    Yes they do! I have re-used one before, but it was because I had forgotten to pick up some more. Might laugh, but instead of paying for them, take a walk around the service dept area. Particularly where they park the customer vehicles. If they give the washer to the tech at the same time they hand them the ticket like we do. You'll find them all over the ground.
     
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  18. Lukey51

    Lukey51 Member

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    The Castrol Edge seems to make the car run even nicer, or it may be the placebo effect or just bc it's new oil.

    I saw Castrol GTX Ultraclean 0w20 syn blend in Walmart today for about $19 for 5 quarts. But for $1 more you can get Castrol Magnatec 0w20 full synthetic. Or Super Tech 0w20 FS for $15.
     
  19. Lukey51

    Lukey51 Member

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    But I think Castrol GTX 0w20 syn blend would work good on a Prius C for someone who prefers using something other than full synthetic for some reason. And it said "For Toyota and Honda" on it.
     
    #19 Lukey51, Mar 29, 2020
    Last edited: Mar 29, 2020
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