Best way to clean engine? (Washing/ Blower/ Wiping)

Discussion in 'Prius c Care, Maintenance and Troubleshooting' started by Aqua2014owner, Apr 4, 2018.

  1. Aqua2014owner

    Aqua2014owner New Member

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    I am driving My 2014 Aqua (Japanese domestic model) on very dusty roads, a lot of dust gathers under the hood, I read somewhere that washing the engine as the servicemen used to do in my older cars can damage the electrical parts, so I decided to blow off the dust with a blower, but a friend who saw me advised not to do this as his car's controller unit malfunctioned after a similar cleaning, the only option left is wiping but that will be tiresome and ineffective, what then is the best and safest way for under the hood cleaning of Hybrid cars?
     
  2. WilDavis

    WilDavis Senior Member

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    There are lots of videos on youtube. Here is just one:
     
    #2 WilDavis, Apr 4, 2018
    Last edited: Apr 4, 2018
  3. Mendel Leisk

    Mendel Leisk 'Orrible Oracle

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    We're rarely if ever on unpaved roads, and low mileage, and on the west coast of North America, not a lot of air-borne dust, so the engine bay stays relatively clean. The car has a fairly complete engine underpanel, and I have added 1.5" Outside Diameter foam tubing pieces on the crimped fender edges at both side edges of the hood, making the engine bay fairly well sealed. When I do a bit of cleaning, some tools I use:

    1. An old paint brush. Just go over the most visible areas, brush off what I can reach.
    2. A dusting wand. One of those dust catcher style brushes, that looks like an extremely fluffy cat's tail, just push it into any and all corners.
    3. A good powered wet/dry vacuum, one that can both suck and blow. Use the suction with a brush dust, and to clean the dusting wand. Use the blower mode to knock the dust out of all the corners.
    4. And electric leaf blower, used similar to the vacuum on blow, just more powerful.

    Here's a pic, and I haven't touched it to speak of in maybe a year. You can see the 1.5" OD tubing at the left and right edges of the engine bay:

    IMG_8445.JPG
    IMG_8446.JPG
     
    #3 Mendel Leisk, Apr 4, 2018
    Last edited: Apr 4, 2018
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  4. mohsin

    mohsin Member

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    Hi. I must say your car engine bay is exceptionally clean.
    Unfortunately we donot have such climate, dust & sand is very common on road.

    I really like your idea of putting soft foam pipes. ;)
     
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  5. Mendel Leisk

    Mendel Leisk 'Orrible Oracle

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    Here's something else I've found, though never followed through:

    If you look at the engine underpanel there's a couple of rectangular openings. It's not clear what they're for, maybe transaxle drain axis? At any rate, there's a cover available for this, clips onto the underpanel. North American cars don't have this cover, Japan ones do I believe. Not sure why, cost cutting? Yours may or may not have this, here's the part numbers:

    extra small panel that fills openings in engine underpanel:
    panel no: 51447-47030
    (3) clip no: 90467-07201

    I'm not 100% sure of compatibility, just something for research.
     
  6. Aqua2014owner

    Aqua2014owner New Member

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    Wow man, you'r lucky !
    And thanks for you'r tips.
     
  7. Aqua2014owner

    Aqua2014owner New Member

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    I would never close the openings, Toyota people don't do things mindlessly, they might be for ventilation.
     
  8. Mendel Leisk

    Mendel Leisk 'Orrible Oracle

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    Yeah, good thought. Still, I had ScanGauge hooked up for a few years, usually monitoring coolant temp, and never saw anything alarming. I'd agree the jury's still out, but I get the sense those two side edges being open is not that instrumental in releasing hot air, more likely just an area they didn't bother to weatherstrip. There is continuous weather strip along the front and rear.
     
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