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Thread: cleaning the engine

  1. #1
    Regular Member Swedge's Avatar
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    Default cleaning the engine

    how safe is the engine to give a good wash down?

    i was thinking about de greasing as much as i can see and use a brush to agitate it then hose it down

    anyone done this?

    what all needs covered up?

  2. #2
    Regular Member DAVIDD88's Avatar
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    All electrics and have engine running when doing it

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    Regular Member Cyruskint's Avatar
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    Quote Originally Posted by Swedge View Post
    how safe is the engine to give a good wash down?

    i was thinking about de greasing as much as i can see and use a brush to agitate it then hose it down

    anyone done this?

    what all needs covered up?
    In my experience, it's the alternator that needs covering - most other electrics seem to be fine.
    I can't comment on the engine running as I generally clean with the engine off, but warm, then leave the engine bay open to dry-out for an appreciable length of time
    ........but if you have an old mini, Austin 1100-1300 etc, don't wash it.........a thimble of water & a toothbrush is the limit

  4. #4
    Regular Member Swedge's Avatar
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    i was thinking about putting a plastic bag over the alternator and the fuses etc on the right hand side maybe wrap some cling film around the loom

    warm the engine
    soak the engine
    de-grease it
    agitate it
    hose again
    repeat if needed
    dress plastics/hoses
    start the engine and get it up to temp

  5. #5
    On a Sabbatical
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    Year : 06

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    No worries here done mine cdti and petrol vecs before basically use some degreaser and a brush and wipe all the dirty bits etc then start up the car and I just pressure wash the bay not closely or direct on to electrics after that leave it running to dry and dress

  6. #6
    Regular Member m8internet's Avatar
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    Quote Originally Posted by Swedge View Post
    how safe is the engine to give a good wash down?
    If using a jet wash, keep the nozle at least 18 inches away
    As above, leave the engine running
    As you own a diesel there are no issues and once you have finished washing, you can switch the engine off

    The main issue surrounds petrol engines, especially older ones
    It is well known the distributor does not have a water seal, and so with the engine switched off can be difficult to restart
    The same issue can also affect newer petrol engines, but not the same degree

    You don't need to cover up any engine components, if the engine is running
    There is little benefit to covering the alternator, as this will have been designed for water ingress and with the engine running should be hot enough to quickly evaporate any water, and the internal movement will expel any water

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    Regular Member keith1983's Avatar
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    Vehicle : Vectra 1.8 SRi

    Trim : SRi

    Engine : Z18XE

    Year : 2004

    Default

    I'm not into detailing or anything but like to keep the Vec reasonably clean, I use babywipes round my engine bay and they do a good and quick job.

  8. #8
    Regular Member Swedge's Avatar
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    i have plenty engine dressing stuff just the actual engine itself not the plastics/hoses

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    Regular Member Das's Avatar
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    Vehicle : Lada

    Trim : Riva

    Engine : 6.0 V12

    Year : 1954

    Mileage : 567890987

    Default

    Dont soak the engine first, imo all you will do is lessen the effectiveness of the degreaser. And I always wash the engine down with the engine running.

  10. #10
    Regular Member Ben50n's Avatar
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    Use a garden sprayer with very hot water to rinse it down with. Or a parrafin gun attached to your compressor.

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