Worm drive etiquette
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  1. #1
    Tadpole
    Join Date
    Jun 2004
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    Marrickville, Sydney
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    7

    Default Worm drive etiquette

    I remember there is some driving action that will be bad for the worm-drive diff. But I can't remember what it is. Is it coasting in neutral, coasting on clautch or engine-breaking?

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    Andrew Vickery - 404 with 2 x babyseats

  2. #2
    VIP Sponsor
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    Aug 2000
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    9,268

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    Quote Originally Posted by drevick
    I remember there is some driving action that will be bad for the worm-drive diff. But I can't remember what it is. Is it coasting in neutral, coasting on clautch or engine-breaking?
    Driving below 43 MPH in top gear (this speed stated in the 403 owners manual). This will cause uneven wear in the diff due to surging and the surging will then become much worse.
    Graham

  3. #3
    1000+ Posts Wildebeest's Avatar
    Join Date
    Oct 2004
    Location
    Perth Western Australia
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    2,694

    Default Worm drive etiquette

    Quote Originally Posted by drevick
    I remember there is some driving action that will be bad for the worm-drive diff. But I can't remember what it is. Is it coasting in neutral, coasting on clautch or engine-breaking?
    Drevick,
    DO NOT push or tow start a vehicle with worm drive.

    As an example of the strain put on the worm drive axle . Attempt moving your screen wiper arms. The wiper motor is worm drive.

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