cruise control in S40 cuts out

Discussion in 'Volvo S40' started by Ian Gross, Nov 29, 2004.

  1. Ian Gross

    Ian Gross Guest

    I have experienced a shut-down of the cruise control on my 2001 s40 after
    running for an hour or so at freezing temperatures or below. This has
    occurred on several occasions and can be corrected by shutting down the car
    and waiting five minutes or so. Start up again and the cruise works fine. I
    think this is due to freezing of a cable in a sheath, which then melts when
    the engine heat is not being reduced by wind chill at speed.

    Anyone had a similar there a fix?
    Ian Gross, Nov 29, 2004
  2. Ian Gross

    Mike F Guest

    I don't know for sure, but Volvo cruise control actuators are normally
    under the dash now, attached to the gas pedal. There is a vacuum pump
    under the hood somewhere with a hose that goes to that acuator, chances
    are there's some water in that hose freezing.

    Or if you have electronic throttle (no throttle cable), then there is no
    cruise control hardware, the fuel computer just controls the throttle
    actuator. If there's a problem with this system, then you should have
    some kind of warning light on your dash.

    Mike F.
    Thornhill (near Toronto), Ont.

    Replace tt with t (twice!) and remove parentheses to email me directly.
    (But I check the newsgroup more often than this email address.)
    Mike F, Nov 30, 2004
  3. Ian Gross

    Adrian Guest

    I would guess that this alsoaccounts for the s40 as weel for my 850,
    to the manual the crouse conrol switches off if it detects that the driven
    wheels are slipping.
    it has not been cold enought to try this to se if this is happens
    Adrian, Nov 30, 2004
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