Conked out going down a hill in L3 - 2001 V70 Auto

Discussion in 'Volvo V70' started by Dransfield, Aug 1, 2006.

  1. Dransfield

    Dransfield Guest

    My V70 has behaved well up to now, but at the weekend I was going down a
    very long hill (3 minutesish) and so put the car in Low3 to take some strain
    off the brakes.

    However when I got to the bottom of the hill and came to a stop at a
    junction I found that the engine had stalled and there was a hot smell
    coming from the car. I put it in park and it restarted, although had a lumpy
    idle and took another attempt and some right foot to keep it going. Its been
    fine since, and the smell went away.

    Any ideas what happened, and if I did any damage?

    Background info: Sometimes at traffic lights the engine stumbles but the
    computer keeps it running. Also, sometimes when pulling up to lights I've
    felt it 'push on' a bit and change down a gear, instead of coasting, but I
    don't know if all automatics do this.

    I was wondering if perhaps the computer didn't bother to keep it from
    stalling in L3, so the engine stopped when the car stopped. Or perhaps it
    stopped idling half way down the hill and the smell was a hot clutch where
    it had been trying to turn a stalled engine. I noticed in the users manual
    that you shouldn't bump start the car as this will damage the catalytic
    converter - no idea why - but perhaps this was what the smell was.

    TIA
    Dransfield
     
    Dransfield, Aug 1, 2006
    #1
  2. The smell is the hot transmission fluid. It gets hot when the
    transmission is working either accelerating or decelerating. I live on
    a 500' hill and after I climb the hill to my home, the transmission
    always smelled hot in all my Volvos. I doubt if it hurt anything.
    This is a different problem which is under warranty. I had the same
    problem and the 155 Service fixed it for me. There is a "service
    campaign" for the electronic throttle system (ETS) and electronic
    throttle module (ETM) where they actually put in a new program that
    ignores errors by the ETM. If they need to replace the ETM, it covers
    that. It is not techically a recall, but "VSC 155 service campaign".

    Here is what the campaign covers:

    "Electronic Throttle Module (ETM) failure may illuminate Electronic
    Throttle System (ETS) light or MIL. Symptoms may include, uneven engine
    idle, and/or "limp home mode" that could restrict vehicle speed to 10-30
    miles per hour. Faults of the ETM are stored as DTCs in the ECM. If OBD
    II detects a fault that might increase emissions, the MIL is
    illuminated. Remedy: A software upgrade will be performed at the next
    service interval, and ETM warranty extended to 10 years or 200,000
    miles, whichever comes first."

    It basically covers S70, V70, V70 XC, C70, S80, and S60 from 1999 to
    2002.

    For more information check page 2 of:

    http://www.epa.gov/otaq/cert/recall/2006recallreport4.pdf
     
    Stephen Henning, Aug 1, 2006
    #2
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