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Communities > Diagnostics > Europe Cars > volvo fan stays on
volvo fan stays on

2589 Views 6 Replies Latest reply: 2015-12-11 09:22:10


  •   Level 1   
    (8) points
    akindsoul
    2015-11-16 09:47:45
    Volvo v70 2008, radiator fan stays on fast speed when engine running, fan unit replaced, no fault codes. Any ideas?

  •   Level 5   
    (293) points
    46motors61

    2015-11-16 10:29:12 (Reply to:akindsoul)

     did you do a global scan?

  •   Level 5   
    (293) points
    billymck

    2015-11-16 18:36:38 (Reply to:akindsoul)

     when the fans stay running on a volvo....its usually a sign that the ac system is low on freon/or a fault in the ac system.

    check it out and see what you find...post your findings

     

    bill


  •   Level 1   
    (8) points
    akindsoul
    2015-12-09 09:11:55 (Reply to:billymck)
    Hi bill, tested ac - ok. Test temp sensor and fan control module - ok. Sent engine ecu
    for test - no fault. Checked continuity of signal wire from ecu to control module- good.
    Surmised that after all tests that the fault must be in the engine ecu that didn't show up
    on bench test. Replaced ecu and carried out updates - now fan working correctly.

  •   Level 9   
    (5837) points
    Ashraf

    2015-12-10 10:05:41 (Reply to:akindsoul)

     So, basically if you would have done a software updates on your original ECU Unit I am sure your problem would have been fixed...................!!!

  •   Level 4   
    (111) points
    brad

    2015-12-11 01:31:56 (Reply to:Ashraf)

      You're quick to jump to a conclusion and say that he misdiagnosed the problem, you were not there and have no clue. Please keep your "I know more than you" attitude to yourself.

  •   Level 9   
    (5837) points
    Ashraf

    2015-12-11 09:22:10 (Reply to:brad)

       Firstly this post is not yours so, I will NOT talk more at the same time I don't waste my time with a sick person like YOU............!!!!

    Post is CLOSED From My Side...............!!!!!!!

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