94 960: Cold mornings coolant warning light.....

Discussion in 'Volvo 960' started by ropeyarn, Nov 17, 2004.

  1. ropeyarn

    ropeyarn Guest

    With recent near and below freezing morning temps, my 94 960 has been
    burning its coolant level light on start up through warm up. Once
    warm..and once the car is restarted...the light goes away.

    Coolant level is fine. I'm suspecting a send unit that doesn't like the
    cold or a sticky thermostat. Other ideas appreciated..

    Thanks
     
    ropeyarn, Nov 17, 2004
    #1
  2. ropeyarn

    Rob Guenther Guest

    Sensor might not like being cold (electrical stuff gets like that
    sometimes)... If its the sensor i'm thinking of, its just a little level
    sensor in the resevoir, looks cheap and easy to replace. If your coolant
    level is okay, and your temp light isn't coming on you're probably okay...
    On our 960 the temp gauge will hit 1/2 way up and stay there within about a
    minute, maybe two in the cold... If the needle sways under heavy/light
    engine load or takes a long time to get up, then i'd say there's a problem -
    when ours acted like this, it was the thermostat.
     
    Rob Guenther, Nov 17, 2004
    #2
  3. ropeyarn

    bigjon Guest

    decided to add:
    Check the Anti-Freeze or coolant in the reservoir for the Anti-freeze
    properties - if you ever topped up with plain water, the "coolant" in the
    reservoir may be actually freezing over, causing the sensor problems...
     
    bigjon, Nov 18, 2004
    #3
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