temp. guage fluxuating

Discussion in 'GM Powertrain' started by tcook18, Jan 13, 2010.

  1. tcook18

    tcook18 New Member

    i noticed this morning while is was sitting in the drive way after driving for about 5 minutes that my temp guage was sitting at about 230 245 abd that my heat was now blowing cold. as i drove home i kept fluxuating from going really low and then close to 250. it was also 25 degrees outside dont know if would be caused by fluids being to cold or what. could use some insite its been awhile since ive worked on a small block
  2. Jimmiee

    Jimmiee Epic Member 5+ Years 1000 Posts

    Quick reply. You coolant level is low and you have air in your cooling system :)
  3. tcook18

    tcook18 New Member

    thanks for the help man

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