thermostat

  1. C

    2000 Yukon Radiator thermostat

    My 2000 Yukon is spitting out water but not all the time. I checked the reservoir and when I looked the water seems to be pushing out through the cap of the reservoir. Has anyone had this problem? What could it be? We thought there was air in the radiator so ran in for 5 mins the cap off and no...
  2. iboughtatahoe23

    Did I fry my ambient air temp thermometer?

    I recently posted about leaving sunroof open, now my only issue is my thermostat is reading 53°F when it’s actually 64°F and it doesn’t seem to change. I read that these read temperature of the ground under the car. So maybe the pavement is just colder than the ambient air temp? Or is it broken :/
  3. qthor

    Replacing Radiator, Water Pump, Thermostat, Fan Clutch

    So I have a 04 Yukon Denali and the radiator has been leaking for a while along with the water pump. Ive owned the truck since Oct 2015 and this is my second time replacing the water pump and my first time replacing the radiator. Intinitally I knew the radiator was leaking but after I while I...
    • qthor
    • Thread
    • aluminum coldcase denali gmc lq4 radiator thermostat water pump yukon
    • Replies: 12
    • Forum: Engine & Drivetrain
  4. ZGHOE05

    Cooling system woes

    250,000 mile 05 z71 with an overheating problem. Started as a leaky fitting to the heater core so I dumped in the fix leak because I was lazy problem solved, so I thought a year went by no problems . Fast forward to a month a go and truck is getting warm in traffic (less than 15 mph)but never...

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