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  1. W

    Coolant temperatures while towing

    Why do you recommend the195 degree thermostat over the 180 degree one? whataTRUUUCK said: properly bleeding air out of the system, I believe the sending unit for the gauge is fairly accurate because I comparted the reading by using an infrared thermometer on the thermostat housing...
  2. W

    Coolant temperatures while towing

    Thanks for your nuggets of knowledge! I definitely think the clutch fan will make a difference but want to avoid that if possible cause the dual electric fan coversion probably ran the previous owner $300-$400. You dont think a suburban 1500 with the 5.7L will have the same matching fan shroud...
  3. W

    Coolant temperatures while towing

    Im sure the radiator and condenser are a bit dirty cause the truck has been used offroading for many years. However the radiator was recently replaced a couple years ago so thats a bit comforting to know that the fins only have a 1-2 years worth of debris vs 30 years of debris. I need to...
  4. W

    Coolant temperatures while towing

    I recently bought this 95 suburban 2500 7.4L and Ive done everything possible to try and get it running cooler such as flushing and backflushing all the cooling system inlet/outlet tubes, installing a lower temp 180 degree thermostat (and testing it before installation), making sure none of the...
  5. W

    Coolant temperatures while towing

    You guys won't believe this but the owner manual actually states that its normal for the temperature to fluctuate between 210 and 260 while towing heavy loads....I don't know how much to believe that infor but am now wondering has anyone blown a head gasket from running it between those temps?
  6. W

    Heater temperature?

    I would definitely change the cabin air filter and if yours doesn't have one then you need to take out the blower motor to clean all the dirt and debri clogging up the fins on the evaporator coil. Theres lots of youtube videos on this procedure and a clogged evaporator coil will not only...
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