coolant

  1. T

    1996 C1500 with 5.7 Vortec Running Cold

    Hi I've got a 1996 c1500 with 5.7 Vortec and about a month ago the thermostat got stuck closed and it was overheating and then I replaced the thermostat with a stock 195° Thermostat and now my motor will warm up to the 195-200 then the thermostat will open then it stays at around 155° and no...
  2. Char

    K1500 Suburban Coolant Flushing

    I recently bought this 1999 Suburban with a 5.7L Vortek, I have been stalking the forum learning lots from you all. I am not too experienced with auto work, trying to learn I’m working on changing the fluids, first of all the coolant, which was low (reservoir empty), and lots of sludge in...
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