coolant issues

  1. 1stofmanyjeeps

    Coolant consumption mystery, looking for more "aha!" instances

    Hello everyone, I have a 2001 Jeep Wrangler 4.0 w/ 108k miles that is consuming a lot of coolant. It doesn't appear to be entering the combustion chamber as the engine has great compression (165-170psi in all cylinders) and the spark plugs appear as expected, no white residue. It doesn't appear...
  2. Syotos8889

    Coolant loss again!

    I have a 2001 Jeep Wrangler Sport 4.0 5 speed manual. It’s my first Jeep I love it but in the last two months have been rough with it. I have had the head reworked at the machine shop head gasket replaced, water pump, upper and lower hoses, thermostat, thermostat housing, belt, idler pulley...