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  1. 3rd Generation Optima (2011 - 2015)
    I have a 2015 Optima. I am trying my hand at flushing my cooling system and my first attempt is not going as expected. So my coolant system has a capacity of 6.8 L, and I can barely get 3 in before it tops off. I've tried burping the upper radiator hose, putting it on an incline, and even...
  2. The Service Center
    2013 Kia Optime EX 2.4L non-hybrid 114k miles from Ohio So I tried to replace my thermostat and it’s leaking from the thermostat housing cover (#22 on picture) at the bottom of it. I tried two new thermostat/gaskets and even the old one, still leaking. I was replacing this preventatively since...
  3. The Service Center
    Just got in my car and turned the AC off... Then for a matter of about 2 minutes it would intermittently flash on top that the thermostat was off. Something I should take into the dealer maybe? Anyone else experienced this?
1-3 of 3 Results