Thermostat replacement

Tiny
CHRISTY MILLER
  • MEMBER
  • 2003 KIA OPTIMA
  • AUTOMATIC
  • 200,000 MILES
I have a 2003 Kia Optima LX and I'm trying to find out how to change the thermostat on it.
Friday, June 23rd, 2017 AT 10:12 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,967 POSTS
Hello,

You must start by draining the coolant. Here is a guide, video and diagram (below) to show you how to get the job done.

https://www.2carpros.com/articles/replace-thermostat

and

https://youtu.be/skrwyPSkdTA

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed. Cheers, Ken
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Monday, June 26th, 2017 AT 11:34 AM

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