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2004 Kia Sedona running hot. Thermostat almost to H level

I have a 2004 Kia Sedona. I have had the compressor replaced about 3 weeks ago. Now the thermostat is going to H (hot).

I had a checked by a mechanic who checked the radiator pressure??? and added more coolant. That was last week. It ran fine for a week but is now running hot again.

I drove it for about 30 minutes today and it was starting approaching hot.

Any ideas as to what I should do. Car has about 177,000 miles on it and other than this issue runs fine. Could it have something to do with the compressor replacement?

Today it is close to 100 degrees in Maryland.

Any help anyone can offer this clueless female would be great.

Tags
Air Compressors , Automotive
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4 Answers from these members:
Manage My Life
sounds like you have air in the cooling system. whenever the cooling system on a newer vehicle is drained it will then have air in the lines. if you had service where the mechanic drained the system you need to get that air out. the mechanic will fill it and recheck it while its at their shop but they may not notice the air at that time because the radiator will appear full. a mechanic does not nor want to spend an hour getting the air fully out. the best way to get the air out of a system after a service is to wait until the vehicle is cold, like in the morning before you drive it at all. take the radiator cap off and start the vehicle'' turn the heat on high'', this will bleed the air out of the heater hoses also. let it run and watch the fluid level. '' have a jug of 50/50 coolant standing by. as the level drops slowly pour coolant in, keep doing this and keep watching the level. you will begin to notice bubbles coming out of the fill opening'' that is good'' the system will work out the air and having the cap off gives the air some place to go. once the thermostat opens you will notice the fluid level drop'' the fan may kick on thats ok '' keep adding coolant slowly everytime it drops '' even an inch'' . continue to do this for a good half hour until you see almost no bubbles. ''note'' once the engine begins to warm do not pour in cold water because it will dramatically drop engine temperature and could cause engine damage. coolant or hot water is best. cycle this way until you see no bubbles coming out of the fill opening. replace the cap '' while running'' be careful not to burn yourself , and take it for a ride.
by Manage My Life
July 16th, 2012
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