Question about 2008 Kia Spectra5

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Cabin Heater Only heats in High RPMs

Heater pumps out cold air until the RPMs are higher than 2000. (No the A/C is not on) On cold mornings I'll go out and start my '05 Spectra5 and crank the heat up. I come back to it 1/2 hour later and its still cold air. I'll jump in drive away and as soon as the RMPs are up around 2000 or higher, bingo I got heat. BUT as soon as I stop at a red light and the RPMs are down cold air agian.... Whats going on?

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  • 359 Answers

Check the anti-freeze level in rad if *** is low in the rad it will cause this , in the raditor not the fill bottle as sometimes the fill bottle will be full ,***** be sure to do this with the engine cool and motor off

Posted on Dec 31, 2009

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Posted on Jan 02, 2017

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Heater pumps out cold air until the RPMs are higher than 2000. (No the A/C is not on) On cold mornings I'll go out and start my '05 Spectra5 and crank the heat up. I come back to it 1/2 hour later and its...


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