Question about 1989 GMC Suburban

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2005 chevy suburban LT heat in the front is very very weak heat in the back is great????????????

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Try flushing the radiator. I had the same problem on my 2001 chevy tahoe.

Posted on Feb 21, 2009

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Heater core possibly plugged,,or fan unit not working.

Posted on Jan 19, 2009

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I have a 2003 chevy tahoe Lt the air works in front and with back controls but heat is only working in the front it blows with back controls but puts out no heat what causes this?


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