Question about 1999 Chevrolet Malibu

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My 1998 malibu runs hot when not moving, and now the heater wont work

When i am moving the temp stays in the middle, but if im at a red ligt/traffic it runs hot ben doing that for a couple weeks now. and 2 days ago the heater wont blow hot air.

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  • Leland Lawley
    Leland Lawley Feb 25, 2012

    Yes the fan dose come on, and it dose not cool down when the AC is on. After i checked the fan just now the heat started working, but half way to the store it stopped and cold air came back..

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  • Chevrolet Master
  • 76,846 Answers

Does the engines electric cooling fan turn on when it gets hot? Does it cool off if you turn the AC on?

Posted on Feb 24, 2012

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6ya6ya
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Posted on Jan 02, 2017

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davesmith_37
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SOURCE: 1998 chevy malibu fuse question

Sounds like you have a ground problem, i doubt its in the sending units as both gauges are acting strange work, seeing that electricity likes paths of least resistance one gauge could be grounding through another. Bad grounds wreak havoc on electrical systems.

Posted on Feb 27, 2009

dr_layinlow
  • 60 Answers

SOURCE: 2001 malibu-heater is blowing cold air

sounds like you have a bad temperature sensor in dash or the cable has eitehr broken or come off the heater switch under the dash!!

Posted on Dec 07, 2008

  • 14 Answers

SOURCE: 2005 MALIBU - HEATER BLOWS BUT NO HEAT

could be vaccum leak in the a/c panel where the flappers open and close to allow hot and cold air to blow

Posted on Jan 03, 2009

  • 116 Answers

SOURCE: what does the low traffic light mean in a 1998 chevy cavalier?

its low traction, not low traffic.

when the front wheels lose traction the light will illuminate

Posted on Apr 13, 2009

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