1990 Toyota Corolla Logo
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pedro vista Posted on Oct 27, 2013
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No heat coming out on windshield defroster - 1990 Toyota Corolla

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Dar

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  • Toyota Master 2,007 Answers
  • Posted on Nov 03, 2013
Dar
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Joined: Feb 18, 2009
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First thing to do is check your coolant level. If its low the first thing to starve is the heater core. Then feel your heater hoses when its warmed up. They should both be warm. If only one is warm its the heat control valve that isn't working. If they are both cold you may need a water pump. Hard to tell from here.

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