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2001 Volkswagen Jetta

Question: no heat

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tokyo63, 2.0L 4 Cylinder, Matteson, IL, February 26, 2010, 13:56

 Rookie

on my jetta i have a cold lower radiator hose. i changed the tremostat and still no heat!!!!!!

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• Answer #1

  some guy February 27, 2010, 05:50
  

   Journeyman

  are your heater core hoses hot? the lower hose is where cooled coolant reenters the engine. it should not be cold but will not be as hot as any other cooling system component. if there is no circulation (hose, radiator and heater core cool) then you may have a bad coolant pump. i've seen the impellers come loose or fall off.
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