TwinTurbo.NET: Nissan 300ZX forum - System is all electronic. Might be the coolant valve
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Subject System is all electronic. Might be the coolant valve
     
Posted by jzack on July 11, 2011 at 9:27 PM
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In Reply To Help No Heat! posted by RayN on July 09, 2011 at 08:31 PM
     
Message that opens to level antifreeze into the heater core. There's a diagnostic mode to force that valve open - see the FSM. However, if the motor that controls the valve it isn't working that would be problem.

Also is the coolant temp sensor and connector all OK up in the engine bay?

     
Follow Ups
  • Help No Heat! - RayN 20:31:17 07/09/11
    • System is all electronic. Might be the coolant valve - jzack 21:27:08 07/11/11
 
     
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