Thread: rebuilt monovalve, still not heat at hiway speed....
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  #17  
Old 09-30-2017, 06:28 AM
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optimusprime optimusprime is offline
Trevor Hadlington
  
Join Date: May 2014
Location: Worcestershire in England
Posts: 1,454
Have you a auxhiliary water pump . If so this circulates the heater coolant .
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