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#1
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heater control valve- diagnosis?
Can someone run my on how to check to see if it's on?
The metal pipe from the back of the head (in between the firewall over by the expansion valve is quite hot). A/C peformance isn't right and the system appears to be charged and running correctly. Michael |
#2
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It could be a defective valve or the signal form the control. The default for the valve is open, it needs voltage to close
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