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transman, automotive instructor
Category: Car
Satisfied Customers: 4078
Experience:  28 years exp,complete autmotive diagnostics and repair
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cause the ac to start blowing heat occassionally..Restarting..switches

Resolved Question:

What would cause the AC to start blowing heat occassionally? Restarting the engine switches the AC back on.
Submitted: 7 years ago.
Category: Car
Expert:  transman replied 7 years ago.
if you have a cloged up system it will show only when acumulated by the ac compreser, and the ac compreser only works when vehicle is runing and ac switsh to on position,this means the system is cloged and it will shut ac down until presure drops down and it will go back on ,in some cases it wont go back on.
Customer: replied 7 years ago.
so i need to get my ac system flushed or what?
Expert:  transman replied 7 years ago.
well yes ,but also check for any restrictions like presure lines,fan operation compreser clutsh;just a complete check on ac system,would be a good ideal.
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