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John Roberts

John ... 4/9/2010

2000 GMC Sierra 1500 SLT 8 Cyl 5.3L

Engine

I hear a purging sound when heater is turned on. Intermitent

2 Answers


Bobby

Bobby 4/9/2010

Not sure what you mean by a purging sound. Do you mean a gurgling or bubbling sound? And where are you hearing it come from? Passenger side dash possibly?

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John Roberts

John Roberts 4/10/2010

sounds like a soinoid or valve opening and closing when the heater is turned on and will come on and off while heater is in use
Sound comes from up front engine compartment passenger side.

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