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Discussion Starter · #1 ·
My truck has done this since I got it. When the heater is on, you can hear something in the engine making a light clicking noise, has anyone else experienced this? It doesnt effect anything, its just annoying. It does not make a difference if I am driving or in park. My friend with a 2001 has the same issue. thanks

Mike
 

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Is this when you have the defroster on? If so it is just your a/c clutch engaging and disengaging.
 

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I wondered for a year and a half what kind of emission pump crap must be on Dodge trucks that sounds exactly like an A/C pump (this is my first Dodge)... I found out a month or so ago that indeed it WAS my A/C...

Since I run almost always with defrost turned on (Washington gotta love it), does anyone know if this set up will cause premature A/C pump failure?
 
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