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FED 387 · 08-19-2014, 08:58 PM

that makes sense kinda what I was thinking---No problem with heat or cold when the temp is adjusted it gets hot & cold--I never paid any attention to the pump before does it kinda vibrate a little while running ? or what--It definitely IS running just not sure if its making vacuum---any way to test it and how much vacuum is normal?? thanx for the reply

08-19-2014, 08:58 PM	#3
FED 387 VIP Member Join Date: Jun 2006 Posts: 3,421 Likes: 529 Liked 333 Times in 180 Posts	Re: 2000 Ford F250 Diesel air cond problems that makes sense kinda what I was thinking---No problem with heat or cold when the temp is adjusted it gets hot & cold--I never paid any attention to the pump before does it kinda vibrate a little while running ? or what--It definitely IS running just not sure if its making vacuum---any way to test it and how much vacuum is normal?? thanx for the reply