Question about 1999 Ford Expedition

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When i turn on ac i get nothing but hot air in the front but the rear vents give out cold air

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Hey! The ol' Exped. Ok these things have two ac systems. One for the rear and the front. You will need an ac preformance test ont eh front to be more diagnostic.

Posted on Sep 06, 2010

5 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 6 Answers

SOURCE: the ac in my 97 chevy sub blows cold air in the

low on charge, or orfice clogged.

Posted on Jun 27, 2009

BCAS1298
  • 3092 Answers

SOURCE: my ac blows hot air from the front vents

Expansion valve or orfice tube clog.to front unit.

Posted on Jul 15, 2010

bluebirdmate
  • 1190 Answers

SOURCE: front ac vents blow cold

On the right lower side of the center consuel after you take the cover off tou will see an actuator mounted to the ducting. this is a dual acting unit. They come with plastic gears and also a weak coupling that drives the doors in the ducting. One of the two is stripped and to repair the unit will need to be replaced. After replacement all door actuators need to be programmed. It takes a scan tool to do this. I don't believe any aftermarket scan tool can do that. A GM Tech 2 will do it. Thanks

Posted on Sep 03, 2010

  • 9 Answers

SOURCE: 2001 gmc yukon.hot air coming out the rear vents

try cheking the heater hoses located on the fire wall there are two of them if they are hard then they need to be replaced if they are soft then they are good. also chek the heater core

Posted on Mar 14, 2011

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My Air Condition is only blowing hot air in the front, but cold in the rear. Could anyone give me a start in correcting this problem? Thanks


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