Question about 1996 Mercury Grand Marquis
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Posted on Jan 02, 2017
SOURCE: 89 sable heating problems
Most likely the thermostat needs to be changed.
If you do replace it make sure that you get the seal as well. It will cost you about $25 to do it your self.
Hope all goes well:)
Posted on Sep 04, 2008
SOURCE: cold air out of heater
check the both heater hose from the heater core to the block. In one of the hoses you may find a valve either vacuum or electric. Try to check for air bubble. You could check this by taking loose the top radiator hose.
Posted on Nov 30, 2008
it sound like one of the flap in the duck work is not working. check your heat contrell unit in the dash
Posted on Mar 22, 2009
Air conditioner will not work if low on r-134a coolant. System has to have pressure. You can charge it yourself by buy a air conditioner refill kit at any auto parts store. If you don't know how to do it sometimes they will do if for you if you ask.
Posted on Mar 26, 2009
heater core is going bad my dodge ram truck did the same thing for about three months then steam startedcoming out of the vents it was antifreeze i have not fixed it yet i just bypassed it for now cause its hot and i have to take the dash completly out to get to it, and yes my airconditioner was blowing out hot now immediatly after i bypassed it blows cold again.you have to find where it goes into the motor on both sides so follow the hoses from firewall then buy a 3ft hose to go from one side of motor to the other problem fixed! well that is you wont have a heater until you change the heater core
Posted on Jul 07, 2009
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