Question about Ford Explorer Sport

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Blower working no heat hoses hot relaced heater switch can not here it move any dampers no change . any one have pic of damper assy 2001 sport

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  • 56 Answers

If you're not the original owner of the vehicle, check your thermostat first (may be missing) or it may be defective. Good day.

Posted on Sep 11, 2009

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4 Answers

My 2002 Jeep Liberty 3.7 don't throw me heat only cold air


There is something called a blend door in the heater box. This door is what moves to change from cold air to warm air. The part is 86 dollars online. http://www.factorychryslerparts.com/products/JEEP/LIBERTY/ACTUATOR-Blend-Door-AC-and-Heater/4341513/05066519AA.html

Jan 13, 2016 | Jeep Cars & Trucks

1 Answer

Heater core hot but not in cabin


the damper at the core must be open,
so the rules are" (heat exchangers) 101
1: hot engine, yes.
2: hot core, yes. (water must flow and both tubes hot to core)
3: air flow through core, not. (fix cause, if blower is running on high
then the damper is closed.
do you need a drawing? the FSM covers that , all cars, factory service manual even shows every step, in diagnosis.
1990 is a toyota corolla. so books on that car , match too.. hint?

they make 2 kinds if 1990
one with cable damper (temp)
and with water valve. got valve>y/n, no then its damper
this is a cable car, so the cable must move the valve or the damper
open fully to get hot air

valve below. (1990 corolla book)

using 2 persons, make sure the valve works
and is not clogged inside. it.

25444768-ojy4jbcchjvgbf2ww1qvc1nl-4-0.jpg

Feb 18, 2015 | 1990 Geo Prizm

1 Answer

2011 jeep liberty heater blows cold air


gas not diesel right?
what engine? option? size?
there are only 3 causes (and many parts to fail)
  1. engine coolant not hot at 180F or more.
  2. said coolant not flowing Through heater core (feel the 2 hoses?)
  3. air not flowing over heater coil. , damper stuck closed?

once the above is found.we can diagnose why?

the FSM covers all this , in the HVAC chapter.
say engine is hot, and core is hot.
you check the damper and its stuck closed.
?
1: controls not telling damper to move. (falling)
2: damper motor bad. (called the HVAC acuator by jeep)

on this new of car, we must scan it, the scan tool that supports
jeeps will set HVAC errors aplenty.
my innova 3160 can do that.

my FSM dont do that new a car.

or
engine not hot
heater core not hot
or damper door stuck closed on core, blocking heat.

Mar 21, 2014 | 2011 Jeep Liberty

1 Answer

No heat blower moter blowing cold air,temp on max 91, fluid is full fuses are fine car temp running good in the middle motor fan work on and off like its supossed to . i just cant figure it out and BMW...


ok the heater cor needs to bet hot, if not , no heat.
you can put hand on both tubes, of the core of any car.
do so, are the they both hot.
no, (the heater valve is closed or packed up, (no service? every 2 years)
yes then the heater, controls are bad, (bad controller or the damper flaps , motors (or cables, vacuum) controls are malfing.
lets do the flow (no pun)
1: hot engine, 180F holding or more.
2: fan blows
3: hot water flowing through the heater core....
4: dampers in the right position.
just 4 checks, find the one that fails in this order and the job
is less work, and to the real cause.

id didnt go to alldata.com to look at what type of controls you have.
we can, (so can you) if test 3 passes.
some cars have core valve , find yours and make sure it flows.
other cars there is no valve. and only the dampers block heat.







Nov 30, 2013 | 2001 BMW 325i

1 Answer

Heater in 2005 Pontiac Grand Prix GT only blow cool air. Changed thermostat.


Although this could be a number of things, it sounds like the damper (control switch) is faulty. When you adjust the temperature in the cabin of the vehicle to be either hot/cold it should move the damper to change the temperature. This is done by vacuum in most cases. I would recommend that you start with the simplest of things and check the fuse panel making sure that the fuse for the Heat/AC system is good and making contact. If that is not the issue it could be as simple as a bad vacuum hose, a faulty damper, or a faulty temperature control switch. Speaking from experience with GM products, it is probably the damper control. I hope that you have found this information to be useful, and if I can be of any further assistance, please let me know. Thank you for using fixya!

Oct 23, 2013 | 2005 Pontiac Grand Prix

1 Answer

1992 Cadillac Deville blowing air but not heating?


There is a damper (basically a door) in the heater unit that is probably not being actuated. This damper allows the air from the blower to be sent over the hot heater core and thus warming the car interior. This damper might be either vacuum controlled or electrically controlled. My 1992 Blazer had vacuum lines that went to it. It could be that you have the vacuum lines loose under the dash. Look for loose hoses or connectors and see if you see an obvious place they might plug into.

Dec 16, 2011 | 1992 Cadillac DeVille

3 Answers

No heat when switching between cold and hot.Both hoses hot in engine compartment.Changed the temp control switch.


Possible problem with the vacuum actuated damper control system. Bad vacuum line or damaged vacuum actuator could cause this problem. Next, check to see that the heater core is not clogged. Do this by disconnecting the heater hoses and using a garden hose to force clean water through the heater core. You can generally just hold the garden hose to the point where the heater hose was connected and then watch to see if you get good flow and clean water out of the opposite connection. Usually you'll find that sediment build-up in the heater core is limiting flow, thereby reducing the amount of heat you get in the passenger compartment.

Jan 25, 2010 | 2004 Ford Explorer Sport Trac

1 Answer

2001 eclipse no heat flushed heater core with air and water also replaced radiator and thermostat


Stick your head under the driver side dash and look on the side of the blower motor check to see if the wire to the damper is moving through the small plastic conduit. over time the wires lose their rigidity and instead of moving the damper it will bend. Let me know if these look normal

Jan 19, 2010 | 2001 Mitsubishi Eclipse

4 Answers

Climate controls


Car manufacturers use the defrost mode as a default for safety reasons. Being they want you to be able to defrost the windshield no matter what. So when something goes wrong the system automatically goes to the defrost mode. You most likely don't have the vacuum hose connected under the dash at the climate control assy. Or if this vehicle doesn't use the vacuum hose style you may have not plugged in one of the connectors under the dash or behind the climate control assy. Good luck.

May 21, 2009 | 1997 Lincoln Continental

1 Answer

2000 S-10 no heat from the heater


there is a cable linking the controls on your dash with the damper under your dash on the passeanger side, u may be able to trace it visually to the damper to check its operation, when u found the lever it connects to, try to operate it from there and recheck. The temp. of the air coming out of your vent is influenced by your coolant temp, so check that you are getting to proper coolant temp. and verify that the heater hoses going into the firewall in the engine compartment are both hot when u have the heat on, engine running to check for proper circulation through your heater core.

Jan 09, 2009 | 2001 Chevrolet S-10

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