Question about 2011 Jeep Wrangler Sport

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How do I free up a stuck damper on a 2011 jeep wrangler with a v-6 engine

I've checked fluids and are at proper levels.I get cold air on the heater setting.

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Might be the engine thermostat is not opening.

Posted on Dec 03, 2014

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2009 jeep patriot 2.4 heater not blowing hot


Radiator coolant level may be low.

Dec 17, 2016 | 2009 Jeep Patriot

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2005 jeep liberty blows cold air through the heater.


Either you are low on coolant and there is air in your heater core, or the thermostat isn't working properly, or your water pump is going out.

Dec 13, 2014 | 2005 Jeep Liberty

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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

1998 jeep wrangler blows out cool air


you can answer the valve question your self. just look, at the 2 hoses
to the heater core. its there, or not.
the 1998 is here.
see cooling and HVAC sections, as i see , (no engine stated)
there is no valve in the engine bay.
page 7-2 , see that?
then see HVAC page.
if hot water flows thru the core. then the dampers are stuck (why takes tests)
car has 3 vacuum servos, they can be watched to see if each works
page 24-38 (chapter 24 hvac, end)

in an emergancy you can force any vacuum servo to do what you want with bailing wire or tie wraps.
force dampers to heat max. no recirc, and what ever direction you want. on cars with no hot water valve, (this car)
they have a heat damper, yours is stuck closed.
the H/C lever, moves this damper, open and closed.
make it so.

Jan 26, 2014 | 1998 Jeep Wrangler

1 Answer

1998 jeep cherokee heater blowing cold air


you lost heat to the heater core (see core valve at fire wall is the lever in the open direction?)
engine not really hot, 180F is hot, less is fail, new thermostat time.
the dampers in the heater casing might be stuck , bad control cable.
see hvac section in FSM from JEEP. or
here.
alldata.com
here is the logic flow (test for this failure)
1: engine really hot, i use a pyro IR gun,
2: i move the hot cold lever. it has a cable. said cable goes
to 1 of 2 places. the Damper, or to a water valve.
if a water valve, it's clogged, or the cable bad to it (see adjustment in FSM)
if damper,.does the damper lever move min to max, yes, good
no bad cable. (or the cable fell off, or the sheath is not clamped Right)
3: Clogged heater core inside, not doing the 2 year coolant flush and fill, this is going to happen. every time. zero maintenance......
BIG JOB.
3b: clogged, core outside from say pin needles falling in to cowl
and down in to HVAC fresh air port, and packing all that up.
just fixed one yesterday like that.
BIG JOB.




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3 Answers

Heater blows cold


To troubleshoot this types of problem,click the link below :----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the issue.------
Engine Overheats and heater blowing cold? http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html
---------Heat blows cold on drivers side and hot on passenger side? http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html
-----------
This will help.Thanks.

Feb 15, 2012 | 2003 Buick LeSabre

2 Answers

1997 jeep wrangler heater blowing cold airWhat's your problem?


Heater blowing cold air,indicates towards low or no coolant or the coolant flow is getting obstructed or the heater core is clogged or hot to cold moving flap/ door is stuck in cold mode. There are many possibilities, that needs to be checked. Click the link below for step by step details:--- http://technoanswers.blogspot.com/2011/10/heater-blows-only-cold-air.html ---------- This should help.Thanks.Helpmech.

Oct 20, 2011 | 1997 Jeep Wrangler

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My 2005 Jeep Liberty will not blow heat through heater ducts. Fan works fine but blows only cold air. Any idea what the problem is?


heater valve if you have 1 ,or temp control actuator which is under the dash and takes hours to replace!

Jan 30, 2010 | 2006 Jeep Liberty

1 Answer

'00 Jeep Wrangler with no heat and AC not blowing


Ok, if you are trying to use your AC and its not turning on, odds are your refrigerant levels are low, the system will not turn on when low fluid levels are present so the system doesnt burn up the compressor.

If your blower motor is not operating, you may have a fuse blown that needs to be replaced, or the control chip that plugs into the blower motor (for fan speed settings) has burned up (easy fix).

If your climate control is not throwing out heat when you change the settings to hot, you have a leaky vaccume line and the vaccume pressure is not strong enough to open or close (depending on setting) your blender box. Although typically when a vaccume line springs a leak you will have issues with your selector switch as well (defrost, vent, floor)

Also pay attention to your temp gauge to make sure the thermostat is operating properly, and the engine is not over heating ro getting excessivly hot! If it is, then you need to replace the thermostat ($8 part)
and go from there. Also you should check your heater core, if it gets clogged or has restricted coolant flow, your system wont have the heat it normally did (if any) when it worked properly.

This is just a quick summery of the area's you should be looking into for the problems you are having! thanks for using Fixya.com and good luck, I hope I have helped make resolving your problem alittle easier

Jan 08, 2010 | 2000 Jeep Wrangler

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