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What is a blend door on my jeep cherakee sport

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  • Cars & Trucks Master
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A blend door is a flap within the heating system that allows the opening or closing of the air channel! To allow heat or cold air!

Posted on Nov 15, 2014

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  • Contributor
  • 6 Answers

This is a small door to control the hot air coming from the heather core to inside room on every vehicle including yours if this part is broken you could get no hot air from your heather or if this part is stuck open you get hot air all the time even with the heather off

Posted on Nov 15, 2014

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: How to change heater blend doors on 2003 Jeep Grand Cherokee

go to wjjeeps.com there is several pictures and step by step instructions.

Posted on Dec 29, 2008

Mike258
  • 1498 Answers

SOURCE: Replacing fan belt

Hi Don,

It's easy and you won't need a prybar.

  • Get a 14mm or 9/16" socket and a long handled ratchet or breaker bar.
  • For putting the belt on: Get the belt around all the pulleys except the A/C compressor or Alternator.
  • The tensioner pulley is on a spring loaded arm. Get your socket on the center nut of this pulley.
  • Slowly pull the ratchet toward the center of the engine. The pulley will pivot on the arm allowing you to get the belt on the final pulley.
  • Slowly release the tension.
  • You're done

Hope this helps you out.
Mike

Posted on Jan 15, 2009

  • 74 Answers

SOURCE: 1997 jeep grand air blend door location

The Jeep Grand Cherokee sucks air from the outside via a hole on the passenger side of the cowl. It's under the black plastic piece that runs under the wipers.

The air is then sucked via the blower and blown into the housing where the heater core and A/C evaporator core live.

The blend door is inside this housing as well.

This also depends on if you have regular climate control or the more advanced ATC digital climate control found on some of the Limiteds.

You could possibly take out your glovebox and see if there are any broken pieces going to the door accuator.

Otherwise if it's internal, you'll need to take out the heater/ A/C housing.

To get to this housing, you have to take apart your entire dash, lift the top dash cover off, and then you'll see the housing. You could possibly check for a few thing there.

Most everything there is vacuum controlled.

You have to drain your antifreeze and have your A/C freon discharged (use a professional to capture the freon).

There are 5-6 nuts holding the housing to the firewall. You have to reach these from the engine compartment.

Disconnect your A/C lines and heater hoses. Pull out housing.

This is definately an advanced project, thus the reason for the high pricing.

Hopefully you can get it fixed without having to take this Jeep apart entirely. Try diagnosing with a vacuum gauge if necessary before tearing it apart.

Posted on Feb 10, 2009

wracefans24
  • 1985 Answers

SOURCE: 2004 Jeep Grand Cherokee blend door replacement

its not the door its self that doesn't work,it is opened by a vacume valve and closed with a vacume valve,and it is not an easy job even for a mechanic

Posted on Dec 25, 2009

emissionwiz
  • 75797 Answers

SOURCE: 2005 jeep liberty sport manual

The blend door actuator will not be the problem, the blend door will be stuck or broken, common problem.

Posted on Jul 27, 2012

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1 Answer

How do I fix a blend door clicking noise. happens every time I open the door


topic HVAC?
Hvac " blend door, "
that part is bad, stuck or parts fell off. or broke inside.
or the door is jammed some way, cause overload of this servo.

to discover facts like this, one has to look.
(vacuum sys. cable or motor drive, some cars all 3 or 2 of 3)
newer cars use motor drive only...
did you look at it first? (if a motor drive looking is useless)
many new cars this is a blend door motor.
with cheap plastic gears inside. (a black box with wires)
some need to be recalibrate , simple steps in the FSM.

FSM IS, oem factory service manual.....
read that. and its all there, every step....

did you scan it first. to see if there are DTC errors for HVAC?
https://www.techauthority.com/en-US/Pages/Home.aspx

Jun 08, 2015 | 2011 Jeep Wrangler Unlimited Sport

1 Answer

I have a 1999 Jeep Cherokee Sport and when I Turn on the AC it only blows from the defroster and not out of the vent. Please help.


Usually a sign of a faulty blend door under the dash. The blend door could be stuck, or the vac or electric motor could have failed.

Jul 15, 2013 | Cars & Trucks

1 Answer

2005 jeep liberty sport manual


The blend door actuator will not be the problem, the blend door will be stuck or broken, common problem.

Jul 27, 2012 | Jeep Liberty Cars & Trucks

1 Answer

Were is the blend door located on the 2004 jeep grand cherokee overland


blend doors are located in the heater box behind the dashboard.. if you are having heating problems because of faulty blend doors, try heatertreater.com they have a permently quick fix solution that really does work. i have fitted quite a few with no problems, even better heat than standard jeep blend doors..
hope this helps

Dec 24, 2009 | 2004 Jeep Grand Cherokee

1 Answer

1997 jeep grand cherakee front driver window will not roll up straight


I suggest review the electrical motor in Power Windows or adjust the system inside door, Body Components.

Hope helped with this (remember rated this help) Good luck.

Nov 05, 2009 | Jeep Grand Cherokee Cars & Trucks

1 Answer

98 XJ cherokee sport 4.0 a/c blows hot air not warm, hot like the heater will not disengage. ac is charged lines and canister are cold. all positions on selector blows heater.


check that the heater control valve on the heater hoses is working, also check that blend door inside heater box and blend door vacuum motor are working. Likely the problem is with the door or motor, but unfortunately, the entire heater box needs to be removed to get to them on most vehicles.

Jul 11, 2009 | 1998 Jeep Cherokee

2 Answers

2001 jeep grand cherokee


THOSE VEHICLE HAVE SEPARATE BLEND DOORS THAT CONTROLS HOW MUCH HEAT/COLD YOU WANT. BLEND DOORS ARE FLIMSY AND TEND TO BRAKE AFTER A WHILE. THE ONLY WAY TO FIX IS BY REPLACEING THE BEND DOOR (S).EXPENSIVE REPAIR. WHOLE DASH HAS TO COME OUT. PART IS CHEAP BUT A LOT OF LABOR

Dec 30, 2008 | 2001 Jeep Grand Cherokee

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