Question about 1998 Jeep Wrangler

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How to replace the heater blend door actuator on a 1998 jeep wrangler

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1998 Jeep wrangler

Remove the inner door panel and check to make sure that the linkage rod that goes between the outer handle and the latch is connected. It's possible that the plastic end clip broke.

Posted on Jul 10, 2009

  • 323 Answers

SOURCE: Blower only pushes air through defroster. 96 Jeep GC

There is a vacuum leak under the hood. On the 4.0 liter it is usually at the intake manifold near the brake booster. The 90 degree vacuum fitting pops off of the nipple of the intake. On the 5.2 liter the vacuum leak is usually near the battery where acid corrodes through the line as it passes near the battery box to the reservoir under the box.

Posted on Jul 17, 2009

  • 1 Answer

SOURCE: blend door actuator needs replacing does the

no it doesnt ... check out heatertreaters.net if you have to replace the blend doors .... but the actuator is directly behind the glove box...remove the glove box take out 3 screws and remove actuator and replace.....waa laa

Posted on Nov 25, 2009

  • 3600 Answers

SOURCE: how do I replace a heater core on a 1998 jeep wrangler

An addtion to the above Check to be sure the radiator level is full first.

Posted on Dec 01, 2009

  • 2 Answers

SOURCE: 95 Jeep Wrangler. Heater fan won't blow air.

qss

Posted on Jan 10, 2010

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Blend door on 2003 montr carlo


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Dec 26, 2015 | Chevrolet Monte Carlo Cars & Trucks

1 Answer

My heater blows only luke warm air. I have replaced the thermostat and flushed the systme


If both heater hoses are getting hot, it could be a blend door problem.

Dec 01, 2015 | 1998 Jeep Wrangler

1 Answer

I have a Jeep Liberty and the heater only blows like warm air. I have replaced the thermostat and flushed the heater core and still no change. What could be wrong?


Blend door may be sticking thus mixing too much cold air with the hot. Bad blend door actuator, vacuum leak or blend door seal is bad.

Feb 19, 2015 | Jeep Cars & Trucks

1 Answer

Heater stuck full hot


Hello! The Blend Door Actuator (motor) is defective...The temperature/blend-air door motor is used on all models, whether equipped with manual or automatic temperature control. This motor is located under the heater-A/C housing directly over the floor panel transmission tunnel, and can be removed from the passenger compartment without instrument panel or heater-A/C housing removal...See diagram below...

Guru...saailer


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Dec 06, 2011 | 1998 Jeep Grand Cherokee

2 Answers

I have a 2002 Jeep Liberty Limited, 3.7 L motor. The heater will not blow hot air. The A/C and fan work well. When I turn the temperature dial to hot, there is only cold air coming out. Can you assist me?


Jeeps are notorious for having broken temperature control (Blend Air) doors. A malfunctioning Blend Air Door actuator probably caused it to break. The dash will have to be removed to replacethe door and the door actuator.

Jan 16, 2011 | 2002 Jeep Liberty

1 Answer

Afternnon, just wondering about the best way to locate the blend doors in the hvac box without ripping out the dash on my 2000 jeep grand cherokee. Thanks in advance. Duane


y9ou can gain access to the driver side blend door actuator by removing the glove box. The actuator will be in the left corner of the glove box opening. If you remove the actuator you will be able to turn the pin. If you can turn it 360 degrees the blend door is broke.

If your lucky its only the drivers side. If you get the repair kit from chrysler it will come with instructions with pictures on how to replace the blend door without pulling the HVAC unit/Dash. If the passenger side is broken the HVAC unit will need to be removed.

Heater treater (google them) also have a metal blend door replacement and instructions online on how to replace them without pulling the HVAC housing.

Nov 28, 2010 | 1999 Jeep Grand Cherokee

2 Answers

How do I replace a heater core on a 1998 jeep wrangler


If there is a thermostat installed in the engine (195f) and the engine comes up to temp (about 210f) then the problem is likely either an internally blocked core or a bad blend door inside the box. I'd flush the core first by putting flush directly into the core with both hoses disconnected from engine ends.Likely you have a control valve on one of the heater hoses as well they can stick but for most, failure "default" position is to the heat side. Keep the hoses above the core and fill through one end till it comes out the other hose. Wait about a half hour then drain and flush with a garden hose in both directions. If blend door vacuum motor is malfunctioning or door is stuck inside box that is not fun to do. You will need a manual for instructions (haynes or chilton are OK for that) and you need to set aside an entire day for the project.Manual is good for many other projects and so is not a bad thing to have.(about $20)
good luck

Dec 01, 2009 | 1998 Jeep Wrangler

2 Answers

200 Jeep Laredo..Air is cold and fan is blowing,


there is a blend door actuator for the laredo and if is bad the air wont come out here is a pic of what it looks like and how to get to it


The single zone heater-A/C system is equipped with a single blend door actuator. The dual zone system has two blend door actuators, one for the driver side blend-air door and one for the passenger side blend-air door.
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  1. Disconnect and isolate the negative battery cable.
  2. Remove the glove box from the instrument panel.
  3. Remove the three screws that secure the blend door actuator to the passenger side of the HVAC air distribution housing .
  4. Remove the blend door actuator from the air distribution housing and disconnect the HVAC wire harness connector from the actuator.
  5. Remove the blend door actuator from the vehicle
to instal
  1. Position the blend door actuator into the vehicle.
  2. Install the blend door actuator onto the passenger side of the HVAC air distribution housing . If necessary, rotate the actuator slightly to align the splines on the actuator output shaft with those on the blend door cam .
  3. Install the screws that secure the blend door actuator to the passenger side of the air distribution housing . Tighten the screws to 17 inch lbs. (2 Nm).
  4. Connect the HVAC wire harness connector to the blend door actuator.
  5. Install the glove box into the instrument panel.
  6. Reconnect the negative battery cable.

Sep 09, 2009 | 1998 Cadillac Seville

1 Answer

Heater not blowing hot air


sounds like a blend door problem... find lever to blend door disconnect it move lever back and forth and see if it changes anything...

Jul 31, 2009 | 1998 Jeep Wrangler

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