What causes dual zone AC on Jeep Grand Cherokee?

Jeep Grand Cherokees with dual climate control (for the AC / Heater system) that have incorrect air temperature blowing on either the passenger or driver’s side is usually one of two things. One of the blend door actuators (motors), or the the dual zone blend door assembly could have a broken door.

Where are the actuators on a Jeep Grand Cherokee?

One of the blend door actuators (motors), or the the dual zone blend door assembly could have a broken door. The actuator that controls the drivers side is directly behind the glove box.

What kind of controls does a jeep heater use?

The manual temperature control HVAC system uses a combination of electrical, and vacuum controls. The Automatic Zone Control HVAC system uses only electrical controls. These controls provide the vehicle operator with a number of setting options to help control the climate and comfort within the vehicle.

Where to buy a 2002 Jeep Grand Cherokee engine?

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One of the blend door actuators (motors), or the the dual zone blend door assembly could have a broken door. The actuator that controls the drivers side is directly behind the glove box.

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What should the suction line be on a Jeep Grand Cherokee?

The suction line should be cold and the discharge line should be hot, infrared thermometers are great for checking the temperatures without getting burned. Jeep Grand Cherokees with dual climate control (for the AC / Heater system) that have incorrect air temperature blowing on either the passenger or driver’s side is usually one of two things.

Is there a dual zone heater treater for Jeep Grand Cherokee Limited?

Heater Treater’s Dual Zone Blend Door fix is for Grand Cherokee Limited’s with dual zone temperature controls. You can read the fail codes on the system by following this procedure:

Is there a heater on my 1999 Jeep Grand Cherokee?

1999 Grand Cherokee that had no heat on the passenger side. The man we bought it from mentioned it was a $150 fix. He told us about your product and we searched you out on the net. It works great! * Chrysler Group LLC has neither licensed nor endorsed JGCParts to sell goods and services for Jeep® vehicles.

How to turn on heat in Jeep Grand Cherokee?

Check for a broken limit pin on the axle and check that you can turn it ~50 degrees of movement between the two stop points. Start the GC and turn on the AC. You should be able to manually switch between heat and AC by turning the axle with your fingers.

Heater Treater’s Dual Zone Blend Door fix is for Grand Cherokee Limited’s with dual zone temperature controls. You can read the fail codes on the system by following this procedure:

Is there single zone control on a 1999 Jeep Grand Cherokee?

Our single zone control can be used on ALL 1999 – 2004 Grand Cherokee® vehicles! On models with dual zone control, the dual control feature will be lost. There is no electronic diagnosis available for your Jeep®. Physically check the operation of the blend doors by removing the glove box.

What is code for Jeep Grand Cherokee heater blend door?

This method involves a little disassembly but is a great way to ensure our Jeep® Heater aluminum blend doors are the right solution for you. The code numbers will be displayed on the screen one at a time. 22 or 54 – Left temperature door is broken or 47 – motor not responding.

Why does my Jeep Grand Cherokee Fan quit working?

In this one we take a stab at permanently fixing a common issue with the 1999-2004 Jeep Grand Cherokee. The electric cooling fan will quit working, and your jeep will overheat, due to a failure in the electronic fan control relay. This is a heat related failure and I add a large heat sink and relocate the relay to try and avoid further issues.

Why is my AC not working in my Jeep Grand Cherokee?

If the fan blower can be heard but there is no air blowing through any of the vents it is most likely that the recirculate door has stress cracked and is broken. The recirculate door can break and fall covering up the blower opening, restricting all air flow.

Where is the air blower on a Jeep Grand Cherokee?

1. Blows hot on drivers side with AC on. 2. Blows hot on passengers side with AC on. 3. Blows cold on drivers side with heat on. 4. Blows cold on passengers side with heat on. 5. Hear blower but no air blows through any vents. 6. Airflow is present but it is not blowing cold.

How to fix AC and heater in 1999 Jeep Grand Cherokee?

Clarify it by editing! The 1999-2004 Jeep Grand Cherokee has a common failure where the blower fan wire adapter overheats and melts. Use this guide to fix and repair this connector and get your AC and Heater working again! No parts specified. Place the car in park, activate the parking brake, and leave the car running.

Where is the AC on a Jeep Grand Cherokee?

How is the clutch on a Jeep Grand Cherokee?

Shop AutoZone for Jeep Grand Cherokee A/C Clutch and Components. 0.0 out of 5 stars. 0.0 out of 5 stars. Notes: New, Available until stock is depleted.

How to test the temperature of a jeep heater?

Rotate the left temperature control knob clockwise (CW) one detent. 2. If you continue to keep the a/c and recirc buttons depressed, the AZC control module will perform a Segment Test of the Vacuum Fluorescent (VF) display.

Do you need an AC kit for a Jeep Wrangler TJ?

Complete air conditioning kit for a 2000 – 2001 Jeep Wrangler TJ with a 4.0 liter six cylinder engine. This is a complete air conditioning system that will add a/c…

Can a jeep heater be operated in manual mode?

Can be operated in a manual mode. Uses engine temperature data, received over the PCI Bus, for cold engine blower lock-out. Uses engine RPM data, received over the PCI Bus, for wide-open throttle A/C cut-out. cooling performance.

What causes a fault code on a jeep heater?

A majority of historical fault codes are caused by intermittent wire harness or wire harness connector problems. 1. To enter the self-diagnostic mode, depress the a/c and recirc buttons at the same time and hold. Rotate the left temperature control knob clockwise (CW) one detent. 2.

How do you calibrate a jeep door actuator?

To calibrate the door actuators 1. Turn the ignition on. 2. Set the AZC to automatic. 3. Turn the ignition off. 4. Remove the IOD fuse from the Power Distribution Center. Wait several seconds, and then install the IOD fuse. 5. Turn the ignition on.

What should the pressure be on the AC in a Jeep Cherokee?

Check to see if the compressor comes on when the switch is activated. If the compressor comes on, feel the larger of the two lines off the compressor. The large line is the low side for the low pressure (suction side) which returns the Freon to the compressor. It normally carries 30 to 60 lbs. of pressure. The line should be cold.

How to troubleshoot the air conditioning on a 2001 Jeep?

Turn on your Jeep’s engine and turn on the air conditioning. Let it idle and check to make sure that the electric fan in front of the air conditioning compressor is on. If it is not, then this could cause your air conditioning system to perform badly at idle.

Is there an AC compressor for a Jeep Cherokee?

RYC Remanufactured AC Compressor and A/C Clutch AEG319 (With Rear Wheel Drive. Does Not Fit 5.7L Models) . . Only 1 left in stock – order soon. . Only 15 left in stock – order soon. . Only 12 left in stock – order soon.

What should the temperature be on a broken Grand Cherokee door?

22 or 54 – Left temperature door is broken or 47 – motor not responding. 24 or 56 – Right temperature door is broken or 48 – motor not responding. toasty warm again.

Why is My Blend door on my Grand Cherokee not working?

just quit producing heat one day – you most likely suffer from blend door failure. on where you have the temperature setting knobs positioned. These little plastic flap doors hide behind your glove box in your A/C system’s housing, and move up and down to pass heat or cold air as you command. only option.

What are the symptoms of a Grand Cherokee heater blend door?

The usual symptoms are that one side of the cabin will loose heat, followed by the other side at some point. Air Conditioning is working on cold but not hot no matter the control knobs setting. These have automatic zone control and the driver and passenger sides have individual controls. Close the glove box – Your Done! It’s really that easy!

22 or 54 – Left temperature door is broken or 47 – motor not responding. 24 or 56 – Right temperature door is broken or 48 – motor not responding. toasty warm again.

Why are there two blend doors on my Grand Cherokee?

All this was indicative of a blend door failure. The Grand Cherokees have two blend doors. Even ones like mine that do NOT have dual climate control, they still have a driver and passenger blend door. Only difference is the doors are attached to each other. So I removed the glove box and looked at the blend door actuator.

Are there any problems with the Jeep Grand Cherokee air conditioner?

Jeep Grand Cherokee owners have reported 25 problems related to air conditioner (under the equipment category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Jeep Grand Cherokee based on all problems reported for the Grand Cherokee.

Why is my Jeep Grand Cherokee not blowing cold air?

One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. If your Jeep Grand Cherokee isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening.

Why is there no heat in my Jeep Grand Cherokee?

This feature is not available right now. Please try again later. If you are having heat problems in your Jeep Grand Cherokee this is one of the first places you should look. This is a common problem with the Jeep Grand Cherokee. As a tip the drivers side actuator has a gear around it, these commonly break that you will need from the dealer.

How to fix no air flow Jeep Grand Cherokee?

The proper fix would be to disassemble to dash and then the blower and duct assembly out from under the dash in order to replace the broken parts however this simple fix will get the air working again quickly and cheaply. The only thing is you will loose the control to allow in 100% fresh air. Loading…

What kind of air conditioner does a Jeep Grand Cherokee have?

Jeep Grand Cherokee 2009, A/C Condenser by Pacific Best®. DPI: 3247. The most important part in a vehicle’s air conditioning system is the condenser. Hot air is condensed into liquid which is cooled and passed back into the drier. Jeep Grand Cherokee with Transmission Oil Cooler 2009, A/C Condenser by Omniparts®.

What to do if your Jeep Grand Cherokee has no air?

Check if Air flows from the defrost vents below the windshield. If it does, and no matter what U do, then the vacuum hose on engine side is not fitted on the Vacuum pipe there. Just fit it back to fix the problem !

Is there a cabin filter in a Jeep Grand Cherokee?

No there isn’t they didn’t make cabin filter in jeeps from 1997 to 2009 or something like that so thats why i was spraying the AC evaporator coil because there was a lot of dirt and debris. One of the dumb moves or smart i guess on Chrysler so it breaks down quick and are forced to pay 2000 to get the AC and heater coils replaced.

Where is the heater on a Jeep Grand Cherokee?

The heater core is located in a case under the dash, and is connected into the engine cooling system. Consists of tubes to carry the coolant and fins to… Jeep Grand Cherokee 2009, HVAC Heater Core by APDI®. The heater core is located in a case under the dash, and is connected into the engine cooling system.

What kind of heater does a 1999 Jeep Grand Cherokee use?

JGCParts Heater Dual Zone blend doors for all 1999 – 2004 Jeep® Grand Cherokee®. The easiest, cheapest way to fix and restore heat to your Jeep. 1999 – 2004 Grand Cherokee®. The sure way to fix and restore heat to your Jeep®. Make the smart choice.

How to fix a Jeep Grand Cherokee heater blend door?

Our JGCParts Heater blend door kits will fix your heater or we’ll buy it back. 2004 Jeep® Grand Cherokee®. you receive when you turn the temperature knob on the dash. If you turn the knob for hot air, they move up. If you turn the knob for cool air, they move down. them to fall down in the cold air position.

Why is my Jeep Grand Cherokee heater not working?

If your Jeep® Grand Cherokee® heater only blows cold on one side all of a sudden, or seemed to just quit producing heat one day – you most likely suffer from blend door failure. on where you have the temperature setting knobs positioned. These little plastic flap doors hide behind your glove

How to fix a Jeep Cherokee heat and AC?

The pictures show the hardware provided for the fix. All work is done from the foot area of the passenger side of the Jeep, with a Dremel cut in the bottom of the heater box…no removal of the dash panel or evacuating the AC system and draining the radiator.

What to do if your Jeep Cherokee is not running?

Remove the glove compartment insert, operate the air conditioning and move the knob that controls the position of air and notice which motor is not moving the lever to operate the door and replace the motor. If the line is not cold, hook up the air conditioning gauges.

How does the blend door work on a Jeep Cherokee?

– The Cherokee is built with a Blend Door to control the heater and AC function. The blend door controls air flow through either the AC evaporator or the heater coil, or any combination in between. The doors are controlled by a stepper motor.

Where do you change the radiator on a jeep?

All work is done from the foot area of the passenger side of the Jeep, with a Dremel cut in the bottom of the heater box…no removal of the dash panel or evacuating the AC system and draining the radiator. Once completed, the alterations are under the dash panel in the foot area and are not visible.

Are there any problems with the 2019 Jeep Cherokee?

CarComplaints.com Notes: The 2019 Cherokee is racking up engine complaints for suddenly shutting down while driving.

Is the 2004 Jeep Grand Cherokee a good car?

Read the full in-depth review of the Used 2004 Grand Cherokee at Edmunds. Edmunds’ expert review of the Used 2004 Jeep Grand Cherokee provides the latest look at trim-level features and specs, performance, safety, and comfort.

Is the air conditioner working on a 1999 Grand Cherokee?

Conditioning is working on cold but not hot no matter the control knobs setting. Our single zone control can be used on ALL 1999 – 2004 Grand Cherokee® vehicles! On models with dual zone

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