How do I calibrate my jeep blend door actuator?
Blend Door Actuator Motor Calibration Move the key to the off position. Open hood (bonnet for the RHD guys) and locate fuse #15 in the fuse box next to the battery. Remove the fuse and wait 1-2 minutes for any capacitive charges in the system to dissipate. Replace the fuse.
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.
What should the AC read on a Jeep Cherokee?
They should read 29 to 30 lbs. on the low side and at least 150 on the high side (with the engine off). If they are lower and the compressor did not come on, then it is undercharged and needs Freon to make the low side switch come on and activate the compressor. Start the car and turn the AC on.
What kind of engine does a Jeep Grand Cherokee have?
The Chrysler 4.7L V8 PowerTech engine offers drivers an eight-cylinder gasoline engine that arrived back in 1999. The engine was then used as the engine for the Jeep Grand Cherokee. It was then used in the Cherokee for models between 2000-2002. The 4.7 was also the engine in such Dodge vehicles such as the Dakota, Durango and Ram.
What makes a Jeep Grand Cherokee air conditioner work?
The only thing that the air conditioning system has in common with the heater is that they both use the climate controls and the blower motor. It is entirely possible for your Grand Cherokee’s heater to work just fine even when the air conditioner is not blowing cold at all.
Why does my 1999 Jeep Grand Cherokee blow hot air?
When the air conditioner in your 1999 Jeep Grand Cherokee starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system.
They should read 29 to 30 lbs. on the low side and at least 150 on the high side (with the engine off). If they are lower and the compressor did not come on, then it is undercharged and needs Freon to make the low side switch come on and activate the compressor. Start the car and turn the AC on.
Can you add Freon to a 1999 Jeep Grand Cherokee?
If there is a problem with your compressor or evaporator, adding freon will not restore cooling. How to add freon to your 1999 Jeep Grand Cherokee: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure.