Why does my Jeep heater blow outside air?

Why does my Jeep heater blow outside air?

Driver works fine, but passenger side (defrost, personal, and floor vents) all blow outside air even when you turn the control up to Hi. Change the control from hi to low and back with no change. helpful? I had the same problem I had heat only on one side and then no heat on one side.

Why does my 99 Jeep Grand Cherokee have no heat?

My 99 jeep grand cherokee has no heat, the air blows out but blows out cold air. It actually blows out whatever the temperature outside is. If it is hot outside I get hot air if it is cold I get cold air. Please help, no one can tell me what is wrong with it helpful? First feel the heater core hoses with the vehicle hot. They should be hot.

What to do if your Jeep Wrangler heater is not working?

So it may be beneficial for those with newer Jeeps to take a spin to the dealership, or trusted mechanic, for a diagnosis. This is the guy in charge of blowing air across the hot heater core, through the Jeep’s ventilation system, and into the cabin.

What causes a heater to blow cold air?

The following are some issues that may be causing the heater to blow cold air: Low coolant levels. A plugged/clogged heater core. A faulty thermostat (thermostat that is stuck) Broken blower and/or blower motor. Heater core bypass hoses that have leaks.

Why is my Jeep heater blowing cold air?

The jeep has dual controls,with both set on 85 it still blows cold air on both sides.Both heater hoses are hot. Also, what does the BCM mod do? Does this have any thing to do with my problem/ Anyone have any suggestions? I found this Jim…Maybe it will help you! Heater core maybe gone.

My 99 jeep grand cherokee has no heat, the air blows out but blows out cold air. It actually blows out whatever the temperature outside is. If it is hot outside I get hot air if it is cold I get cold air. Please help, no one can tell me what is wrong with it helpful? First feel the heater core hoses with the vehicle hot. They should be hot.

So it may be beneficial for those with newer Jeeps to take a spin to the dealership, or trusted mechanic, for a diagnosis. This is the guy in charge of blowing air across the hot heater core, through the Jeep’s ventilation system, and into the cabin.

Is there a heat vent on a jeep JKU?

HELP!!!!!! 2012 Jeep JKU 45040 miles. Driver side vent blowing strong cold air and passenger side blowing strong hot air in the heat mode. After numerous searches on forums and websites…I see casting sand from manufacture of head or block left in system.

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