ZJ 1998
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Model: Cherokee
ZJ 1998
I have not had good heat for the last couple of years. I looked for help on the web. I was told the blend doors are the normal problems. I found a write up on how to cut into the heater box and check and replace the doors.
My blend doors are operated from a small electric motor close to the 'hump' on the passengers side. To make a long story short. I removed the heater hoses and flushed just the heater! Well now after putting the hoses back in place I have heat! The outside temp. is 15-20 degrees. And the temp coming into the vents is 140- 150 degrees.
Before doing this the heater hoses were the same temp. There was not enough flow thru the heater. Now there is a 20 degrees difference. Flushing was easy. Live and learn.
My blend doors are operated from a small electric motor close to the 'hump' on the passengers side. To make a long story short. I removed the heater hoses and flushed just the heater! Well now after putting the hoses back in place I have heat! The outside temp. is 15-20 degrees. And the temp coming into the vents is 140- 150 degrees.
Before doing this the heater hoses were the same temp. There was not enough flow thru the heater. Now there is a 20 degrees difference. Flushing was easy. Live and learn.
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1991Jeep_Man
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
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Jan 25, 2016 07:43 AM
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