Questions & Answers for: heater working rear front 99

Question about 2000 Expedition

2 Answers

...rear does? there is no heater control valve in this truck, heat control is done through what are called blend doors. So the issue may be the front blend door motor has failed, this is very common on ...

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...rear cabin. Heater will work in rear, but no A/C. Front A/C and heat is normal. somewhere in the cabin there is a panel, behind it there will be a small vacuum valve that opens duct heat/cool for the ...

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...working just fine. I've been told that a "mixer door" may be broken or the stepping motor is bad. Where are these located on an Eddie Bauer model and how do I test for these problems? The only ...

heater box may not be working. The actuator (a white square device that measures about 2 1/2" square and 1/2" thick) is mounted on the bottom of the heater box direct center of the dash. Using a small

...rear heater hose clamps coming off the top rear of the back manifold. The intakes are now separate for airflow and water. In the old days you took 1 manifold off to solve either problem, now the ...

Question about 1999 Expedition

0 Answer

...heater. My front AC works perfectly but my rear seems to be blowing some hot air. I assumed its the blend door but is there any simple procedure that I can just totally disable the heater function as ...

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