COMPRESSOR ISSUE or 2ND TANK

5

Asked by Apr 16, 2015 at 10:35 AM about the 1998 Ford Expedition 4 Dr XLT SUV

Question type: Maintenance & Repair

I have a 1998 Ford Expedition XLT 4.6 V8

I have tried charging the AC and it only blows cold in the back and blows heat in the
front of the truck at the same time. Every so often, the front will blow cold for 5
minutes and then back to heat.

Heard that it was a compressor issue but compressor works/runs. Heard I had a 2nd
air tank for the front of the truck but don't know if its true or where it to find it. So, can
someone give me a hint as to where this second tank would be located or if the air
compressor is just in need of replacing. 2nd tank would be so much cheaper but
whether it is realistic or not in an expedition is another story.

Thanks!

2 Answers

90,815

If you have the electronic HVAC system it could be a inside temp sensor messing up or the temperature control computer sending the wrong signal to the blend door servos causing then to close the wrong door. Run the codes for the HVAC to see if any are there.

1 out of 1 people think this is helpful.
5

'Preciate you tennisshoes. Will run this past the mechanic and see what comes of it.

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