Hello, before checking the air conditioner pressure on low side you should check your filter. The most common problem with air conditioning is a dirty filter. If that is clean then check the low side pressure.
Common condition if there is a lot of humidity. Also if the refrigerant is a little low, low side pressure will be reduced making the low pressure line colder. If the ac low pressure switch is not turning off the compressor at low pressures, the line will freeze up.
Blowing out of the defrost is a vacuum problem. You have a leak between the motor and the heater controls. Most likely needs to have the A/C system charged up.
SOURCE: 2005 tahoe no air blowing
as long as all the fuses are good.. its probably the blower resistor/module... located next to the blower motor under the pass. side of the dash..
SOURCE: 2000 chevy impala, air conditioning does not work
It sounds like the blower resistor needs to be replaced and the blower motor it self. Auto Zone will have the blower and resistor that you need to replace and will have the step by step instructions for you to get the job done with common tools and will take about 2 hours if your good with tools. Good luck and keep me posted. Setting 5 should have 12 volts running to the blower motor so check the wire harness for voltage readings at the blower motor harness clip, you may only just need a new blower motor.
Testimonial: "It was the blower motor resistor. I removed the pass. side cover in the foot compartment, three plastic screws & a few choice words later I was g2g. "
SOURCE: my speakers at back does not work on my chevy 2007
First, check that the balance switchon the radio has not been set to front only. If not, then pull the radio out and check the speaker wires at the back of the radio for connectivity, if ok, then do the same for the speakers, remove them and check the wires. Hope that helps
Testimonial: "very good in explanation "
SOURCE: my back speakers on my trailblazer 2007 ls sometimes does'ntwork
make sure there pluged in if so you need to get new ones
Testimonial: "answered in details"
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