Why does my GMC 1500 heater not come down?

I HAVE A 2000 GMC PICKUP Z71 THAT THE CONTORL FOR THE TEMPERATURE DOES NOT COME DOWN UNTIL THE TRUCK IS SHUT OFF. THE HEATER CONTOL PANEL WAS JUST CHANGED. ALSO IT HAS AC AND MANUAL CONTROLS … read more

What causes an outdoor air conditioner to overheat?

Outdoor units especially can become obstructed due to leaves and debris that have accumulated around the unit. Even systems in mechanical rooms can be obstructed by other equipment or storage items. Your system can overheat when there’s not enough airflow to the air conditioning unit.

What are the symptoms of an air conditioner problem?

If you suspect you have HVAC airflow problems, you’re probably experiencing one or more of the following symptoms: Hot and cold spots throughout your space. Pressure imbalance. Little to no air coming from your air conditioning registers. Your AC system blows warm air.

What causes air to move through the HVAC system?

Sometimes, something as simple as a faulty thermostat, or even a low battery can be the cause of HVAC airflow problems. 6. Sluggish fan. Your HVAC system has blower fans that move the air through your ducts and throughout your space.

What kind of heater does a 1991 CK Cheyenne have?

Automotive Diagnostic Spe… Vocational, Technical or Tra… have 1991 chevy ck cheyenne pickup. does not overheat but cab heat is always on high even when turned to cold. A/C flashes on control panel … read more

Why are the heater controls on my truck not working?

Went out to start the truck and the heater controls were black wont come on no heat or ac. I have checked the fuses all good I have also put two new controls in and nothing.

What kind of heater does a Chevy 1500 have?

I have a 1992 chevy 1500 4.3l 2wd. Went out to start the truck and the heater controls were black wont come on no heat or ac. I have checked the fuses all good I have also put two new controls in and nothing.

When to replace the heater fan control switch?

If you have replaced the blower motor and blower motor resistor on your ’95-’98 GM truck or SUV, and your fan only works on high or doesn’t turn on at all, your heater fan control switch needs to be replaced. This video explains on how to do replace this part. Thanks for watching. Loading…

What kind of heater does a 91 Chevy S10 have?

91 Chevy s10 4.3 litre pickup. When the selector is moved from Vent or Heater to any of the AC settings or Defrost, the AC Fuse blows and there’s no … read more Vocational, Technical or Tra… My heater blender valve recycles for 30 seconds on start up & shutdown in my 1991 C1500 pickup. The heater core gets warm but I get no heat at … read more

Why does my Chevy 1500 have no heat?

I have no heat only cold air coming through the vents changed thermostat still no heat. Heater core is flowing and heating up but still only cold air. I’ve seen people are talking about doors not opening to let air pass through the core.

Went out to start the truck and the heater controls were black wont come on no heat or ac. I have checked the fuses all good I have also put two new controls in and nothing.

Why is my Chevy 1500 AC not working?

A.c. doesn’t blow completely cold also doesn’t have the velocity it used to have. Replaced compressor, hoses and condenser with no change. Took off old actuator and it did not any power so i filped the door around and the heat worked, so I tryed to find a actuator at parts house but never got the right one, i am still looking for the right one .

Why is my Chevy 1500 heater not working?

When blower motor is on 2 highest settings,air can be heard roaring in the vent system but the proper amount of air volume coming from vents is not as when newer.Took door actuator off and seems to be working fine off of unit. Will explore the possibility of mode actuator being stuck or bad.The search for this problem continues.Post 5/26/2011.

Why is my Dakota heater / AC fan not working?

I don’t believe the issue to be the blower motor itself, because it has been running flawlessly and very quietly…no rattling, squeaking or anything that would lead me to believe the motor has failed. My truck is a 1997 Dakota 3.9L automatic….with 186,000 miles on it.

Why is my AC not working in my Avalanche?

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code (s) stored in the HVAC control module should be available to assist with diagnoses.

What should I do if my AC heater is not working?

Even after freeing a stuck, still a good idea to replace motor. A.c. doesn’t blow completely cold also doesn’t have the velocity it used to have. Replaced compressor, hoses and condenser with no change.