Why does my Suburban Z71 have no heat?

2003 suburban z71 with duel climate control and rear controls no heat in front or rear sometimes rear will blow warm if reving rpms countinously. , blows cold air out of vents. When cycling the duel climate control levers up and down there is a change in air flow but not temp.

Why is my Chevy Suburban not blowing cold?

Blend Door – The blend door controls how much air conditioned and heated air enters the cabin. If it gets jammed or locks up, your Suburban can’t respond to your temperature change request. These are a few of the most common issues that could cause your Suburban to not blow cold enough. There are other issues that can cause this as well.

What’s the problem with my Chevy Suburban heater?

Just no temp control. Actuator door quit working and would only blow hot air on driver side and cool air on passagner side when in ac mode. Drivers side a/c switches to heat, while passenger side blows cold. Replaced drivers side door actuator, did not fix problem.

How much does a Chevy Suburban AC cost?

The average cost for a Chevrolet Suburban 1500 AC Diagnosis is between $53 -$67. Learn More no heat from the front, but rear heat works great. 2003 suburban z71 with duel climate control and rear controls no heat in front or rear sometimes rear will blow warm if reving rpms countinously. , blows cold air out of vents.

Is the air con in my Chevy Suburban working?

Driver side Air cond turns to a high heat —passenger side is fine –this is not a very good condition to have going across the Bonneville Salt Flats in 95 degree weather.

Is the a / C on my Silverado Z71 working?

My 2006 Silverado Z71, 5.3L has A/C acting much the same as “Terry” from 05/June/2018. The difference is the 85 relay terminal is “pulsing” between green indicating a good ground and anywhere from 0.1 to 0.4 V. Would this indicate a bad ground wire coming from the PCM or maybe a bad PCM?

Why is my suburban AC blowing hot air?

My 2005 suburban AC is blowing hot air; one minute it was blowing out cool air and then it started blowing as if the heat was on…. Clicking this will make more experts see the question and we will remind you when it gets answered. You can’t post conmments that contain an email address. An expert who has achieved level 1.

How tall is a 2003 Chevy Suburban 1500?

Overall height: 73.6 ” Overall Length: 219.3 ” Overall Width: 78.9 ” Rear Head Room: 39.0 ” Rear Leg Room: 39.1 ” Wheelbase: 130.0 ” Displacement: 325 cu.in. Engine liters: 5.3 Fuel tank capacity: 31.0gal. Diameter: 16.0″ Curb weight: 4,947 lbs. Gross vehicle weight: 7,000 lbs.

What to do about HVAC issues on a Chevy Silverado?

If you’ve noticed the control issues happening after disconnecting the battery or having repair work done, then the quickest fix is to recalibrate the HVAC. Turn the ignition off. Find the three HVAC fuses; Two are under the hood and one is in the cab fuse box.

Where is the recirculate air button on a Chevy 1500?

This is on my 04 Chevy 1500. You go to hit the recirculate air button on the ac/heat control and It blinks a few seconds then goes off. Never stays on. Any ideas? It is supposed to do that.

What happens when your Chevy Tahoe heater stops working?

At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. If the heater has stopped working in your Tahoe, this process has failed in one way or another.