Why is my GMC Sierra 1500 heater not working?

While there are a variety of reasons your GMC Sierra 1500 heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.

What kind of engine does GMC Sierra have?

GMC now offers several engines in the full-size Sierra 1500, including a turbocharged 2.7-liter inline-four. Most of its engines are also backed by an eight-speed or 10-speed automatic transmission, which improves its fuel economy.

Which is the most trouble free GMC Sierra?

By far, the most trouble-free model has been the 1997 GMC Sierra 1500, which has received very few complaints. However, the 2014 model has had by far the most reports of issues, primarily having to do with sub-par headlights and poor visibility. GMC Sierra 1500 accessories for that model year have also had a number of issues.

What kind of engine does a GM Tahoe have?

It was produced for GM’s 2006-2014 GMT900-based SUVs, including the Chevrolet Tahoe and Suburban as well as the GMC Yukon and Yukon XL. The arrival of the all-new 2015 Tahoe/Suburban and Yukon/Yukon XL has resulted in the LMG being replaced by the all-new 5.3-liter V8 EcoTec3 L83.

What kind of engine does a GMC Sierra 1500 have?

Two V-8s are optional on 1500 models, both with 15 horsepower more than last year: a 4.8-liter with 270 horsepower and a 5.3-liter with 285 horsepower. The 5.3-liter V-8 is standard on 2500 models and a 300-horsepower 6.0-liter V-8 is optional.

Is there a 2000 GMC Sierra Club Cab?

The big news for 2000 is the arrival of an extended cab with four doors this winter. Previously, the Sierra Club Cab came with two front doors and a passenger-side third door that opens toward the rear.

Where is the heater control valve in a GMC Sierra?

2 people found this helpful. Location of the heater control valve in the cab that controls the heater temperature in a 2000 GMC Sierrs single cab 2wd 4.3 vortec engine 6 people found this helpful.

Why does my GMC Sierra not blow cold air?

My 95 GMC Serrea AC will not blow cold air. The pressure is right in the system. The compressor run right. The air does get colder when running at freeway speeds but warms up at lower speeds. Similar problem in GMC Sierra was solved by replacing the A/C control module in the dash.

What’s the problem with dual heat control in a Chevy Silverado?

I have dual heat control for driver and passenger. Problem is my side blows heat all the time regardless of setting. You can turn the temperature on both to coolest setting. You reach across and feel the air coming from the vent on the passenger side its cool. The drivers side is screaming hot.

What should the thermostat be on a Chevy Silverado?

Figure 1. Chevy Silverado thermostat and housing. Thermostats have a rated temperature listed on them. Most commonly, thermostats are rated at 180, 190, and 200 degrees Fahrenheit, which fully open about 20 degrees after its temperature rating. Common problems associated with thermostats is engine overheating or an engine that runs too cold.

Where does the heater core go in a Duramax?

AFAIK, the heater core is part of the whole HVAC assembly unit….out comes the Dash. Now if your heater core DID blow a leak, that coolant should be exiting the evap drain hose, not a random firewall hole.

What kind of climate controls does a GMC have?

You are currently viewing GMC.com (United States). Close this window to stay here or choose another country to see vehicles and services specific to your location. Your GMC is equipped with climate controls that allow you and your passengers to stay comfortable – whether you’re braving the heat of summer or the chill of winter.

Why is the heater not working on my Buick Enclave?

Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working. If it’s not coming on at all, it’s usually either the blower motor or some other wiring issue.

What to do if your Ford Fusion heater is not working?

When the blower motor resistor fails, the air conditioner and heater may still work, but air may blow from the vents at only some of the fan speed settings. If the resistor isn…

Where is the temperature cable on a Silverado blower?

If you remove the glovebox door you may be able to see the end of the cable at the temperature door. To see the end at the heater control, you will need to remove the heater/ac control head from the dash and inspect the cable.

How does climate control work on a Silverados blower?

With a little time on your back and a flashlight, you maty be able to see the problem under the dash and possibly repair it. The next up level unit has two sliders for temp adjust and they have electronic control motors that move the temperature door. The premium heater case has automatic temperature control which is also electronic door control.

Is the fan speed set or intermittent on a Silverado Sierra?

Just the blower is intermittent, not the compressor. Fan speed does not have set speeds, it’s more like a rheostat. It has the rotary control.

Why does my GMC Sierra 1500 blow cold air?

The dash vents do not blow any air. It seems like a common problem. Im gonna go ahead and replace the mode actuator! A/C only cold on passenger side. Drivers side blows hot. There is no adjustment on the drivers side for temp. If you turn off the truck and then restart, it might work for a bit or not.

Why does my Chevy Silverado blower fan stop working?

ALL 3 have heat fan problems… Intermittent to not working at all, all start by loosing blower fan level 5, then 1-4 work intermittently then not at all. Not too bad driving in the 7 below zero weather, except in snow when you can’t clear the windshield.

Just the blower is intermittent, not the compressor. Fan speed does not have set speeds, it’s more like a rheostat. It has the rotary control.

Why is my Silverado Sierra blowing cold air?

After fiddling with the controls a bit I gave up and rolled the windows down. About five minutes later it was eating at me so I switched the control from off to max and the fan kicked on like it was supposed to and was blowing cold air.

Why does my Acura heater smell like engine coolant?

A failing heater core may cause the car’s interior to smell like engine coolant. The smell will become worse when the heater is turned on. The engine may also begin to run hotte…

Why does my GMC k1500 blower not work?

Here is a possible solution for your 1995 GMC K1500 blower that wont work on high. First remove the glove box and set it aside. Now look into the area that the glove box resided. You will see a wire harness covered in factory foam and next to this on the right you will see a flat silver box that is your ECM.

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.

Why does my heater not work on high speed?

Heater blower motor will not work on high speed? I have replaced the black bosch relay behind the glovebox, the blower resistor and the blower motor and still cannot get the blower to work on high. I remember in older model years of gmc’s and chevys that their was a high speed blower relay that caused this issue.

When the blower motor resistor fails, the air conditioner and heater may still work, but air may blow from the vents at only some of the fan speed settings. If the resistor isn…

What’s the price of a 2006 GMC Sierra?

The original MSRP of the 2006 GMC Sierra 1500 is from $16,715 to $39,650. The data above is updated daily, based on used car inventory for sale on CARFAX for the last five model years of this car.

What happens when a GMC heater connector breaks?

The problem with this is that over time, the plastic becomes brittle and breaks off. Because the connector breaks in the middle, you can’t just simply slide the hose over the heater barb and toss on a worm-clamp. Instead, you have to remove the remaining plastic connector.

When did GM stop using heater hose disconnects?

All GM trucks and SUVs used plastic heater hose connectors (disconnects) for the heater hoses from 1999-2014. The problem with this is that over time, the plastic becomes brittle and breaks off. Because the connector breaks in the middle, you can’t just simply slide the hose over the heater barb and toss on a worm-clamp.

How is the heat in my Silverado truck?

First, and most important problem: The heat in my truck is virtually non-existent. After about 10 minutes, it will blow warm air (not hot), but only if it’s above 40-45 degrees. Anything under that (40 and below), it blows kind of lukewarm air, barely warmer than the inside temperature of the truck.

What’s the temp in a 2006 Silverado Sierra?

My 2006 Silverado with 5.3l engine has been overheating lately when I let it idle for around 4 minutes or so. It’s temp gauge has always read at just before the 210 mark since new but the other day while at a drive thru it started climbing higher and the temperature here has been high 80s to mid 90s only.

Why does my Chevy truck have no heat?

If your heater core is still cold, there are four possible additional problems: first, the thermostat is stuck open, allowing coolant circulation at all times, thus never allowing the engine to warm up. You will be able to tell this from your temperature gauge, it shud be somewhere in the middle.

What kind of problem does a 1990 Chevy k1500 have?

This 1990 Chevrolet K1500 Pickup came in with multiple complaints. The headlights and park lights did not work. The dome lights did not work and the horn did not work. The vehicle owner had already found out that there were three dead fuses in the interior fuse box.

Where are the fuses on a 1991 GMC c1500?

Electrical components such as lights, heated seats and radios all have fuses in your 1991 GMC C1500 Sierra 5.0L V8 Extended Cab Pickup. This free video shows you how to replace a blown interior fuse on a 1991 GMC C1500 Sierra 5.0L V8 Extended Cab Pickup

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

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

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code (s) should be stored in the HVAC control module which should assist in diagnoses.

What kind of engine does a 91 GMC 1500 have?

91 Chevy s10 4.3 litre pickup. When the selector is moved 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

Where is the mode actuator on a Silverado?

If you look under the dash from the driver’s side you will see the Mode actuator. Turn on the ignition, set the fan to low speed, and rotate the mode knob through its range. There is a visible slot in the shaft of the actuator. You should see it rotate about 90 degrees as the knob is turned.

2 people found this helpful. Location of the heater control valve in the cab that controls the heater temperature in a 2000 GMC Sierrs single cab 2wd 4.3 vortec engine 6 people found this helpful.

When is GMC heater control out of stock?

In stock on June 4, 2021. . . Only 17 left in stock – order soon. . Only 15 left in stock – order soon. . Only 19 left in stock – order soon.

Which is the best GMC heater blower motor?

Shop AutoZone for GMC C1500 A/C Heater Blower Motor. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only

In stock on June 4, 2021. . . Only 17 left in stock – order soon. . Only 15 left in stock – order soon. . Only 19 left in stock – order soon.

Where to buy engine heaters for a GMC Sierra 1500?

If you prefer to shop in person for the right Engine Heaters products for your Sierra 1500, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time! Use the fitment form at the top of the page to select your exact year and engine type for your GMC Sierra 1500.

Shop AutoZone for GMC C1500 A/C Heater Blower Motor. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only

Where can I buy parts for my GMC Sierra 1500?

Hear from other customers via the 192 reviews on parts for your GMC Sierra 1500. Shop online, find the best price on the right product, and have it shipped right to your door.

Why does my Dodge Ram 1500 blow heat from the floor?

Dodge RAM 1500 Questions – Heat blows from vents but won’t blow from floor when put on floor mode… – CarGurus.ca You most likely have an air door actuator problem. It’s stuck in the vent position and can’t shift to the floor position. The two doors that governs flow between dash vents and defrost/floor are “mode door 1” and “mode door 2.”

How does the heater work on a GMC Sierra?

At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. 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 Sierra, this process has failed in one way or another.

Why do the vents in my Chevy Silverado blow only?

Recharge the A/C. There may be air trapped in the system. Hot coolant is responsible for passing through the heater core, creating hot air which can than pass through the vents and into the cabin. On some occasions air can become trapped in the system, stopping the coolant from doing its job.

Why does my Chevy Silverado have no heat?

For this reason, there is a thermostat in the engine (at the engine end of the upper rad hose) that opens and closes. If the coolant is cold in the engine, i.e., under about 180 degrees, the thermostat stays closed and does not allow coolant to escape the engine and flow to the radiator.

Where is the heater on a Chevy Silverado?

A. Chevy usually has a heater control valve mounted on the right rear corner of the intake manifold, the corner near the heater core. This turns on and off the flow to the heater core. there is a cable attached to it to help figuring out where it is.

What happens when there is no heat in a truck?

After about 10 minutes, it will blow warm air (not hot), but only if it’s above 40-45 degrees. Anything under that (40 and below), it blows kind of lukewarm air, barely warmer than the inside temperature of the truck. Well, not having heat makes me cold, and I don’t like to be cold at 6:45 in the morning.

Why is my heater not working on my GMC Sierra?

One of the most common (and inconvenient) problems with the GMC Sierra is when it has no heat coming from the heater. Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working.

Why does my Silverado Sierra overheat when idling?

It’s temp gauge has always read at just before the 210 mark since new but the other day while at a drive thru it started climbing higher and the temperature here has been high 80s to mid 90s only. Could it be the water pump? The truck has about 95k miles on it. Not sure how long these factory pumps last.

Why does my GM up truck keep overheating?

’06 and up trucks do seem to have some water pump failure issues ( GM was going broke by then remember). with the a/c on they will cycle the fans at low speed to keep the temp down. I was going to suggest an issue with the fans.

How to fix Chevy GMC Truck heater blend door?

1999 – 2004? Chevy GMC Truck Heater Blend Door Stuck Easy Fix How-to – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.

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…

Why does the AC blow hot air on my 2005 GMC Sierra?

The AC on my 2005 Sierra blows hot air after it has run a while when it is above about 85F. Turnu=ining the AC off and – Answered by a verified GM Mechanic We use cookies to give you the best possible experience on our website.

Who is the owner of the 2005 GMC Sierra?

2005 GMC Sierra Owner ManualM GENERAL MOTORS, GM, the GM Emblem, GMC, the GMC Truck Emblem, and the name SIERRA are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice.

How does the heated seat work on a Chevy Silverado?

The engine must be running for the heated seats to work. To heat the entire seat, press the horizontal button with the heated seat and seatback symbol. Press the button to cycle through the temperature settings of high, medium and low and to turn the heated seat off.

What are the most common GMC truck problems?

One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.

What are the problems with a 2007 Chevy Silverado?

1 Excessive Oil Consumption 2007 Silverado Average Cost to Fix: $3,500 Average Mileage: 66,000 mi 2 Rear End Clunking 2007 Silverado Average Cost to Fix: $1,900 Average Mileage: 37,000 mi 3 Transmission Failure 2007 Silverado

When did the GMC Sierra have the most problems?

The model years with the most problems reported were 2004 and 2007, with more than 60 complaints each year, followed by 2002, 2003, 2005, and 2010, with more than 40 each year. Of the 112 problems, five different complaints have been reported 90 or more times.

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