The GMC Envoy is known to experience air conditioning problems. Some common issues include a faulty compressor, leaks in the refrigerant system, or a malfunctioning blower motor. These problems can lead to a lack of cool air or no air coming from the vents. It is important to have these issues diagnosed and repaired by a qualified mechanic.

Are you a GMC Envoy owner experiencing issues with your vehicle’s air conditioning system? If so, you’re not alone. Many GMC Envoy owners have encountered problems with their air conditioners, ranging from a lack of cool air to strange odors and unusual noises.

These problems can not only affect the comfort of your vehicle but also its overall functionality. In this blog article, we will explore the common air conditioner problems faced by GMC Envoy owners and provide comprehensive solutions to help you resolve these issues.

Whether you have a moderate knowledge level when it comes to car maintenance and troubleshooting or you’re completely new to the world of vehicle repairs, this article is designed to assist you in finding the answers you need. Throughout the article, we will delve into the specific problems that GMC Envoy owners face with their air conditioning systems. We will provide practical tips and step-by-step instructions to help you diagnose and fix the issues, ensuring that you can enjoy a fully functioning air conditioner in your GMC Envoy once again.

So, if you’re tired of sweltering in the heat or dealing with unpleasant smells and strange noises every time you turn on your air conditioner, keep reading. We are confident that by the end of this article, you will have the knowledge and tools necessary to tackle your GMC Envoy’s air conditioner problems head-on. Don’t let a malfunctioning air conditioner ruin your driving experience.

Bestseller No. 1

GDSMOTU AC Compressor with Clutch Fits for GMC Envoy 4.2L 2002-2009, for Chevrolet Trailblazer EXT 4.2L 2002-2006, for Saab 9-7x 4.2L 2005-2009, for Oldsmobile Bravada 2002-2004

[Vehicle Compatibility] — GDSMOTU Compressor Clutch Fit for Buick for Rainier 4.2L 2004-2007, for Chevrolet for Trailblazer 4.2L 2002-2009, for Chevrolet for Trailblazer EXT 4.2L 2002-2006, for GMC for Envoy 4.2L 2002-2009, for GMC for Envoy XL 4.2L 2002-2006, for GMC for Envoy XUV 4.2L 2004-2005, for Isuzu for Ascender 4.2L 2003-2008, for Oldsmobile for Bravada 4.2L 2002-2004, for Saab for 9-7x 4.2L 2005-2009
[Replace OEM Numbers & Specification] — CO 4910AC,1521182, 1521731, 6511418, CS10054, 77561, 15070473, 25825339, 6511418, 7511418, 363450NA, 14SD3450NC, 2557N, 3450, 3452, 3454, 3456, 4910, 10349190, 10349191, 8258253390, C2646, 0610103, TEM275517, 254427, 2003450AM, DW77561, 77561 / Oil Type: PAG 46 / Pulley Grooves: 6 / Pulley Diameter (mm): 106 / Compressor type: TRSA12. Internal Oil Content 130ml
[Advantages] — Compressor is mainly made of high-strength aluminum alloy which ensures a long service life. All compressors are pressure tested with nitrogen for leaks to ensure their quality. Our AC compressor kit works efficiently under low noise and tiny vibration to provide you a super cool trip. Driving at a stable speed will help reduce fuel consumption
[Guaranteed quality] — As a high-speed rotating working part, the air conditioning compressor often encounters failures. Common failures are abnormal noise, leakage, and failure to work due to circuit problems. Our air conditioning compressor with clutch meets OE standards and ISO/TS 16949 quality to ensure product quality
[Important Reminder] — Before installing the air conditioning compressor please clean the cooling system pipe of the your car, If sundries or metal shavings in the cooling system pipe make the system stuck, it will cause the compressor kit burn out due to the Large pressure. What’s more, the internal parts are lubricated during production and this item is pre-filled with oil upon delivery; therefore, there is no need to add oil during initial use

Bestseller No. 2

AC Compressor Compatible with GMC Envoy 4.2L 2002-2009, Chevy Trailblazer EXT 4.2L 2002-2006, Oldsmobile Bravada 4.2L 2002-2004, Saab 9-7x 4.2L 2005-2009 CO 25825339 15070473

[Replacement Part Numbers] 10399367, 10366868, 89038601, 19193658, 15198475, 25825339, 15070473, 25825341
[High Performance & Durability] We use premium components and strict quality control standards to ensure superior performance and durability, and every product meets our high quality benchmarks
[ISO 9001 & IATF 16949 Certified] Our factories are ISO 9001 and IATF 16949 certified, ensuring the highest standards of quality management during the manufacturing process
[Professional Testing] All of our products undergo meticulous quality testing with professional equipment from DV Canada, ensuring that you receive the highest quality products
[1-Year Manufacturer Replacement : Fast, Direct] Backed by both the manufacturer and seller, you get double assurance—any issue is resolved quickly and efficiently

Bestseller No. 3

marddpair A/C Compressor CO 4910AC Replacement for Chevy Trailblazer 2002-2009 Replacement for GMC Envoy 2003-2007 Isuzu Ascender 2005-2009 Saab 9-7x

Replacement Part Number: CO 4910AC, 637561, 78561, 254427, 275517, 2003450
Replacement for Trailblazer 2002-2009, replacement for GMC Envoy 2002-2009, replacement for Buick Rainier 2004-2007, replacement for Isuzu Ascender 2003-2007, replacement for Oldsmobile Bravada 2002-2004, replacement for Saab 9-7x 2005-2009
Sufficient power, reduce noise, stable operation, fast refrigeration, significantly reduce fuel consumption
High quality materials, a greater degree of rigidity, prolong service life, high stability, not easy to damage, small vibration, bring good refrigeration effect, reduce the temperature of the car
Note: Air conditioning compressor only compatible with three pin plug!!!!!

Bestseller No. 4

AC Compressor Compatible with 2002-2009 GMC Envoy 4.2L, 2002-2006 Chevy Trailblazer EXT 4.2L, 2002-2004 Oldsmobile Bravada 4.2L, 2005-2009 Saab 9-7x 4.2L, CO 25825339 15070473

[Replacement Part Numbers] 10399367, 10366868, 89038601, 19193658, 15198475, 25825339, 15070473, 25825341
[High Performance & Durability] We use premium components and strict quality control standards to ensure superior performance and durability, and every product meets our high quality benchmarks
[ISO 9001 & IATF 16949 Certified] Our factories are ISO 9001 and IATF 16949 certified, ensuring the highest standards of quality management during the manufacturing process
[Professional Testing] All of our products undergo meticulous quality testing with professional equipment from DV Canada, ensuring that you receive the highest quality products
[1-Year Manufacturer Replacement : Fast, Direct] Backed by both the manufacturer and seller, you get double assurance—any issue is resolved quickly and efficiently

Bestseller No. 5

RainMan S AC Compressor Replacement for Chevrolet Trailblazer GMC Envoy Isuzu Ascender Oldsmobile Bravada Saab 9-7x CO 4910AC, Does Not Apply

Replacement for: 2002-2009 Trailblazer, 2002-2009 GMC Envoy, 2004-2007 Buick Rainier, 2003-2007 Isuzu Ascender, 2002-2004 Oldsmobile Bravada, 2005-2009 Saab 9-7x
Powerful compression, fast refrigeration, good refrigeration experience, drive away the summer heat, give you a cool driving feeling
Part Number: CO 4910AC, 637561, 78561, 254427, 275517, 2003450
Low noise, small vibration, smooth operation, quiet comfort, small engine load, provide adequate refrigeration and ensure the output power of the car
Please refer to the model list and reference number before purchase. If you have any questions, please contact us and we will reply in time

Bestseller No. 6

ECCPP AC Compressor 2002-2009 for Chevrolet Trailblazer for GMC Envoy for Saab 9-7x for Oldsmobile Bravada 4.2L Air Conditioning Compressor TRSA12 Strong Cooling

STRONG COOLING A/C COMPRESSOR PUMP FITMENT: 2004-2007 for Buick Rainier L6 4.2L;2002-2009 for Chevrolet Trailblazer L6 4.2L;2002-2006 for Chevrolet Trailblazer EXT L6 4.2L;2002-2009 for GMC Envoy L6 4.2L;2002-2006 for GMC Envoy XL L6 4.2L;2004-2005 for GMC Envoy XUV L6 4.2L;2003-2008 for Isuzu Ascender L6 4.2L;2002-2004 for Oldsmobile Bravada L6 4.2L;2000-2001 for Oldsmobile Bravada V6 4.3L;2005-2009 for Saab 9-7x L6 4.2L
DURABLE AIR CONDITIONING COMPRESSORS PART NUMBER: 77561,78561,1521182,1521182D,1521727,1521731,1521916,DW77561,0321,10344880,10349191,3013600,3013601,637561,CS10054,4717035,34240,2041570,10366868,10399367,15070473,15198475,25825339,25825341,88892743,100048,0908A2001,5511418,6511418,6513564,7511418,363450NA,8258253390,254427,275517,NOE34240,TEM254427,TEM275517,2003450,2003450AM. Oil Type: PAG 46, Pulley Grooves: 6, Pulley Diameter (mm): 100, Compressor type: TRSA12. Internal Oil Content 130ml
NOISELESS AC COMPRESSOR: The air conditioning compressor is the core of the air conditioning system and is responsible for the delivery of air in the entire vehicle’s air conditioning system. ECCPP’s ac compressor pump has excellent performance, and is of top quality and tested to meet OEM standards. However, it is recommended to find a professional technician to install it, because incorrect installation can easily cause product damage
BEST FEATURE : air conditioner compressors are designed and manufactured to meet or exceed the standards of the original equipment components we are replacing. Each compressor is loaded with lubricating oil to prevent rust of compressors’ internal parts, oxidization, and ensure proper lubrication (please ask professional mechanics to measure appropriate oil requirements for your specific A/C system)
INCLUDED: AC compressor and clutch. All compressors are pressure tested with nitrogen for leaks to ensure their quality. The internal parts are lubricated during production and this item is pre-filled with oil upon delivery; therefore, there is no need to add oil during initial use. Excessive oil addition may damage the ac compressor

Bestseller No. 7

A-Premium Air Conditioner AC Compressor with Clutch Compatible with Chevrolet Trailblazer, Trailblazer EXT & GMC Envoy, Envoy XL, Envoy XUV & Buick Rainier & Isuzu Ascender & Oldsmobile Bravada

[Specifications]: ①Compressor Style: TRSA12; ②Pulley Groove Quantity: 6; ③Clutch Included: Yes; ④Oil Prefilled: Yes
[Vehicle Fitment]: Compatible with Buick Rainier 2004-2007 L6 4.2L; Compatible with Chevrolet Trailblazer 2002-2009 L6 4.2L, Trailblazer EXT 2002-2006 L6 4.2L; Compatible with GMC Envoy 2002-2009 L6 4.2L, Envoy XL 2002-2006 L6 4.2L, Envoy XUV 2005-2005 L6 4.2L; Compatible with Isuzu Ascender 2003-2008 L6 4.2L; Compatible with Oldsmobile Bravada 2002-2004 L6 4.2L; Compatible with Saab 9-7x 2005-2009 L6 4.2L
[OE Performance]: Confirm that this AC Compressor for car will fit your car by using Amazon’s garage. Please make sure to match photos with your existing a/c compressor
[Reference Number]: CO4910AC, CO 4910AC, 77561, 78561, 15070473, 25825339, 25825341, 3450, 3452, 3454, 3456, 4910, 8258253390, 10366868, 10399367, 15198475, 8103668680, 8103993670, 8150704730, 8151984750, 8888927430, 88892743, 89038601
[Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted Air Conditioning Compressor . We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.

Bestseller No. 8

A-Premium Air Conditioner AC Compressor Clutch Kit Compatible with Chevrolet Trailblazer, Trailblazer EXT & GMC Envoy, Envoy XL, Envoy XUV & Buick Rainier & Isuzu Ascender & Oldsmobile Bravada

[Specifications]: ①Compressor Style: TRSA12; ②Pulley Groove Quantity: 6; ③Pulley Diameter (MM): 105; ④Voltage: 12V
[Vehicle Fitment]: Compatible with Buick Rainier 2004-2007 L6 4.2L; Compatible with Chevrolet Trailblazer 2002-2009 L6 4.2L, Trailblazer EXT 2002-2006 L6 4.2L; Compatible with GMC Envoy 2002-2009 L6 4.2L, Envoy XL 2002-2006 L6 4.2L, Envoy XUV 2005 L6 4.2L; Compatible with Isuzu Ascender 2003-2008 L6 4.2L; Compatible with Oldsmobile Bravada 2002-2004 L6 4.2L; Compatible with Saab 9-7x 2005-2009 L6 4.2L
[Package Content]: This Kit Included: 1x Pulley With Bearing, 1x Front Plate, 1x Electromagnetic Coil. Please confirm that this AC Compressor Clutch Kit for car will fit your car by using Amazon’s garage
[Special Note]: Please enter your vehicle information in the top left corner of the listing and check our Special Notes before ordering
[Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted A/C Compressor Clutch Kit. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind

Bestseller No. 9

A-Premium Air Conditioner AC Compressor with Clutch Compatible with Chevrolet Trailblazer, Trailblazer EXT & GMC Envoy, Envoy XL XUV & Buick Rainier & Isuzu Ascender & Oldsmobile Bravada & Saab 9-7x

[Specifications]: ①Compressor Style: TRSA12; ②Pulley Groove Quantity: 6; ③Clutch Included: Yes; ④Oil Prefilled: 120ml (10ml tolerance)
[Vehicle Fitment]: Compatible with Chevrolet Trailblazer 2002-2009 4.2L, Trailblazer EXT 2002-2006 4.2L; Compatible with GMC Envoy 2002-2009 4.2L, Envoy XL 2002-2006 4.2L, Envoy XUV 2005 4.2L; Compatible with Isuzu Ascender 2003-2008 4.2L; Compatible with Oldsmobile Bravada 2002-2004 4.2L; Compatible with Saab 9-7x 2005-2009 4.2L; Compatible with Buick Rainier 2004-2007 4.2L
[OE Performance]: Confirm that this AC Compressor for car will fit your car by using Amazon’s garage. Please make sure to match photos with your existing a/c compressor
[Reference Number]: 77561, 78561, 10366868, 10399367, 15070473, 15198475, 25825339, 25825341, 8103668680, 8103993670, 8150704730, 8151984750, 8258253390, 8888927430, 88892743, 89038601, 19193658
[Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted Air Conditioning Compressor . We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind

Bestseller No. 10

TadaMark A/C Air Conditioner Compressor Clutch Fit for Chevy for Trailblazer 2002-2009 Fit for GMC for Envoy 2002-2009 Fit for Oldsmobile for Bravada 2002-2004 Fit for Saab 9-7x 4.2L 2005-2009

【Compatibility】New air compressor fit for GMC for Envoy 2002-2009, for Envoy XL 2002-2006, for Envoy XUV 2004-2005, Fit for Chevy for Trailblazer 2002-2009, for Trailblazer EXT 2002-2006, for Rainier 2004-2007, Fit for Oldsmobile for Bravad 2002-2004, Fit for Isuzu for Ascender 2003-2008, Fit for Saab 9-7x 2005-2009
【AC Compressor Part Number】1521182, 1521727, 1521731, 1099655, 1099686, 1099716, 6511418, 637561, CS10054, 77561, 78561, 2041570, 15070473, 25825339, 25825341, 6511418, 7511418, 363450NA, 14SD3450NC, 2557N, 3450, 3452, 3454, 3456, 4910, 10349190, 10349191, 8258253390, C2646, 0610103, TEM275517, TEM254427, 254427, 275517, 2003450AM, DW77561, 77561
【Product Specifications】TRSA12 Compressor; Grooves 6; Pulley Diameter (mm) 100; OIL TYPE:PAG 100；R-efrigerant Type:R134a；Oil Prefilled:120±10ML
【Important Note】If the old compressor is damaged, the entire air conditioning system must be disassembled , and all parts must be cleaned. New compressor can be installed only after the cleaning agent is completely evaporated.
【Satisfaction Service】Our air conditioning compressors come with one year guarantee.If you have any questions, please feel free to tell us via message, we will help you at any time. Your satisfaction is our priority.

Common Air Conditioner Problems in GMC Envoy

As a GMC Envoy owner, you may have encountered various air conditioner issues that can disrupt your driving experience. Let’s dive into the most common problems faced by GMC Envoy owners when it comes to their air conditioning systems and explore the solutions to these problems.

Lack of Cool Air

One of the most frustrating air conditioner problems in GMC Envoy is a lack of cool air. If you’ve noticed that the air blowing from the vents is not as cold as it should be, there are a few potential causes to consider:

Low Refrigerant Level

One possible reason for the lack of cool air is a low refrigerant level in your GMC Envoy’s air conditioning system. Refrigerant is responsible for cooling the air before it is blown into the cabin. If the refrigerant level is low, it can result in reduced cooling performance.

To solve this problem, you will need to have your GMC Envoy’s air conditioning system checked for leaks and have any necessary repairs performed. A professional technician can recharge the system with the appropriate amount of refrigerant to ensure optimal cooling performance.

Blocked or Dirty Condenser Unit

Another common cause of a lack of cool air in GMC Envoy air conditioners is a blocked or dirty condenser unit. The condenser unit plays a crucial role in releasing heat from the refrigerant, allowing it to cool down effectively.

If the condenser unit becomes blocked by debris, such as leaves or dirt, or if it is covered in dust and grime, it can hinder the cooling process and result in warmer air blowing from the vents.

To address this issue, you can carefully clean the condenser unit, removing any debris or dirt that may be obstructing its functionality. Be sure to follow the manufacturer’s instructions and use the appropriate cleaning materials to avoid causing any damage.

Malfunctioning Compressor

A malfunctioning compressor can also contribute to a lack of cool air in your GMC Envoy’s air conditioning system. The compressor is responsible for pressurizing the refrigerant and circulating it through the system.

If the compressor is not functioning correctly, it may not be able to adequately cool the refrigerant, resulting in warmer air blowing from the vents.

In this case, it is recommended to have your GMC Envoy inspected by a qualified technician. They can diagnose any issues with the compressor and determine if it needs to be repaired or replaced.

Unusual Odors

Another common problem faced by GMC Envoy owners is the presence of unusual odors coming from the air conditioning system, this unusal odors problem is also present even in the GMC Canyon. These odors can range from musty and moldy smells to foul and rotten scents. Here are some possible causes and solutions:

Mold and Mildew Growth

If you detect a musty or moldy odor when you turn on your GMC Envoy’s air conditioner, it is likely due to mold and mildew growth within the system. Moisture can accumulate in the system, creating an ideal environment for these microorganisms to thrive.

To address this issue, you can use an air conditioning system cleaner specifically designed to eliminate mold and mildew. Follow the instructions provided with the cleaner to effectively remove the unwanted odor-causing agents and prevent further growth.

Clogged Drain Tube

In some cases, a foul and rotten odor from the air conditioning system can be traced back to a clogged drain tube. The drain tube is responsible for removing the condensation that accumulates during the cooling process.

If the drain tube becomes blocked or clogged, the trapped moisture can lead to the growth of bacteria and mold, resulting in unpleasant odors.

To fix this issue, locate the drain tube in your GMC Envoy and carefully clean it using a suitable cleaning tool. It’s important to ensure that the tube is clear and unobstructed to allow proper drainage.

Strange Noises

Strange noises coming from your GMC Envoy’s air conditioning system can be both annoying and concerning. Here are some potential causes and solutions for these unusual sounds:

Blower Motor Issues

If you hear a squeaking or screeching noise when you turn on your GMC Envoy’s air conditioner, it may indicate a problem with the blower motor. The blower motor is responsible for circulating the cooled air throughout the cabin.

In this case, it is recommended to have the blower motor inspected and, if necessary, replaced by a qualified technician. A faulty blower motor can lead to reduced air circulation and potentially more severe issues if left unaddressed.

Refrigerant Leak

If you notice a hissing or bubbling noise coming from your GMC Envoy’s air conditioning system, it may indicate a refrigerant leak. A refrigerant leak can result in reduced cooling performance and other air conditioner problems.

If you suspect a refrigerant leak, it is crucial to have your GMC Envoy inspected and repaired by a professional technician. They can locate the source of the leak, repair it, and recharge the system with the appropriate amount of refrigerant.

Dealing with air conditioner problems in your GMC Envoy can be frustrating, but with the right knowledge and solutions, you can get your air conditioning system back to optimal functionality. By addressing common issues such as a lack of cool air, unusual odors, and strange noises, you can enjoy a comfortable and pleasant driving experience.

Remember to consult a professional technician if you are unsure about any repairs or if the problems persist despite your efforts. Regular maintenance and prompt attention to air conditioner issues can help prolong the lifespan of your GMC Envoy’s air conditioning system and ensure that it performs at its best.

How to Fix Car AC that Blows Hot Air (AC Compressor)

Frequently Asked Questions (FAQ)

What are common air conditioner problems in GMC Envoy?

Common air conditioner problems in GMC Envoy include lack of cold air, strange noises, and electrical issues.

Why is my GMC Envoy’s air conditioner blowing warm air?

The air conditioner may blow warm air due to low refrigerant levels, a faulty compressor, or a clogged filter.

What should I do if my GMC Envoy’s air conditioner is making strange noises?

If the air conditioner is making strange noises, it is best to have it inspected by a professional to identify and fix the issue.

Why does my GMC Envoy’s air conditioner keep turning off and on?

The air conditioner may turn off and on due to a faulty thermostat, a malfunctioning sensor, or an electrical issue.

Can I fix air conditioner problems in my GMC Envoy by myself?

It is recommended to have a professional diagnose and fix air conditioner problems in GMC Envoy for optimal results and safety.

Conclusion: Common Air Conditioner Problems in GMC Envoy and Solutions

In conclusion, GMC Envoy owners may encounter various air conditioner problems that can affect their driving experience. The most common issues include a lack of cool air, unusual odors, and strange noises coming from the air conditioning system.

A lack of cool air can be caused by a low refrigerant level or a blocked or dirty condenser unit. To address these problems, it is important to have the air conditioning system checked for leaks, perform any necessary repairs, and recharge the system with the appropriate amount of refrigerant.

Cleaning the condenser unit can also help improve cooling performance. Unusual odors, such as musty or moldy smells, can be due to mold and mildew growth within the system or a clogged drain tube. Using a specialized air conditioning system cleaner and cleaning the drain tube can help eliminate these odors and prevent further growth.

Strange noises, such as squeaking or hissing sounds, can indicate issues with the blower motor or a refrigerant leak. Having the blower motor inspected and replaced if necessary, as well as repairing any refrigerant leaks, is crucial to ensure proper air circulation and cooling performance. It is important to consult a professional technician if unsure about any repairs or if the problems persist.

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Solving Gmc Envoy Air Conditioner Problems: Tips And Solutions

Common Air Conditioner Problems in GMC Envoy