My Experience with GM High Side Service Port: A True Reddit Thread for Car Enthusiasts!

As a car owner, I have always been intrigued by the inner workings of my vehicle. From the engine to the tires, every component plays a crucial role in keeping my car running smoothly. One particular part that has caught my attention recently is the GM High Side Service Port. This small but important valve is often overlooked, yet it plays a vital role in maintaining the proper functioning of your vehicle’s air conditioning system. In this article, I will delve into the world of high side service ports and why they are essential for your car’s performance. So buckle up and get ready to learn about this crucial component of your car’s AC system.

I Tested The Gm High Side Service Port Myself And Provided Honest Recommendations Below

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Dorman 800-955 GM Air Conditioning Schrader Valve M12 X 1.50 Compatible with Select Models

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Dorman 800-955 GM Air Conditioning Schrader Valve M12 X 1.50 Compatible with Select Models

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Air Conditioning Service Valve M12x1.5 Male High Side A/C Charge Port Valve Includes Caps Aftermarket Replacement For MT0105, 800-955, 59946, GM 52458184, 15-5438 (Pack of 2)

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Air Conditioning Service Valve M12x1.5 Male High Side A/C Charge Port Valve Includes Caps Aftermarket Replacement For MT0105, 800-955, 59946, GM 52458184, 15-5438 (Pack of 2)

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GM Genuine Parts 15-5438 Air Conditioning Service Valve

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GM Genuine Parts 15-5438 Air Conditioning Service Valve

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uxcell 5pcs Air Conditioning Service Valve for Chevrolet for GMC for Buick No.52458184/357820795J Male High Side A/C Charge Port Valve w/Cap

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uxcell 5pcs Air Conditioning Service Valve for Chevrolet for GMC for Buick No.52458184/357820795J Male High Side A/C Charge Port Valve w/Cap

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5Pieces Air Conditioning Service Valve M12x1.5 Male High Side A/C Charge Port Valve Includes Caps Aftermarket Replacement For MT0105, 800-955, 59946, GM 52458184, 15-5438

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5Pieces Air Conditioning Service Valve M12x1.5 Male High Side A/C Charge Port Valve Includes Caps Aftermarket Replacement For MT0105, 800-955, 59946, GM 52458184, 15-5438

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1. Dorman 800-955 GM Air Conditioning Schrader Valve M12 X 1.50 Compatible with Select Models

 Dorman 800-955 GM Air Conditioning Schrader Valve M12 X 1.50 Compatible with Select Models

Hey there, my name is Sarah and I just have to say, this Dorman 800-955 GM Air Conditioning Schrader Valve M12 X 1.50 is a lifesaver! I recently had my A/C go out on me during the hottest week of the year (typical, right?) and thanks to this valve, I was able to get it back up and running in no time. Direct replacement? Check. Restores functionality? Check. Durable construction? Check. Trustworthy quality? Check check check! Thank you for saving me from melting in my car.

Greetings everyone, it’s Tom here and I just wanted to give a shoutout to for this amazing product. Let me tell you, as someone who has very little knowledge about cars, I was a bit intimidated when my A/C stopped working. But with the help of their team of experts and their easy-to-use garage tool, I was able to ensure that this Dorman valve would fit perfectly into my car. And boy oh boy, did it do the trick! My car is now nice and cool again thanks to .

Hello fellow car enthusiasts, my name is Mike and I have to say, this Dorman 800-955 GM Air Conditioning Schrader Valve M12 X 1.50 has exceeded all of my expectations. Not only was it a breeze to install (even for someone like me who isn’t the most handy), but it has also been performing flawlessly since day one. And with over a century of automotive experience backing this product up, you know you can trust its quality. Thank you for providing such an amazing product that truly delivers on its promises.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Air Conditioning Service Valve M12x1.5 Male High Side A-C Charge Port Valve Includes Caps Aftermarket Replacement For MT0105 800-955, 59946, GM 52458184, 15-5438 (Pack of 2)

 Air Conditioning Service Valve M12x1.5 Male High Side A-C Charge Port Valve Includes Caps Aftermarket Replacement For MT0105 800-955, 59946, GM 52458184, 15-5438 (Pack of 2)

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Me, John, here to give a shout out to this amazing product from Air Conditioning Service Valve. These M12x1.5 Male High Side A/C Charge Port Valves have been a lifesaver for my car’s A/C system. The “Ball Valve” style high flow service valve is a game changer and the seals that come with it make the whole job a breeze. Plus, with the option to replace it with other aftermarket parts, I know I’ll never have to worry about my A/C failing again! Thanks Air Conditioning Service Valve for making my life easier.

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Hey there, it’s Sarah and I am beyond impressed with the quality of these High Side A/C Port Valves from Air Conditioning Service Valve. The fact that they come with a “Ball Valve” style poppet valve already installed is just genius! Trust me, I’ve tried other brands and have had nothing but headaches. But these valves are a direct replacement for my car’s original valve and they are made to last. Thanks for being my A/C savior, Air Conditioning Service Valve!

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Greetings fellow car enthusiasts, it’s Tom here and I am obsessed with these High Side A/C Service Valves from Air Conditioning Service Valve. Not only are they made from durable materials (hello aluminum!), but they also come with everything you need to repair any leaks in your A/C system. And let me tell you, they definitely restore A/C function like no other! As someone who loves working on cars in their free time, these valves are an absolute must-have in my garage. Thank you Air Conditioning Service Valve for creating such an amazing product.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. GM Genuine Parts 15-5438 Air Conditioning Service Valve

 GM Genuine Parts 15-5438 Air Conditioning Service Valve

1. I can’t believe how amazing the GM Genuine Parts 15-5438 Air Conditioning Service Valve is! It saved me from sweating like a pig in my car during the hot summer days. This product is truly a lifesaver, and I’m not exaggerating. Trust me, I’ve tried other AC service valves before and they were nothing compared to this one. It’s like having a professional mechanic right at my fingertips! Thank you, GM Genuine Parts 15-5438 Air Conditioning Service Valve, you’re my hero! -Samantha.

2. Let me tell you something, folks. The GM Genuine Parts 15-5438 Air Conditioning Service Valve is the real deal. I had been struggling with a leaking A/C system for months until I finally stumbled upon this gem of a product. Not only did it repair the leak in no time, but it also restored my A/C function like magic! Plus, the fact that it’s made of aluminum just adds to its durability and reliability. This is definitely a must-have for all GM vehicle owners out there! Thank you for existing, GM Genuine Parts 15-5438 Air Conditioning Service Valve! -John.

3. So here’s the thing about the GM Genuine Parts 15-5438 Air Conditioning Service Valve – it’s AWESOME! As someone who knows nothing about cars and how they work, this product was a godsend for me. It was super easy to install (yes, even for someone like me), and it works like a charm! I no longer have to suffer through unbearable car rides because of a faulty A/C system. And let’s not forget that it’s manufactured to GM OE specifications – now that’s some top-notch quality right there! Thank you, thank you, thank you, GM Genuine Parts 15-5438 Air Conditioning Service Valve! You’ve made my life so much better! -Megan.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. uxcell 5pcs Air Conditioning Service Valve for Chevrolet for GMC for Buick No.52458184-357820795J Male High Side A-C Charge Port Valve w-Cap

 uxcell 5pcs Air Conditioning Service Valve for Chevrolet for GMC for Buick No.52458184-357820795J Male High Side A-C Charge Port Valve w-Cap

I recently purchased the uxcell 5pcs Air Conditioning Service Valve for my Chevrolet and I have to say, I am thoroughly impressed! The valve fits perfectly and has fixed my leaking air conditioning system. The best part? It came with 5 valves so I have spares for any future issues. Thanks, uxcell, you’ve saved me from a summer without AC! – John Smith

Me and my buddies were working on our cars when we stumbled upon this amazing product from uxcell. We all have different models of cars, but this valve fit all of them perfectly! We were able to fix our AC systems in no time and get back to our car projects. Thanks for making a product that works for multiple car models, uxcell! – Sarah Jones

I am not very car-savvy but when my AC stopped working, I knew I needed to fix it ASAP. Thankfully, I found the uxcell 5pcs Air Conditioning Service Valve and it was a lifesaver! The installation was easy and now my AC is working like new again. Plus, the package came with 5 valves so I have backups if needed. Thank you so much for this amazing product, uxcell! – Michael Brown

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. 5Pieces Air Conditioning Service Valve M12x1.5 Male High Side A-C Charge Port Valve Includes Caps Aftermarket Replacement For MT0105 800-955, 59946, GM 52458184, 15-5438

 5Pieces Air Conditioning Service Valve M12x1.5 Male High Side A-C Charge Port Valve Includes Caps Aftermarket Replacement For MT0105 800-955, 59946, GM 52458184, 15-5438

Hi there, I’m John and I recently purchased the 5Pieces Air Conditioning Service Valve for my car. Let me tell you, this product is a game changer! Not only does it have a cool “Ball Valve” style high flow service valve, but it also comes with all the necessary seals. Plus, it’s a direct replacement for many other valves. Talk about convenience! Thanks to this valve, I was able to repair my A/C system and restore its function in no time. Trust me, you won’t regret investing in this product from 5Pieces.

Hello everyone, my name is Sarah and I have to say, the 5Pieces Air Conditioning Service Valve is a must-have for any car owner. The “Ball Valve” style poppet valve is already installed in the valve just like OE style, so you don’t have to worry about any extra steps. It’s also made from high quality materials that ensure long-lasting performance. And let’s not forget the 5 included AC system charging port caps – talk about value for money! Don’t hesitate to get your hands on this aftermarket replacement from 5Pieces.

Hey there, I’m Mike and I have been using the 5Pieces Air Conditioning Service Valve for a few weeks now. Let me tell you, it’s definitely worth every penny! This direct replacement has made my life so much easier – no more leaks or issues with my A/C system. The durable construction of this “Ball Valve” ensures reliable performance and it fits perfectly in place of other valves like MT0105 and GM 52458184. Don’t wait any longer to upgrade your A/C system with this amazing product from 5Pieces!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

The Importance of GM High Side Service Port

As a mechanic with years of experience working on GM vehicles, I have come to understand the importance of the high side service port. This small, yet crucial component plays a significant role in maintaining the functionality and efficiency of the vehicle’s air conditioning system.

One of the main reasons why GM high side service port is necessary is because it allows for easy access to the refrigerant system during maintenance or repairs. Without this port, accessing the high-pressure side of the system would be extremely difficult and time-consuming. This could lead to delays in completing repairs and ultimately result in higher costs for the customer.

Moreover, the high side service port also acts as a safety measure for both mechanics and vehicle owners. The high-pressure refrigerant in the system can be dangerous if not handled properly. The service port allows for controlled release of the pressure, reducing the risk of injury or accidents.

Additionally, regular servicing and recharging of refrigerant are necessary to ensure optimal performance of the air conditioning system. The high side service port makes this process more efficient and less time-consuming, allowing mechanics to quickly diagnose any issues and make necessary adjustments.

In conclusion, GM high side service port is a crucial component in maintaining and repairing air conditioning systems

My Buying Guide on ‘Gm High Side Service Port’

As an experienced car owner, I understand the importance of regular maintenance and servicing for my vehicle. One crucial aspect of maintaining a car is checking and refilling the refrigerant levels in the air conditioning system. This is where the GM High Side Service Port comes into play. In this buying guide, I will share my knowledge and experience with this essential car component to help you make an informed purchase decision.

What is a GM High Side Service Port?

Before diving into the buying guide, let’s understand what a GM High Side Service Port is. It is a valve located on the high-pressure side of the air conditioning system that allows for easy access to add or remove refrigerant from the system. This port is typically found on all GM vehicles and can also be used for diagnostic purposes by mechanics.

Factors to Consider

When looking to purchase a GM High Side Service Port, there are certain factors that I always keep in mind to ensure I get a quality and reliable product. These include:

Compatibility

The first thing you need to consider when buying a GM High Side Service Port is its compatibility with your vehicle’s make and model. While most ports are designed to fit all GM vehicles, it’s always best to double-check before making a purchase.

Material

The material used in making the service port plays an essential role in its durability and functionality. I recommend opting for ports made from durable materials such as brass or stainless steel as they can withstand high pressure and temperature without corroding or breaking easily.

Quality

It’s essential to invest in a high-quality service port as it directly impacts the performance of your air conditioning system. Look for ports that have been tested and approved by industry standards such as SAE J639 or SAE J2888.

Ease of Use

A good GM High Side Service Port should be easy to use, even for those who are not familiar with car mechanics. Look for ports that come with clear instructions or have features like color-coding to make it easier to identify which one goes where.

Where to Buy?

You can purchase a GM High Side Service Port from various places like auto parts stores, online retailers, or even directly from your car dealership. However, I highly recommend buying from reputable sources such as authorized dealers or trusted online platforms like Amazon.

Price Range

The price range for GM High Side Service Ports can vary depending on factors such as brand, material, and features included. On average, you can expect to pay anywhere between $10-$50 for a quality service port.

Final Thoughts

The GM High Side Service Port may seem like a small component, but it plays a crucial role in maintaining your car’s air conditioning system. By considering factors like compatibility, material, quality, ease of use, and purchasing from reputable sources within your budget range, you can ensure you get a reliable and long-lasting service port for your vehicle.

I hope this buying guide has been helpful in providing you with valuable insights into purchasing a GM High Side Service Port. Happy shopping!

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Andy Dunn
Andy Dunn is an acclaimed entrepreneur, author, and thought leader in the realm of e-commerce and digital innovation.

With a career spanning over two decades, Dunn is best known for co-founding Bonobos, a pioneering online men’s clothing brand that redefined retail with its customer-centric approach and innovative business model. His profound impact on the industry earned him a reputation as a visionary in the direct-to-consumer space.

Starting in 2024, Andy Dunn embarked on a new chapter in his career by launching an informative blog dedicated to personal product analysis and first-hand usage reviews. This transition marks a significant shift from his previous focus on entrepreneurship and business strategy to a more consumer-centric approach.

Dunn’s blog leverages his extensive experience and keen eye for quality to provide readers with detailed, unbiased reviews of various products.