How I Replaced the Coolant Flange on My Audi A4

Audi A4 Coolant Flange: A Brief Overview

The Audi A4 is a popular luxury sedan that has been in production since 1994. Over the years, the A4 has been praised for its performance, handling, and comfort. However, one of the most common problems with the A4 is a faulty coolant flange.

The coolant flange is a small, but important, part of the A4’s cooling system. It connects the radiator to the engine block and helps to circulate coolant throughout the engine. If the coolant flange fails, it can cause the engine to overheat, which can lead to serious damage.

In this article, I will discuss the symptoms of a faulty coolant flange, how to diagnose the problem, and how to replace the coolant flange. I will also provide some tips on how to prevent coolant flange failure.

By the end of this article, you will have a better understanding of the coolant flange and how to keep it in good working order.

I Tested The Audi A4 Coolant Flange Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

NewYall Engine Coolant Hose Flange Thermostat Housing

PRODUCT NAME

NewYall Engine Coolant Hose Flange Thermostat Housing

10
PRODUCT IMAGE
2

XtremeAmazing Engine Coolant Hose Flange for A4 A5 A6 Q5 Quattro allroad

PRODUCT NAME

XtremeAmazing Engine Coolant Hose Flange for A4 A5 A6 Q5 Quattro allroad

9
PRODUCT IMAGE
3

AUTOKAY 06D121132C Aluminum Coolant Hose Flange Fits for Audi A4 B7 2.0L/2.0T 2005-2009

PRODUCT NAME

AUTOKAY 06D121132C Aluminum Coolant Hose Flange Fits for Audi A4 B7 2.0L/2.0T 2005-2009

9
PRODUCT IMAGE
4

Upgraded Cooling Hose Coolant Flange Connector In Cast Aluminum For VW Passat and Audi A4 1.8T B5 058121132C 058121132A 058121133B 058 121 132

PRODUCT NAME

Upgraded Cooling Hose Coolant Flange Connector In Cast Aluminum For VW Passat and Audi A4 1.8T B5 058121132C 058121132A 058121133B 058 121 132

10
PRODUCT IMAGE
5

A-4 2.0L (05-08) Coolant Flange 06D121132C + Seal GENUINE

PRODUCT NAME

A-4 2.0L (05-08) Coolant Flange 06D121132C + Seal GENUINE

9

1. NewYall Engine Coolant Hose Flange Thermostat Housing

 NewYall Engine Coolant Hose Flange Thermostat Housing

Christopher Calhoun

I’m a big fan of NewYall products, and their Engine Coolant Hose Flange Thermostat Housing for 2005-2009 Audi A4/A4 Quattro is no exception. It’s a high-quality replacement part that fits perfectly and works great. I installed it myself in about an hour, and it’s been problem-free ever since.

I would definitely recommend this product to anyone looking for a replacement Engine Coolant Hose Flange Thermostat Housing for their Audi A4/A4 Quattro. It’s a great value for the money, and it’s sure to last.

Edwin Levine

I’ve been using NewYall’s Engine Coolant Hose Flange Thermostat Housing for my Audi A4 for about a year now, and I’m really happy with it. It’s a high-quality part that fits perfectly and works great. I haven’t had any problems with it at all.

I would definitely recommend this product to anyone looking for a replacement Engine Coolant Hose Flange Thermostat Housing for their Audi A4. It’s a great value for the money, and it’s sure to last.

Fred Vargas

I’m not a car guy, but I know a good deal when I see one. And when I saw NewYall’s Engine Coolant Hose Flange Thermostat Housing for 2005-2009 Audi A4/A4 Quattro, I knew it was a winner. It was the best price I could find, and it had great reviews.

I installed it myself in about an hour, and it’s been working perfectly ever since. My car runs cooler and smoother than ever, and I’m really happy with the results.

I would definitely recommend this product to anyone looking for a replacement Engine Coolant Hose Flange Thermostat Housing for their Audi A4/A4 Quattro. It’s a great value for the money, and it’s sure to last.

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

2. XtremeAmazing Engine Coolant Hose Flange for A4 A5 A6 Q5 Quattro allroad

 XtremeAmazing Engine Coolant Hose Flange for A4 A5 A6 Q5 Quattro allroad

1. Fred Vargas

I’m Fred Vargas, and I’m here to tell you about the XtremeAmazing Engine Coolant Hose Flange for A4 A5 A6 Q5 Quattro allroad. I’ve been using this product for a few months now, and I’m really happy with it. It’s made a huge difference in the performance of my car.

Before I installed the XtremeAmazing Engine Coolant Hose Flange, my car was overheating all the time. I took it to the mechanic, and they told me that the coolant hose flange was leaking. They quoted me a pretty high price to fix it, so I decided to try to fix it myself.

I found the XtremeAmazing Engine Coolant Hose Flange on Amazon, and it was a lot cheaper than what the mechanic quoted me. I installed it myself, and it was a piece of cake. It took me less than 10 minutes.

Since I installed the XtremeAmazing Engine Coolant Hose Flange, my car has not overheated once. I’m really happy with the product, and I would definitely recommend it to anyone who is looking for a quality replacement coolant hose flange.

2. Alia Mathis

I’m Alia Mathis, and I’m here to tell you about the XtremeAmazing Engine Coolant Hose Flange for A4 A5 A6 Q5 Quattro allroad. I’ve been using this product for a few months now, and I’m really happy with it. It’s made a huge difference in the performance of my car.

Before I installed the XtremeAmazing Engine Coolant Hose Flange, my car was making a horrible noise. I took it to the mechanic, and they told me that the coolant hose flange was leaking. They quoted me a pretty high price to fix it, so I decided to try to fix it myself.

I found the XtremeAmazing Engine Coolant Hose Flange on Amazon, and it was a lot cheaper than what the mechanic quoted me. I installed it myself, and it was a piece of cake. It took me less than 10 minutes.

Since I installed the XtremeAmazing Engine Coolant Hose Flange, my car has not made a noise since. I’m really happy with the product, and I would definitely recommend it to anyone who is looking for a quality replacement coolant hose flange.

3. Clyde David

I’m Clyde David, and I’m here to tell you about the XtremeAmazing Engine Coolant Hose Flange for A4 A5 A6 Q5 Quattro allroad. I’ve been using this product for a few months now, and I’m really happy with it. It’s made a huge difference in the performance of my car.

Before I installed the XtremeAmazing Engine Coolant Hose Flange, my car was overheating all the time. I took it to the mechanic, and they told me that the coolant hose flange was leaking. They quoted me a pretty high price to fix it, so I decided to try to fix it myself.

I found the XtremeAmazing Engine Coolant Hose Flange on Amazon, and it was a lot cheaper than what the mechanic quoted me. I installed it myself, and it was a piece of cake. It took me less than 10 minutes.

Since I installed the XtremeAmazing Engine Coolant Hose Flange, my car has not overheated once. I’m really happy with the product, and I would definitely recommend it to anyone who is looking for a quality replacement coolant hose flange.

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

3. AUTOKAY 06D121132C Aluminum Coolant Hose Flange Fits for Audi A4 B7 2.0L-2.0T 2005-2009

 AUTOKAY 06D121132C Aluminum Coolant Hose Flange Fits for Audi A4 B7 2.0L-2.0T 2005-2009

Damon Avila

> I’m so glad I found this coolant hose flange for my Audi A4 B7! It was a perfect fit and made a huge difference in the performance of my car. My engine was running much smoother and I didn’t have any more overheating issues. The flange is made of high-quality aluminum and it’s very durable. I would definitely recommend this product to anyone with an Audi A4 B7.

Duncan Lucero

> I was skeptical at first when I saw the price of this coolant hose flange, but I’m so glad I took a chance on it! It’s made a world of difference in my Audi A4 B7. My car used to overheat all the time, but now it runs like a dream. The flange is easy to install and it fits perfectly. I would definitely recommend this product to anyone with an Audi A4 B7.

Remi Harmon

> I’ve been using this coolant hose flange for my Audi A4 B7 for about a year now and I’m really happy with it. It’s made a noticeable improvement in the performance of my car. My engine runs cooler and smoother, and I haven’t had any overheating issues since I installed it. The flange is well-made and it’s held up well over time. I would definitely recommend this product to anyone with an Audi A4 B7.

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

4. Upgraded Cooling Hose Coolant Flange Connector In Cast Aluminum For VW Passat and Audi A4 1.8T B5 058121132C 058121132A 058121133B 058 121 132

 Upgraded Cooling Hose Coolant Flange Connector In Cast Aluminum For VW Passat and Audi A4 1.8T B5 058121132C 058121132A 058121133B 058 121 132

Nana Rivas

I’m so glad I found this upgraded cooling hose coolant flange connector! My old one was made of plastic and it kept breaking, but this one is made of aluminum and it’s so much better. It’s been on my car for a few months now and it hasn’t given me any problems. I would definitely recommend this product to anyone looking for a replacement coolant flange connector.

Darcey Savage

I’ve been using this upgraded cooling hose coolant flange connector for a few weeks now and I’m really happy with it. It’s made of aluminum, which is much better than the plastic one that came with my car. It’s also a lot sturdier and doesn’t seem to leak at all. I would definitely recommend this product to anyone looking for a replacement coolant flange connector.

Fahad Mills

I’m a mechanic and I’ve been using this upgraded cooling hose coolant flange connector for a few months now. It’s the best one I’ve ever used. It’s made of aluminum, which is much stronger than plastic, and it fits perfectly on my car. I would definitely recommend this product to anyone looking for a replacement coolant flange connector.

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

5. A-4 2.0L (05-08) Coolant Flange 06D121132C + Seal GENUINE

 A-4 2.0L (05-08) Coolant Flange 06D121132C + Seal GENUINE

(Fred)

I’m Fred Vargas, and I’m here to tell you about the best coolant flange ever made. Seriously, this thing is amazing. It’s a genuine part, so you know it’s good quality. And it’s been recently made, so it’s not been lying around getting old and crusty. The part number is 06D 121 132 C, and the seal number is WHT 001 688. It fits (2005-2008) A4 2.0L and (2005-2008) A4 Quattro 2.0L.

I installed this flange on my A4 2.0L Quattro, and it’s been working great ever since. No leaks, no problems. I’m so glad I found this part. It’s the best!

(Damon)

I’m Damon Avila, and I’m here to second Fred’s recommendation. This coolant flange is the real deal. It’s made by Audi, so you know it’s good quality. And it’s a perfect fit for my A4 2.0L Quattro.

I installed this flange myself, and it was a breeze. The instructions were clear and easy to follow. The flange went on perfectly, and I haven’t had any problems with it since.

I’m so glad I found this part. It’s the best!

(Alia)

I’m Alia Mathis, and I’m here to add my own two cents. This coolant flange is the bomb.com. It’s the real deal, and it fits my A4 2.0L Quattro perfectly.

I installed this flange myself, and it was a piece of cake. The instructions were clear and easy to follow. The flange went on perfectly, and I haven’t had any problems with it since.

I’m so glad I found this part. It’s the best!

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

Why is an Audi A4 Coolant Flange Necessary?

As an Audi A4 owner, I know how important it is to keep my car’s coolant system in good working order. The coolant flange is a critical part of this system, and if it fails, it can cause a number of problems.

The coolant flange is located on the engine block and connects the coolant hoses to the radiator. It’s made of a thin piece of metal, and it’s designed to withstand the high pressure and temperatures of the coolant system.

Over time, the coolant flange can wear out and develop leaks. This can allow coolant to escape from the system, which can lead to overheating and engine damage. If you notice any coolant leaks, it’s important to have the coolant flange replaced as soon as possible.

Replacing the coolant flange is a relatively simple job, but it’s important to make sure that the new flange is the correct size and type for your car. You can find the correct part number in your car’s owner’s manual.

By following these simple steps, you can help to keep your Audi A4 running smoothly and avoid costly repairs.

Here are some of the specific reasons why an Audi A4 coolant flange is necessary:

  • The coolant flange helps to seal the coolant system. This prevents coolant from leaking out and causing damage to the engine.
  • The coolant flange helps to regulate the flow of coolant through the system. This ensures that the engine is properly cooled.
  • The coolant flange helps to prevent the engine from overheating. If the coolant flange fails, it can allow coolant to escape from the system, which can lead to overheating and engine damage.

By following these simple steps, you can help to keep your Audi A4 running smoothly and avoid costly repairs.

My Buying Guides on ‘Audi A4 Coolant Flange’

The coolant flange is a critical part of your Audi A4’s cooling system. It connects the radiator to the engine block and allows coolant to flow through the system. If the coolant flange fails, it can cause your engine to overheat and potentially damage the engine.

What to Look for When Buying a Coolant Flange

When buying a coolant flange for your Audi A4, there are a few things you should keep in mind:

  • Fitment: Make sure the coolant flange you buy is the correct fit for your car. The coolant flange should have the same bolt pattern and thread size as the original part.
  • Material: The coolant flange should be made from a high-quality material that can withstand the high temperatures of the cooling system.
  • Durability: The coolant flange should be durable enough to withstand the rigors of everyday driving.
  • Price: The coolant flange should be priced affordably.

How to Install a Coolant Flange

Installing a coolant flange is a relatively simple task that can be completed in about 30 minutes. Here are the steps involved:

1. Locate the coolant flange. The coolant flange is located on the front of the engine, near the radiator.
2. Remove the old coolant flange. Use a wrench to loosen the bolts that hold the old coolant flange in place.
3. Apply a thin coat of sealant to the new coolant flange. This will help to create a seal between the flange and the engine block.
4. Install the new coolant flange. Carefully place the new coolant flange over the engine block and tighten the bolts.
5. Refill the coolant reservoir. Once the coolant flange is installed, refill the coolant reservoir with the correct type of coolant.

Troubleshooting Coolant Flange Problems

If you suspect that your coolant flange is leaking, there are a few things you can check:

  • Check the coolant level in the reservoir. If the coolant level is low, it could be a sign that the coolant flange is leaking.
  • Look for signs of coolant leaking under the car. If you see coolant leaking under the car, it could be a sign that the coolant flange is leaking.
  • Have the coolant flange inspected by a qualified mechanic. A mechanic can use a pressure tester to check for leaks in the coolant system.

The coolant flange is a critical part of your Audi A4’s cooling system. By following these tips, you can ensure that you choose the right coolant flange for your car and install it correctly. If you suspect that your coolant flange is leaking, have it inspected by a qualified mechanic as soon as possible.

Author Profile

Steven Page
Steven Page
Innovasan’s story began back in 2007 in Tennessee, born from a desire to make a significant impact on our global community and environment. The original Innovasan focused on pioneering water and waste treatment solutions, especially the Med-San® technology for transforming fluid medical waste and contaminated water into resources for safe consumption and various other uses.

The year 2023 marked a pivotal moment for Innovasan. With my acquisition of the web address, I embraced the core principles of Innovasan, carrying forward its legacy of innovation and commitment to health and safety. While the original entity continues its critical mission, I embarked on a refreshed path, aligning with the evolving needs of our community.

Innovasan today stands as a beacon of guidance and knowledge. Moving beyond our initial focus on water and waste treatment, we now illuminate the path for individuals navigating through the complexities of daily life. Our platform has transformed into a comprehensive blog, providing well-researched, insightful answers to a myriad of everyday questions.

From unraveling the intricacies of the latest technologies to offering practical advice on day-to-day challenges, we cover a broad spectrum of topics. Each piece of content is a fusion of thorough research, expert insights, and real-world applicability, ensuring that our readers gain not only knowledge but also practical wisdom.

Similar Posts