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Top 10 Common Intercooler Problems and How to Solve Them

What is an Interco Blem List?

Interco Blem List

An Interco blem list is a compilation of items that are considered as blemished or imperfect products of the famous Interco Tire Corporation. The said list officially started in 1982 and continues until today. Many people are unaware of what blemished products are; hence, various misconceptions arise about Interco blem lists.

Blemished products refer to items that carry a slight defect that does not affect their overall functions. A small scratch, discoloration, or minor imperfections are examples of flaws that do not affect the product’s performance and durability. These products’ defects are minor and do not have any adverse effects on their usage. However, due to these defects, some storeowners decide to sell these products at lower prices than their original counterparts. In turn, customers can purchase the same product without breaking the bank.

Interco Tire Corporation follows the same concept with their blem lists, as it gives customers an opportunity to purchase their products at lower prices. The company’s goal in creating an interco blem list is to ensure that none of the produced items goes to waste and to provide customers with a more affordable option.

It is worth noting that not all Interco products reach the blemished list, as products must undergo a meticulous evaluation process. Every product will be closely inspected before it is deemed as a blemished item. The defects are then categorized into two types – visual and functional.

Visual blemishes are the type of defect that does not impact the product’s performance. On the other hand, functional blemishes may affect the tire’s performance but not to an extent that it renders the item unusable or unsafe. Interco Tire Corporation’s effort to evaluate their products and list them correctly on the Interco blem list shows how invested they are in their product’s quality and customer satisfaction.

The Interco blem list is updated frequently to provide customers with the most recent list of blemished Interco items. Buyers can check the list for available items and can purchase them through selected establishments or the Interco Tire Corporation’s official website. Furthermore, Interco Corporation occasionally offers discounts to items on the blem list, giving customers another reason to purchase these products.

In summary, the Interco blem list is an effort by the Interco Tire Corporation to provide customers with reasonably priced but functional products. The list undergoes a strict evaluation process to ensure that only items with minor defects are put up for sale. Keeping the blemished list up to date and offering discounts further shows Interco Corporation’s dedication to customer satisfaction.

What Causes Interco Blemishes?

Interco Blemishes

Interco blemishes, also known as pinholes or blisters, are small defects that can appear on the surface of cured and uncured rubber components. They can appear as air bubbles or small depressions, and they can cause numerous problems for manufacturers and end-users alike. Interco blemishes can be caused by a variety of factors, including improper mixing, curing, and handling processes. In this section, we’ll take a closer look at the causes of interco blemishes and how they can be prevented.

Mixing and Curing Factors

One of the most common causes of interco blemishes is improper mixing and curing processes. This can include using incorrect proportions of materials, improper mixing times, or inadequate curing temperatures and times. When rubber components are not mixed or cured properly, they can develop air pockets or other defects that can lead to interco blemishes. For example, if the rubber is not mixed long enough, it may not be properly distributed, leading to areas that are more prone to forming bubbles or blisters. Similarly, if the curing temperature is too low, it may not activate the curing agent properly, leading to defects in the final product.

To prevent interco blemishes caused by mixing and curing factors, manufacturers should take care to follow proper mixing and curing procedures. This may involve using specific mixing equipment, ensuring that materials are measured and mixed accurately, and monitoring curing temperatures and times carefully.

Environmental Factors

Environmental factors can also be a cause of interco blemishes. For example, if the rubber is exposed to moisture or humidity during the curing process, it may cause the rubber to blister or bubble. This can occur if the curing environment is not adequately controlled or if the uncured rubber is exposed to moisture before it can be cured properly. Additionally, exposure to certain chemicals or other substances may cause the rubber to react and form blemishes. For instance, if the rubber is exposed to a substance that is incompatible with its material composition, it may cause the rubber to degrade or produce defects.

To prevent interco blemishes caused by environmental factors, manufacturers should take steps to control the curing environment and ensure that the rubber is protected from exposure to moisture or other substances that may interfere with the curing process. This may involve using specialized curing equipment or ensuring that the rubber is protected from environmental factors throughout the curing process.

Handling and Shipping Factors

Finally, handling and shipping factors can also cause interco blemishes. If the rubber is mishandled during the manufacturing or shipping process, it may develop defects that lead to interco blemishes. For example, if the rubber is dropped or subjected to pressure or vibration during shipping, it may cause the rubber to develop air pockets or other defects that can lead to blemishes.

To prevent interco blemishes caused by handling and shipping factors, manufacturers should take care to properly handle and protect the rubber throughout the manufacturing process and during shipping. This may involve using specialized packaging materials and ensuring that the rubber is transported in a manner that protects it from damage.

In summary, interco blemishes are small defects that can cause significant problems for rubber manufacturers and end-users. They can be caused by a variety of factors, including improper mixing, curing, environmental factors, and handling and shipping factors. By taking care to follow proper procedures and protect the rubber from damage throughout the manufacturing and shipping process, manufacturers can help prevent interco blemishes from occurring and ensure that their products meet the highest quality standards.

The Impact of Interco Blemishes on Vehicle Performance

Interco Blemishes on Vehicle Performance

Intercooler is an essential component of any modern diesel turbocharged engine, as it is responsible for cooling the compressed air before entering the engine, which ultimately leads to an increase in engine performance.

Intercooler blemishes or defects can have a severe impact on vehicle performance. These blemishes can include cracks, leaks, and blockages, all of which can significantly affect the efficiency of the intercooler. Any adverse effect on the intercooler performance can reduce the engine power output and increase the engine operating temperature, which will eventually lead to a drop in fuel economy.

Intercooler blemishes can negatively impact the engine’s performance in several ways. For instance, a crack in the intercooler can lead to a loss of boost pressure, which can result in lower engine performance and fuel efficiency. Additionally, leaks in the intercooler can contaminate the engine with impure air, making it difficult for the engine to combust the fuel. This can lead to misfires and engine stalling, significantly impacting the overall vehicle performance.

Blocked intercoolers can also result in significant performance drops. During normal vehicle operations, intercoolers can collect several contaminants such as debris, dirt, and oil droplets that cannot be removed by air filters, and if not removed, these contaminants can accumulate and block the intercooler. These blocks can reduce the air flow through the intercooler, leading to a reduction in engine performance and an increase in operating temperature.

Intercooler blemishes or defects can also impact other components of the engine, such as the turbocharger. When the intercooler cannot work efficiently, it can lead to increased turbocharger temperatures, which can lead to premature failure or damage to the turbocharger. In this way, intercooler blemishes can have a cascading effect on other engine components.

The impact of intercooler blemishes may also differ depending on the type of vehicle and the driving conditions. For instance, a small crack in the intercooler may go unnoticed with a conventional drive, but the same crack can have a significant impact on engine performance when the vehicle is under heavy load or in hot weather conditions.

Regular maintenance and servicing are essential to prevent intercooler blemishes. The best way to avoid intercooler blemishes is to inspect the engine’s intercooler regularly for signs of damage, such as leaks or cracks. Regular cleaning of the intercooler can also help prevent clogs and blockages that may affect the engine’s performance. In addition, timely replacement of intercooler parts and components can help ensure that the engine is running smoothly and efficiently.

In conclusion, intercooler blemishes can have a negative impact on vehicle performance, from a reduction in engine power output to decreased fuel efficiency, and can lead to cascading effects on other engine components in the long run. Regular maintenance and inspection of the intercooler can help prevent these problems and ensure that the engine is running smoothly and efficiently, while proper care and maintenance can help keep the intercooler in optimal condition for an extended period.

Identifying Interco Blemishes: Signs and Symptoms

Identifying Interco Blemishes: Signs and Symptoms

An intercooler (interco) is a device that cools the air that goes into your engine’s combustion chamber. Air is heated due to the compression effect that turbochargers and superchargers provide, and that can reduce the amount of air that can be delivered to the engine. The intercooler is responsible for cooling the air and making sure that the engine is receiving the maximum amount of oxygen possible.

However, intercooler blemishes occur when this device isn’t functioning correctly, causing issues with your engine’s performance. As such, it’s essential to be able to identify these interco blemishes, and here are the signs and symptoms to look out for:

1. Decreased Power and Acceleration

Decreased Power and Acceleration

If you’ve noticed that your vehicle has lost some of its power and ability to accelerate, it could be due to an intercooler blemish. When the intercooler is damaged or dirty, it can restrict the airflow going to the engine. This reduction in airflow can cause your engine to work harder than necessary, leading to a decrease in power and acceleration.

2. Increased Engine Oil Consumption

Increased Engine Oil Consumption

If your engine is consuming more oil than it should, it could be due to an intercooler blemish. When the intercooler isn’t functioning correctly, the engine’s turbocharger or supercharger must work harder than usual, leading to increased oil consumption.

3. Black Smoke from the Exhaust

Black Smoke from the Exhaust

If you’ve noticed black smoke coming out of your car’s exhaust pipe, you should have your intercooler checked. Black smoke is a sign that the air-fuel mixture isn’t correct, and the intercooler is responsible for regulating the correct amount of oxygen that goes into the combustion chamber. An intercooler blemish can cause the engine to burn too much fuel, leading to black smoke from the exhaust pipe.

4. High Engine Temperature

High Engine Temperature

Another sign of an interco blemish is high engine temperature. When the intercooler isn’t working correctly, the engine must work harder to compensate for the reduced airflow. This increased workload can cause the engine to overheat, leading to potential engine damage if not addressed immediately. An intercooler blemish can also cause the engine coolant to heat up if the intercooler is dirty or has a blockage.


An intercooler blemish can cause severe damage to your vehicle if not addressed immediately. By understanding the signs and symptoms of interco blemishes, you can take the necessary steps to prevent long-term damage and maintain your vehicle’s performance.

Preventing and Managing Interco Blemishes in Your Vehicle

Interco blemishes are unsightly marks or scratches on the surface of your vehicle’s intercooler. These marks can happen during installation, maintenance, or even as a result of rocks or other debris on the road. While they may seem like a minor issue, interco blemishes can lead to corrosion and reduced performance if left unchecked. Here are some tips for preventing and managing interco blemishes in your vehicle.

1. Protect Your Intercooler

The first step to preventing interco blemishes is to protect your intercooler. This can be done using a variety of methods, including installing a shield or guard, adding a protective coating, or using a protective film. Each of these methods has its own benefits and drawbacks, so it’s important to choose the one that’s best for your vehicle and driving habits. A shield or guard can offer the most protection, but may also reduce airflow and performance, while a protective film may be less effective, but also less obtrusive.

2. Keep Your Vehicle Clean

A clean vehicle is less likely to have rocks or other debris that can cause interco blemishes. Regularly washing your car and removing any debris from the surface can help prevent these blemishes from occurring in the first place. Additionally, keeping your vehicle clean can help prevent corrosion and other damage to the intercooler, further reducing the risk of future blemishes and maintaining the performance of your vehicle.

3. Be Careful During Maintenance

Interco blemishes are also common during maintenance, particularly if care is not taken when removing or replacing components. When working on your vehicle’s intercooler, be sure to use the proper tools and techniques to avoid scratches and other damage. Additionally, take care to avoid dropping any tools or components onto the surface of the intercooler, as this can cause blemishes and other damage.

4. Address Blemishes Promptly

If you do notice interco blemishes on your vehicle, it’s important to address them promptly. Left unchecked, these blemishes can lead to corrosion and reduced performance over time. Depending on the severity of the blemish, it may be possible to buff it out or apply a touch-up paint to mitigate the damage. For more severe blemishes, it may be necessary to replace or repair the intercooler entirely.

5. Consider Upgrading Your Intercooler

If you frequently drive in harsh conditions or on rough roads, it may be worth considering an upgrade to your intercooler. A higher-quality intercooler can offer greater protection against blemishes, as well as improve the performance and efficiency of your vehicle. Additionally, upgrading to a larger intercooler can help further cool the intake air, which can lead to greater power and performance.

By following these tips for preventing and managing interco blemishes, you can help maintain the performance and appearance of your vehicle’s intercooler. While these blemishes may seem like a minor issue, they can lead to significant damage over time if left unchecked. With the proper care and maintenance, you can keep your intercooler looking and performing at its best.

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