General Motors warranty

GM Corrosion Warranty Issue with Automotive Giant GM hit

Are you considering a General Motors (GM) vehicle and want to know more about its corrosion warranty? Understanding the benefits and limitations of any warranty before making a purchase decision is essential. This  will take a closer look at GM’s corrosion warranty and how it can protect you and your vehicle. What areas of your vehicle are covered, and how long the warranty lasts. By the end of this article, you’ll have all the required information that you need to make an informed decision.

Understanding Corrosion Warranty

Before we discuss the corrosion warranty let’s have a look at what is corrosion?

General Motors warranty

What is corrosion?

Corrosion is a natural chemical reaction that causes metal to degrade, weaken, and eventually break down. Various factors, including environmental elements such as moisture, oxygen, and extreme temperatures, cause corrosion. In the automotive industry, corrosion can be especially damaging to the car’s body, chassis, and other components. 

Causes of Corrosion

Corrosion is one of the most significant risks to car owners, and General Motors (GM) has prioritized protecting its customers from this costly damage. Understanding what causes corrosion and how the warranty works can help ensure your vehicle is covered.

Several causes of corrosion include exposure to salt, water, dirt, and other contaminants. Salt, in particular, can cause severe damage to a vehicle as it promotes metal oxidation and quickly breaks down its protective coating. The environment in which a car is driven and stored can also impact its longevity. If a vehicle is constantly exposed to high humidity or salty air, it can lead to accelerated corrosion and premature rusting.

What is corrosion warranty?

General Motors (GM) offers corrosion warranty coverage for its vehicles to help protect them from damage caused by corrosion. GM’s corrosion warranty is designed to cover perforation from corrosion that occurs from the inside out on GM vehicles. This coverage applies to the body panels, chassis components, and other parts manufactured with corrosion-resistant materials. The warranty also covers the repair or replacement of corroded parts at no additional cost to the customer. 

More about corrosion warranty

The GM corrosion warranty is one of the best in the industry and covers most GM vehicles. The warranty lasts for five years or 100,000 miles, whichever comes first. Additionally, the warranty is transferable if the car is sold within the warranty period.

All GM owners need to understand the details of their corrosion warranty coverage to be prepared in case of a corrosion issue. If you own a GM vehicle, it’s essential to familiarize yourself with the terms of your specific warranty and contact an authorized dealer if you have any questions or need repairs due to corrosion damage.

The Importance of a Corrosion Warranty

General Motors warranty

A corrosion warranty is crucial to owning any vehicle, especially from General Motors (GM). GM provides some of the best warranties in the industry, and its corrosion warranty is no exception. Here are five reasons why a corrosion warranty from GM is so important: 

GM corrosion Warranty: Why it’s Important and What You Need to Know

  1. GM corrosion warranties are some of the best in the industry, covering up to 12 years or 150,000 miles. 
  2. They cover many types of corrosion damage, including rust-through and perforation. 
  3. The warranty includes parts and labor, so you won’t have to worry about paying extra out-of-pocket expenses. 
  4. All GM dealerships must honor this warranty, so you can rest assured that your car is covered wherever you go. 
  5. If your car is determined to be irreparably damaged by corrosion, GM will even reimburse you for your purchase price!
  6. GM corrosion warranties cover visible and hidden damage from rust, ensuring that your car is always protected from unseen issues that could end up being costly. This can help you save thousands of dollars in repair costs over the vehicle’s life. 

Finally, GM corrosion warranties come with perks like roadside assistance and even some coverage for rental cars while your vehicle is being serviced. With so many benefits, it’s easy to see why a corrosion warranty from GM is worth the investment.

What does corrosion warranty cover?

So what does a corrosion warranty cover? Here are the things in which this corrosion warranty works.

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Coverage Duration

The GM corrosion warranty is important to your car’s overall maintenance and protection. This warranty covers certain perforation (rust-through) corrosion repairs on certain areas of your vehicle during the original 3-year/36,000-mile basic bumper-to-bumper warranty period. This corrosion coverage may also extend for up to 6 years/100,000 miles (whichever comes first). 

Suppose rust perforation is found on any sheet metal panels.The gm corrosion limited warranty duration is determined by the company owner.

In that case, GM will repair or replace the damaged boards, provided that there is proof that the necessary maintenance has been performed at regular intervals. These maintenance intervals are outlined in your owner’s manual and must be followed for the warranty to remain in effect. An authorized GM dealer must perform any repairs covered under the corrosion warranty.

Areas of vehicle

Corrosion occurs most commonly in fuel lines, radiators, heater cores, exhaust systems, battery posts, mufflers, brake master cylinders, hoses, gas tanks, fender flares, and windshield wipers.

Additionally, the GM corrosion warranty does not cover normal surface rust, paint damage, rust caused by accidents, or rust resulting from environmental conditions such as saltwater exposure. 

What is not covered under the corrosion warranty?

General Motors warranty

GM has developed a corrosion warranty to help protect vehicles from the effects of corrosion. The warranty covers repairs and parts needed due to rust or other forms of corrosion that occur within 12 months of purchase.

Accidental corrosion

However, it does not cover damage caused by accidents or misuse. To be eligible for coverage under warranty, you must keep up with regular maintenance such as oil changes, tire rotations, and engine tune-ups and keep your vehicle clean and free of excessive moisture.

Corrosion caused by rust prevention treatments

The warranty also does not cover any issues caused by rust prevention treatments or accessories installed after the purchase of the vehicle. 

Corrosion caused by Modifications

Additionally, any modifications done to the vehicle that may affect the integrity of the metal or its protective coatings will void the warranty coverage. It’s important to remember that GM takes corrosion seriously, so any problems related to corrosion that are reported promptly will be covered.

When Does the Coverage Start?

The GM corrosion warranty begins when the vehicle is delivered to the original owner or the person taking delivery of the car, whichever comes first. The coverage runs for five years or 100,000 miles, whichever comes first. This warranty covers all body panels against corrosion resulting from material or workmanship defects and covers both repair and replacement. To be eligible for coverage, the corrosion must have originated on the surface of the vehicle below the paint.

How Do I File a Claim?

General Motors warranty

Filing a claim for your GM corrosion warranty is easy. GM provides two ways to file a claim: online and by mail. 

Submitting online claim

To submit an online claim, you must have your Vehicle Identification Number (VIN) handy. To begin the process, you can go to GM’s corrosion warranty page and fill out the required information. You will then be asked to provide some additional details about your vehicle. Once you have completed the form, you will receive a confirmation email from GM with your claim reference number and other details about the process.

Claim Through mail

If you prefer to file a claim by mail, you can download the Corrosion Warranty Claim form from GM’s website and submit it along with all the required documents to the address provided. Include your VIN on the claim form and any photos of the affected area that might help assess your claim.

Once GM receives your completed claim form and supporting documents, they will review them and contact you if additional information is needed or if there are any discrepancies. You should receive a response within four weeks if everything is in order.Once approved, GM will send you a check or direct deposit for the amount of coverage specified in the corrosion warranty. 

Summative Remarks

One of the most important warranties to consider when buying a new car is the GM corrosion warranty. This warranty covers any rust or corrosion damage to your vehicle and can save you time, money, and headaches. In this blog post, we’ll examine why the GM corrosion warranty is essential and what you need to know to protect your car. We’ll explain what is and isn’t covered by the deposit, how long it lasts, and how to file a claim in the event of corrosion damage.


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