Key Questions to Ask When Ordering Automotive Timing Belts

For those who work with engines or are simply interested in automotive mechanics, a common question is about distribution systems: After all, which is the best option, timing belts or timing chains?

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Of course, both systems have similar functions ' ensuring perfect timing between the camshaft and the crankshaft. But it is important to remember that each of these settings has distinct features that can affect durability, maintenance cost, and engine performance.

In addition, there are important aspects that need to be considered before choosing or giving an opinion on which of the two systems is the best. That is why, in today's article, we are going to explore the differences between them and understand how they can impact daily use and vehicle maintenance. Have a good read!

Understanding the differences between timing belts and timing chains

As we have already explained, both the timing belt and timing chain systems serve to control the exact moment when the valves open and close in the engine block. However, the way they perform this function, as well as their durability and maintenance characteristics, vary significantly. Shall we take a closer look? Follow along:

Timing belt system

In this model, the timing belt is made of fiber-reinforced rubber, which makes it flexible, lightweight, and quiet. Because the belt is installed outside the engine, maintenance and replacement are relatively simple. However, due to the material nature, it needs to be changed regularly, usually between 120,000 and 180,000 km, depending on the manufacturer's specifications and conditions of use.

One of the great benefits of the belt is its lightness, which reduces the inertia mass of the system and, in sports engines, can contribute to greater agility in the operation of the engine. On the other hand, its composition makes it more susceptible to wearing overtime, and the lack of proper maintenance can result in catastrophic failures should the belt break.

Timing chain system

The timing chain, on the other hand, is made up of metal links, which makes it much more resistant to wear compared to the timing belt. The main advantage of this system is its durability: a timing chain, if well cared for, can last as long as the engine. It is oil-bathed and installed internally, which reduces the need for frequent changes and makes it more robust to handle high-performance or heavy-duty engines.

However, because it is installed inside the engine, replacing a timing chain is more complex and expensive. In addition, over time, the chain can lengthen, requiring periodic adjustments to the tensioners in order to maintain proper timing. If it breaks, the consequence is also disastrous, as it can seriously damage the engine.

The main advantages and disadvantages of each setting

When analyzing both systems, it is clear that both have advantages and disadvantages that need to be taken into account. Timing belt stands out for its lightness and low cost of manufacture and replacement. Its external installations facilitate access and wear control, making the maintenance process less complex.

On the other hand, the timing chain offers greater durability, and is often considered a more robust solution, especially for vehicles that require high resistance to wear and heat. In contrast, its replacement cost is higher, and, in the event of failure, repairs can be significantly more expensive, as it involves dismantling internal parts of the engine.

This is without considering the fact that the chain, as it is always in contact with oil, ends up being more susceptible to the accumulation of residues, which can cause excessive wear of tensioners and guides over time. In other words: while timing belts offer advantages in terms of cost and ease of maintenance, the chain stands out for its longevity and resistance, especially in high-performance engines or those that operate in extreme conditions.

So, what is the verdict?

There is no definitive answer as to which system is superior, as each one caters to different needs. If you are looking for a more affordable system with a lower initial cost and simpler maintenance, timing belts may be the best option. But, if durability and resistance to severe conditions are your priority, then timing chains are the most suitable option.

Here, the important thing is to understand the features of each system and the needs of your vehicle or the vehicle you are working on. Remember: Keeping the timing set well cared for, whether it is a timing belt or a timing chain, is crucial to avoiding serious engine problems, as is taking care when choosing the other spare parts used to maintain the system.

Frequently asked questions

How often should I change the timing belt?
Usually, every 120,000 to 180,000 km, as recommended by the vehicle manufacturer.

Does the timing chain need maintenance?
Yes, although more durable, the chain needs periodic checks on the tensioners and guides to ensure that the elongation does not compromise the timing.

What happens if the belt or chain breaks?
In both cases, breakage can cause serious engine damage, such as warped valves and even the need to replace the engine.

And when it comes to maintenance, count on RIO!

Anyone who has made it this far has probably already understood that both timing belts and chains have their pros and cons ' and the choice ultimately depends on the needs of the vehicle and the type of use. What does not change is the importance of keeping the distribution system in good condition, using quality components to avoid serious engine problems.

When buying a timing belt kit there are some questions: Should I replace the water pump at the same time as the timing belt?

The water pump is directly adjacent to the timing belt in most engines. Because getting to the timing belt is such a labor-intensive job, it's a good idea to take this opportunity to replace the water pump at the same time because of the effort required to get down to either one of these items. Besides, both of these items tend to have a similar lifetime. For this reason, doing this labor-intensive job at the same time is the smart play.

But' What happens If I don't replace the water pump?

Not replacing all the components during a timing belt change means if the water pump does go at a later point, you will have to pay for the same labour twice because probably the water pump has worn out because of use anyway, and will need replacing sooner than later.

That's why at Industrias Dolz we always recommend to get both, the timing belt and the water pump, replaced at the same time.

The advantage of this dual replacement is to offer the best long-lasting repair while preventing risks of engine breakage. And last, but not least, more savings for your pocket.

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Let's see below this three things to consider when choosing a timing belt and water pump replacement:

• Half of interventions: the vehicle is immobilized less times.
• Savings for the end user (On average, 5 hours of labor less)
• Better repair, since each component of the timing belt system is replaced at the same time.

How to choose the right timing belt set for your car

First and foremost, do your research. There are some key features that increase the likelihood of your new timing belt kit becoming a successful choice.

Don't hesitate, choose an all-inclusive kit. It's better to know that your timing belt kit contains all components you need for its renewal. Not just the timing belt itself.

Another factor to consider before ordering is the part number. Make sure the kit is the correct one and it fits with your vehicle.

Aspects to consider when choosing a timing belt kit

A new timing belt kit gives you peace of mind that your vehicle will run optimally for a long time. For that, there are some aspects you should closely look at to make sure you have an excellent result. With the proper parts, your engine will last for many years.

Below are some of the most important points you should consider before choosing a timing belt kit.

Manufacturing

Experience and capabilities are two important aspects to consider when choosing the right manufacturer of your timing belt kit.

It's important also that they have the expertise for your specific product. And also other additional supports as technical specifications of the product to identify exactly how the item(s) should turn out, comfort guarantee and quality.

So, as you can see, a manufacturer with years of history can offer you backed by a wide knowledge and many years of experience.

Materials

The quality of the raw materials used in manufacturing distribution kits will be vital for its lifetime, providing extended durability and proper performance. The manufacturer must ensure the materials are acceptable for use because if the products are manufactured with low-quality, they will not stand up and you won't get the expected result.

Dolz are committed to quality! Let's see below:

• WATER PUMPS are designed according to OE specifications.
• 95% of the range is manufactured with Silicon Carbide Dynamic Seal, that guarantees its optimum tightness and durability. Also, an automatized manufacturing process that guarantees excellent quality.
• At Industrias Dolz, we are one of the few manufacturers who have die-cast aluminum.
• TIMING BELT always premium OE quality.
• Resist temperature variation, water and oil. And optimized lifetime.
• IDLERS resist temperature variation and vibrations of the engine environment.
• Usage of high-quality raw materials and grease to ensure efficiency. Besides, tested under the same conditions as per OE specifications.

Original Equipment Parts (OE)

In terms of quality, OE parts are beneficial to the performance of a vehicle.

Premium OE quality components are engineered and manufactured to the highest standards to perform according to OE vehicle manufacturer intended.

Non-genuine components do not have the same performance guarantees and as a result, due to a low quality the replacement of the elements will take place multiple times over the lifespan of OE quality parts. 

For this reason, at Industrias Dolz we make several inspections at various stages during the OE quality manufacturing process to ensure that our products always meet specifications.

Download our Timing belt kits catalog!

Discover Dolz's timing belt kit

DOLZ's range of timing belt kits is now available with and without water pumps. Each Dolz kit includes all the components required for the replacement: water pump and gasket when necessary, OE supplier timing belt, idlers and tensioners matching OE standards, and all components required for the mounting (screws, bolts, and mounting tips when needed). 

Knowledge and experience at your service. With more than 200 distribution kits representing top sales in Europe and a wide range offering 90% coverage of the European fleet.

Features:

With Dolz Kits, you will find two options available: All-include kits with water pump (KD) and the option without water pump (SKD). Both options are manufactured to the same specifications as OE and are guaranteed for 2 years from date of purchase or 50.000 km

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Dolz kits include all what you deserve.

The company is the world’s best Audi Timing Belt Replacement supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.