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Is changing a cam belt a big job?

Changing a cam belt, also known as a timing belt, is generally considered a moderately complex and time-consuming job for most vehicles. While the specific difficulty can vary depending on the make and model of the car, it is typically not a simple task that can be easily done by the average car owner.


What is a Cam Belt and Why is it Important?


The cam belt, or timing belt, is a critical component in the engine of a vehicle. It synchronizes the opening and closing of the engine's valves with the movement of the pistons, ensuring the engine runs smoothly and efficiently. If the cam belt breaks or becomes worn, it can cause significant damage to the engine, potentially leading to costly repairs.


Why Changing a Cam Belt is Considered a Big Job


There are several reasons why changing a cam belt is typically a more involved task compared to other routine maintenance:



  • Access to the belt: The cam belt is often located deep within the engine, requiring the removal of various other components to gain access to it.

  • Precise timing: Properly aligning the new belt and ensuring the engine's timing is correct is crucial, as any mistakes can lead to engine damage.

  • Specialized tools: Changing a cam belt often requires the use of specialized tools, such as a cam locking tool, which may not be readily available to the average car owner.

  • Labor-intensive: The process of removing and replacing the cam belt can be time-consuming, especially if other components need to be disassembled to access it.


Due to the complexity and potential consequences of a cam belt failure, it is generally recommended that the job be performed by a qualified mechanic, especially for those who do not have extensive experience working on engines.


When Should a Cam Belt be Replaced?


Most manufacturers recommend replacing the cam belt at specific mileage intervals, typically between 60,000 and 100,000 miles, depending on the vehicle. It's important to follow the recommended replacement schedule to avoid unexpected breakdowns or engine damage.


In summary, while changing a cam belt is not an easy task for the average car owner, it is a necessary maintenance item that should be addressed by a professional mechanic to ensure the continued reliable operation of the vehicle.

Are cam belts expensive to replace?


On average, a cambelt and water pump replacement can cost around £300. On some cars, it can go up to £500 depending on the make and model. When you get an instant price on ClickMechanic, the upfront quote will generally include the price of the water pump replacement if it is recommended.



Is replacing a timing belt difficult?


It is an intricate, labor-intensive process that can take 4–8 hours, depending on the vehicle. But replacing the timing belt before it breaks will prevent engine damage and save you money in the long run.



Is it a big job to change a timing belt?


Cambelt changes are a common job for a mechanic, but it can be quite a time-consuming job – depending on the make and model of car. The more complex the replacement, the longer it will take and the bigger the job it will be.



At what mileage does a timing belt fail?


In general, however, timing belts needs to be replaced from 60,000 miles up to 150,000 miles.



What to expect after timing belt change?


Here are a few things you can expect after getting a new timing belt:

  1. Quieter engine operation.
  2. Better gas mileage.
  3. Improved engine performance.
  4. Reduced emissions.
  5. Lower auto repair costs over time.
  6. Increased horsepower.



What are the symptoms of a bad cam belt?


If the belt is worn or damaged, it can cause the engine's timing to be off, leading to misfiring. You may also hear a ticking or squeaking sound from the engine can indicate that the cambelt or associated components are failing. This can also lead to overheating in the engine.



How many miles should a cam belt last?


between 40,000 and 100,000 miles
Cambelts or timing belts usually need to be replaced, usually between 40,000 and 100,000 miles. Alternatively, for lower mileage cars, the belt is advised to be replaced around four or five years. However, it all depends on the car and manufacturer.



Will my car run better after changing the timing belt?


The answer to this question is, unfortunately, no. A new timing belt will not make a car run better, as it's essentially just a maintenance item, not a performance-enhancing one.



How much does a mechanic charge to change a belt?


The cost to replace the belt depends on the type of car you are driving, but the average rate typically costs $500 to $1100However, replacing a broken timing belt may cost up to $2,000 or more if it has caused damage to the valves, pistons, or water pump. The timing belt itself is not an expensive part.



Is it easy to change a cam belt?


Yes, it's as much a matter of patience as it is mechanical knowledge. Depending on the engine there's a whole bunch of stuff that needs to come off first, and then be put back on when you are done. You need to be sure the engine is in the right position BEFORE removing the belt.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.