At Marks Mechanics in Garbutt, they specialise in breathing new life into vehicles, ensuring they drive as smoothly as the day they rolled off the production line. One of their remarkable success stories involved a BMW E92 struggling with persistent engine misfire issues. Through a meticulous process known as walnut blasting, Marks Mechanics effectively restored the vehicle's performance, offering the engine a fresh lease on life and returning it to peak driving condition.

To comprehend the significance of walnut blasting, it's essential to understand the villain in this narrative: carbon deposition. When a car’s fuel doesn’t burn completely, it leaves behind hydrocarbon olefin residues. These residues cling to the engine intake, valves, and cylinder pistons. Over time and under high-temperature conditions, these residues transform into hard black shells known as carbon deposits. This is where the magic of walnut blasting comes into play, a service that Marks Mechanics has perfected over the years.

Why is it so crucial to tackle carbon buildup? These deposits can disrupt the delicate air-fuel ratio, resulting in diminished engine power, increased fuel consumption, and in some instances, prevent the valves from seating properly. This can lead to engine misfires or cause the car to shake intermittently when idling. Regular cleaning every 40,000–50,000 kilometres is pivotal in maintaining the engine's performance, and this is exactly what Marks Mechanics advocates for its clients.

The Importance of Cleaning Carbon Deposition

You might wonder why walnut shells are the chosen medium for this procedure. It's simple: they're gentle on metal parts yet remarkably tough on carbon deposits. This makes them ideal for engine cleaning without risking damage to the engine components. Many automobile manufacturers even recommend walnut blasting as the "official" method for carbon deposit removal, a testament to its efficacy and safety.

Marks Mechanics employs state-of-the-art equipment for walnut blasting, ensuring precision and effectiveness. Their advanced tools guarantee thorough cleaning, restoring the engine's optimal condition without any risk of damage.

Why Walnut Shells Are the Preferred Choice

Beyond BMWs, Marks Mechanics has honed their expertise by servicing a wide range of vehicle brands with walnut blasting, including Audi, Mercedes-Benz, Volkswagen, Toyota, Ford, Nissan, Mazda and many more. Their commitment to excellence ensures that no matter the vehicle, it receives the highest standard of care and attention.

With their deep understanding of engines and commitment to quality service, Marks Mechanics in Garbutt stands out as a leader in vehicle maintenance and performance restoration. They invite all vehicle owners in the area to experience the benefits of walnut blasting and keep their engines running smoothly. For anyone seeking to restore their vehicle to its prime, Marks Mechanics is the place to go.

Discover how Marks Mechanics in Garbutt restores vehicle performance using walnut blasting, tackling carbon buildup and engine misfires for optimal driving conditions.

Expert Walnut Blasting Services : Marks Mechanics in Garbutt

Case Study: How Marks Mechanics Restored a BMW's Peak Performance with Walnut Blasting

According to Australian Consumer Law you ARE NOT required to take your Mazda Vehicle back to a dealership for servicing

If you are hoping to acquire honest, dependable log book service for your Mazda just contact us at Marks Mechanics in Garbutt and inform us of a few things about your vehicle (such as when it was last serviced, the year and model) thereby enabling us to provide a competitive quote today.

Scared about not maintaining your manufacturers warranty?

There's simply no need - All Marks Mechanics technicians are fully trained and qualified. We guarantee to use only appropriate quality parts as prescribed by the manufacturers specifications while performing log book service on a wide range of makes and models, including the following Mazda vehicles;

Since 2000, Mazda has sold several models in Australia including the Mazda2, Mazda3, Mazda6, MX-5, CX-3, CX-5, CX-7, CX-8, CX-9, CX-30, and the BT-50, as well as the RX-8 and the Tribute.

The best way to guarantee your Mazda remains in premium condition is with a regular service

As a car owner you are permitted to determine which mechanic you will entrust your car to for service.

In actual fact you MUST NEVER feel forced into bringing your Mazda back to a particular new car dealership for car servicing. Marks Mechanics CAN service your Mazda vehicle, as per the manufacturers specifications, preserving your statutory warranty.

You have the right to decide who will service your car without voiding either the manufacturers warranty or your rights under the Consumer Guarantee.

In fact, Marks Mechanics can perform log book service and repair on a wide range of vehicle types, makes and models in our Garbutt service centre.

You have the right to choose a mechanic for car service. Simply book a service for your Mazda or contact Marks Mechanics, tell us about your car and your last service and we can give you a quote today.

If you're looking for a reliable log book service for your Mazda vehicle contact Marks Mechanics in Garbutt...

Mazda Car Service in Garbutt

It's your car and it's your choice!  Marks Mechanics is fully qualified to service your new car and maintain your log book schedule whilst the car is within the warranty period.

The ACCC has confirmed that under Australian Consumer Law you can choose who services your new car and your right to a warranty is protected. 

Get the facts about New Car Servicing and watch our AutoFacts Video

New Car Warranties … the Facts.

If you're concerned about preserving your statutory rights to a new car's warranty, but also want to obtain expert service at competitive rates, Marks Mechanics can help.


When it comes to reliable log book service, here's a few reasons why you  can trust Marks Mechanics - your local Repco Authorised Service  mechanic.

Repco Authorised Service Centres operate a national service information system that includes the latest diagnostic techniques that are specifically designed for today's cars. Auto-Tech provides continual training, so our service technicians can stay up to date with modern vehicle technology.

Repco branded products are manufactured to stringent Repco quality standards, and are covered by the Repco exclusive Nationwide Warranty. All Repco Authorised Service Centres are carefully selected to ensure that only suitably qualified and equipped staff will work on your car.

Repco Authorised Service is Australia's largest service network. Every service we perform is supported by our nationwide network of over 500 outlets - you are covered wherever you may be.

At Repco Authorised Service Centres, we explain all of our work in a straight forward manner and we advise you in advance of any extra work that may be needed.

You can rely on your local Repco Authorised Service centre Marks Mechanics in Garbutt!

It's your car and it's your choice!  Your local Repco Authorised Service centre is fully qualified

New Car Warranty Log book Service in Garbutt

Your local Garbutt Mechanic, Marks Mechanics offer the very best car service and automotive repairs.

Marks Mechanics have been servicing the cars of Townsville since 1991 and we take great pride in providing full car service and repairs for all makes and models including commercial fleet vehicles. We also offer a mobile breakdown and repair service.

Greg McDonald and Tracey Wise are long terms friends and have taken up the opportunity to purchase the business. Along with their respective sons Damian and Jaxon, they hope to continue providing a high level of service to the existing customers of Marks Mechanics, along with the new ones in a family orientated workplace.

Greg has been in the mechanical trade for over 41 years and has worked at Marks Mechanics for 23 of them. He firstly worked as a foreman and then as the Workshop Manager for the last 15 years.

Tracey has been a long-term Qld public servant and now works in the business full time.

Damian McDonald (Greg's son) has worked for Marks Mechanics for over 9 years and is a fully qualified Mechanic specialising in diagnostics and is a licensed Roadworthy Inspector. 

Jaxon Wise (Tracey's son) completed his apprenticeship with Marks Mechanics in 2020 and returned to the business in December 2022. Jaxon is a Subaru Specialist Technician, a licensed Roadworthy Inspector and also holds an ARC Tick Automotive Air-conditioning License.

Rodney Brander previously worked for Marks Mechanics for over 9 years off and on and left the business for a short time only to return at the beginning of 2024. Rodney is a highly experienced technician being in the industry for over 40 years. He is a licensed Roadworthy Inspector and has a passion for older cars.

Adrian Ries has worked for Marks Mechanics for over 3 years and is a fully qualified technician and holds an ARC Tick Automotive Air-conditioning License. Adrian specialises in engine rebuilding and cylinder head repairs, has a love of motor sport, and has a keen interest in anything automotive.

Marks Mechanics care about the environment and have ARC Authorisation (AU58086) to reliably and safely provide for all of your automotive air conditioning needs. Let us help you keep your cool...

Safety Inspections & Certificates - Passenger and Light Commercial

Marks Mechanics have won awards for outstanding service - 2002 Recognition of Outstanding service, 2006 Outstanding service as a member of RAS & in 2024 Outstanding Staff Development.

"We are honoured to receive the Outstanding Staff Development Award. This recognition is a testament to our unwavering commitment to the growth and development of our team"

Outstanding Staff Development Award 2024 received by owners Tracey & Greg from Marks Mechanics in Townsville.

All valued local customers and their employees are welcome to use our Loan Car service. (small fee applies)

As a Repco Authorised Service centre, Marks Mechanics have a commitment to high quality workmanship, ensuring you get the very best in automotive care. Our workshop is a member of the Repco Auto Tech program, training each mechanic to be fully up to date with modern vehicle repair methods.

For friendly service from a trusted independent, you can rely on the team at Marks Mechanics.

As your local Mechanic in Garbutt, Townsville, Marks Mechanics take great pride in offering our clients the very best in car servicing and automotive repairs.

Automotive Servicing and Repairs in Garbutt

Garbutt Car Mechanic - Service and Repair

This video is of a 2006 Toyota Prado Turbo Diesel manual with roughly 225,000kms on the clock. The owner was experiencing trouble selecting reverse gear, which caused a crunching noise. You can see some of the process involved in accessing the clutch to replace the damaged parts.

Clutch Replacement Toyota Prado Townsville

A clutch comprises a circular metal plate lined with friction material attached to both sides. This material enables the clutch to engage with the flywheel and pressure plate, facilitating power transfer from the engine to the gearbox. Moreover, the clutch permits the engine and transmission to disengage, enabling the engine to run independently. This disconnection occurs when the driver depresses the clutch pedal or when the gearbox is in neutral. Consequently, smooth gear transitions are achieved while the vehicle is in operation.

Engine RPM increasing with no increase in vehicle speed

What are the symptoms of a failing clutch?

If you are suffering from any of these symptoms please give us a call straightaway or book online, so we can schedule you can in for an inspection as soon as possible. Loan Cars Available (subject to availability). Delaying could cause more damage or compromise your safety. We are ready to assist. 

Clutch Replacement Services at Marks Mechanics

Watch our expert team replace a clutch on a 2006 Toyota Prado. Experiencing clutch issues? Book your inspection today at Marks Mechanics. Loan cars available.

Clutch Replacement Services for Toyota Prado | Marks Mechanics Townsville

Your vehicle has a number of different filters and each one works in a different system in your car. Marks Mechanics knows those systems inside and out. For servicing in Garbutt and surrounding suburbs you can count on us.

Quite simply- a filter traps particles which should not be present in, or could do damage to, the system which it filters. Therefore all filters have a lifespan - once they get congested with the particles they are filtering - replacement is a must. Not replacing filters in your car when they need to be changed can lead to expensive breakdowns in some very important parts of your vehicle.

Oil Filter: Cleans the oil and allows it to flow through the engine better
Air Filter: Traps dirt particles which could damage cylinders, walls and pistons
Cabin Air Filter: Keeps pollen, dust and bacteria out of the ventilation system
Fuel Filter: Filters harmful contaminants which could do damage to carburettors or fuel injectors

Types of Filters in your vehicle include:

At Marks Mechanics we provide a full 65 point vehicle inspection report upon request with every full car service. This includes a check of your cars filters to help avoid expensive breakdowns in the future. 

Your vehicle has a number of different filters and each one works in a different system in your car. Quite simply- a filter traps particles which should not be present in, or could do damage to, the system which it filters.

A reconditioned car engine can often be less expensive than having your vehicle's motor replaced with a brand new engine. The team at Marks Mechanics are qualified car engine reconditioning mechanics can perform expert Engine reconditioning service.  

A reconditioned car engine can often be less expensive than having your vehicles motor replaced with a brand new engine.

Engine Reconditioning in Garbutt

Engine Recon

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Marks Mechanics take great pride in offering their clients personalised, and friendly service at all times. Since 1991.We are proud to support the largest military base in Australia and also the RAAF base personnel. Marks Mechanics have a wealth of experience in servicing most makes and models, including commercial fleet vehicles. As a Repco Authorised Service centre, they have a commitment to high quality workmanship, ensuring the very best in automotive care. We are licensed by ARC (AU07715) and provide professional air conditioning service. We are a certified A.I.S station (7103 ) for vehicle safety certificates, Road worthy certificates for passenger cars, light vehicles and trucks up to 4 tonne with inspections performed on site.

Marks Mechanics

Engine reconditioning

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Case Study: How Marks Mechanics Restored a BMW's Peak Performance with Walnut Blasting

Mazda Car Service in Garbutt

New car service in Garbutt

Garbutt Car Mechanic - Service and Repair

Clutch Replacement - Toyota Prado

Automotive Filters