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On call 24/7, Maranoa Mechanical Pty Ltd take great pride in offering their clients excellent customer service, quality workmanship and value for money.

An award winning business, Maranoa Mechanical has a wealth of experience in servicing all makes and models, and are registered with all the major fleets. They offer auto electrical repairs, airconditioning, wheel alignments, windscreens and chip repairs.  They operate a tow truck 24/7.
		
Conveniently located in the St George CBD, they offer courtesy cars, and a pick up/delivery service.

They are also an RACQ Approved Repairer, Agent and Roadservice contractor, and distributor for Ironman 4X4.

When it comes to enhancing performance in a vehicle loaded up for serious touring, achieving the right balance of power and efficiency can be a real challenge. This Holden Colorado, already an impressive touring rig with its heavy canopy, roof-top tent, and an array of gear, was ready for an upgrade. The added weight, while necessary for long trips and adventures, naturally impacts the vehicle's performance, particularly in acceleration and fuel consumption.  That’s where Maranoa Mechanical’s expertise came into play with an Alt Tune ECU Remap. By fine-tuning the engine's performance, we were able to transform this Colorado into a powerhouse, delivering significant gains in power and acceleration while also achieving improved fuel efficiency—a win-win for any driver on the road. Optimising Performance with Precise ECU Adjustments To begin the Alt Tune ECU Remap on the Holden Colorado, our team at Maranoa Mechanical started by thoroughly analysing the factory ECU settings to identify areas for optimisation. Adjustments were made to the fuel injection timing to ensure a more precise delivery, which improves combustion efficiency and results in smoother power delivery. The boost pressure was carefully increased to enhance the engine's performance without overloading the system, allowing for improved torque and responsiveness. Throttle response was fine-tuned to create a more immediate and satisfying reaction when the accelerator is pressed, providing a noticeable improvement in drivability. Throughout the process, the vehicle was tested to monitor and measure power output and torque across various RPM ranges. This allowed us to validate the adjustments in real time and ensure the changes were achieving the desired results. Additionally, fuel consumption logs were maintained and analysed, helping us balance the power gains with efficient fuel use. By the end of the tuning process, the Holden Colorado demonstrated remarkable improvements in both performance and economy, fully aligning with the customer's touring and driving needs. Impressive Performance and Fuel Efficiency Boost The Alt Tune ECU Remap on the Holden Colorado delivered outstanding results, significantly enhancing the vehicle's performance and efficiency. Following the tune, the Colorado achieved a remarkable 3-second improvement in its 0-100km/h acceleration time, a testament to the added power and responsiveness now available to the driver. Even more impressive, this increase in performance did not come at the expense of fuel economy. On the contrary, the vehicle's fuel consumption dropped by 1L/100km, even when fully loaded with a heavy canopy, roof-top tent, and other touring equipment. The ability to maintain these results under such demanding conditions highlights the effectiveness of the tuning process. The improved power delivery and torque allowed the vehicle to handle its load with ease, making overtaking and climbing inclines feel effortless. At the same time, the adjustments ensured fuel efficiency remained a priority, providing the driver with greater range and lower running costs during long trips. These results speak volumes about the benefits of a well-executed ECU remap, particularly for vehicles tasked with heavy-duty touring. Customer's Praise for Performance and Fuel Efficiency The owner of the Holden Colorado Brandon shared his satisfaction with the Alt Tune ECU Remap, emphasizing the remarkable improvements in his vehicle's performance. He says "𝑠𝑖𝑛𝑐𝑒 ℎ𝑎𝑣𝑖𝑛𝑔 𝑚𝑦 𝑣𝑒ℎ𝑖𝑐𝑙𝑒 𝑡𝑢𝑛𝑒𝑑, 𝑖𝑡 𝑖𝑠 𝑚𝑢𝑐ℎ 𝑛𝑖𝑐𝑒𝑟 𝑡𝑜 𝑑𝑟𝑖𝑣𝑒.  𝐻𝑎𝑣𝑖𝑛𝑔 𝑡ℎ𝑒 𝑒𝑥𝑡𝑟𝑎 𝑝𝑜𝑤𝑒𝑟 𝑡𝑜 𝑜𝑣𝑒𝑟𝑡𝑎𝑘𝑒 𝑐𝑎𝑟𝑠 𝑎𝑡 𝑚𝑜𝑚𝑒𝑛𝑡’𝑠 𝑛𝑜𝑡𝑖𝑐𝑒 𝑖𝑠 𝑔𝑟𝑒𝑎𝑡. 𝐴𝑠 𝑓𝑜𝑟 𝑓𝑢𝑒𝑙 𝑒𝑐𝑜𝑛𝑜𝑚𝑦, 𝑚𝑦 𝑟𝑒𝑐𝑒𝑛𝑡 𝑡𝑟𝑖𝑝 𝑎𝑤𝑎𝑦 𝑝𝑟𝑜𝑣𝑒𝑑 𝑡ℎ𝑒 𝑓𝑢𝑒𝑙 𝑒𝑐𝑜𝑛𝑜𝑚𝑦 ℎ𝑎𝑠 𝑛𝑜𝑡 𝑏𝑒𝑒𝑛 𝑠𝑎𝑐𝑟𝑖𝑓𝑖𝑐𝑒𝑑 𝑓𝑜𝑟 𝑚𝑜𝑟𝑒 𝑝𝑜𝑤𝑒𝑟.  𝑄𝑢𝑖𝑡𝑒 𝑡ℎ𝑒 𝑜𝑝𝑝𝑜𝑠𝑖𝑡𝑒.  𝐼 𝑡𝑜𝑜𝑘 𝑎 𝑙𝑜𝑎𝑑𝑒𝑑 𝑐𝑎𝑛𝑜𝑝𝑦 𝑎𝑛𝑑 𝑟𝑜𝑜𝑓 𝑡𝑜𝑝 𝑡𝑒𝑛𝑡, 𝑎𝑛𝑑 𝑢𝑠𝑒𝑑 𝑙𝑒𝑠𝑠 𝑓𝑢𝑒𝑙! 𝐼 𝑐𝑎𝑛 ℎ𝑖𝑔ℎ𝑙𝑦 𝑟𝑒𝑐𝑜𝑚𝑚𝑒𝑛𝑑 𝑡ℎ𝑖𝑠 𝑡𝑢𝑛𝑒 𝑡𝑜 𝑎𝑛𝑦𝑜𝑛𝑒 𝑤ℎ𝑜 𝑖𝑠 𝑙𝑜𝑜𝑘𝑖𝑛𝑔 𝑓𝑜𝑟 𝑎 𝑏𝑖𝑡 𝑚𝑜𝑟𝑒 𝑝𝑜𝑤𝑒𝑟, 𝑤ℎ𝑒𝑡ℎ𝑒𝑟 𝑡ℎ𝑎𝑡 𝑖𝑠 𝑡𝑜𝑤𝑖𝑛𝑔, 𝑜𝑟 𝑖𝑛 𝑚𝑦 𝑐𝑎𝑠𝑒 𝑡𝑜𝑢𝑟𝑖𝑛𝑔 𝑤𝑖𝑡ℎ 𝑎 ℎ𝑒𝑎𝑣𝑦 𝑐𝑎𝑛𝑜𝑝𝑦.” For those who rely on their vehicles for towing, touring, or carrying heavy loads, this remap highlights the potential for enhanced performance without sacrificing fuel economy or reliability. The improved drivability, combined with better torque and responsiveness, means the vehicle can handle demanding conditions with ease. If you're looking to optimize your vehicle for power and efficiency, an ECU remap is a smart investment that can make a noticeable difference in both daily driving and long-haul adventures.

Another great performance tune - this time a Holden Colorado.

Holden Colorado Gets a Power Upgrade

Are you looking to unlock your vehicle’s full potential? Maranoa Mechanical's Alt Tune ECU Mapping services might be exactly what you need. With advanced technology and expert precision, this service is designed to optimise your vehicle's performance, delivering noticeable improvements in power, torque, and fuel efficiency.  Whether you’re seeking a smoother driving experience, better fuel economy, or enhanced responsiveness, Alt Tune ECU Mapping provides a tailored solution to meet your needs. It’s an effective way to elevate your vehicle's capabilities and ensure it performs at its best every time you hit the road. Understanding Alt Tune ECU Mapping Alt Tune ECU Mapping is a highly specialised process that focuses on reprogramming your vehicle’s Engine Control Unit (ECU) to enhance performance. The ECU serves as the brain of your vehicle, controlling key functions such as fuel injection, ignition timing, turbo boost, and air-fuel ratios. By carefully modifying these parameters, the mapping process ensures the engine operates at its optimal capacity, tailored to the specific characteristics and needs of your vehicle. This customisation process relies on advanced software and technical expertise to adjust factory-set limitations and unlock hidden potential. Alt Tune ECU Mapping not only improves horsepower and torque but also enhances fuel efficiency and drivability. Each file is uniquely designed based on your vehicle’s make, model, and intended use, ensuring precision and reliability. Whether you’re looking for better acceleration, smoother power delivery, or even reduced emissions, this approach offers a comprehensive solution to meet a wide range of performance goals. Unlock the Benefits of Alt Tune ECU Mapping Alt Tune ECU Mapping offers numerous benefits for vehicle owners, starting with improved throttle response. By recalibrating the engine’s settings, this service ensures a more immediate and precise reaction when you press the accelerator, making your driving experience feel more connected and responsive. In addition, the process helps create a smoother driving experience by optimising power delivery and eliminating irregularities that can cause hesitation or roughness. Another significant advantage is the increase in power and torque. Alt Tune ECU Mapping allows your engine to produce more horsepower and torque by fine-tuning its parameters, providing stronger performance that can be particularly useful when towing, climbing steep grades, or simply enhancing everyday driving. Alongside these performance upgrades, you can also enjoy better fuel efficiency. By optimising the engine’s operation, this service reduces unnecessary fuel consumption, helping you save money over time without compromising on power or drivability. These benefits come together to make your vehicle more efficient, enjoyable, and capable on the road. Whether you drive a family sedan, a rugged off-road vehicle, or a workhorse for your business, Maranoa Mechanical’s experience ensures your vehicle’s ECU mapping is carried out with precision and care. Our in-depth knowledge of engine systems and tuning technology allows us to adjust the ECU settings to match the specific demands of your vehicle, maximising its performance while maintaining reliability. This level of adaptability and attention to detail ensures every customer benefits from a service designed to bring out the best in their vehicle. If you’re ready to experience the benefits of Alt Tune ECU Mapping, contact Maranoa Mechanical today. Let our skilled team help you achieve better performance, efficiency, and reliability, ensuring your vehicle runs at its best for every journey.

Our Alt Tune ECU Mapping offers a powerful way to enhance your vehicle’s performance, from improved power and torque to better fuel efficiency and smoother drivability.

Get the best out of your vehicle with our ECU Remapping

Owning a car brings freedom and convenience, but it also comes with responsibilities. One of the most important is regular vehicle maintenance. Checking your vehicle regularly can save you from the stress of dealing with major repairs and the heavy costs that come with them. It's all about spotting those small issues before they turn into big problems! Let's face it, life gets busy, and it’s easy to overlook vehicle maintenance. However, making time for routine checks can keep your car running smoothly and safely. A well-maintained vehicle is not just about reliability; it’s about your safety and that of your passengers. From tyres and brakes to oil levels and lights, each component plays a vital role in your vehicle’s performance. We understand that staying on top of car maintenance can be overwhelming, but we’re here to help. Fill out the form to receive our free CAR MAINTENANCE CHECK LIST. This checklist will guide you through everything you need to keep your vehicle in top shape. Plus, by downloading the checklist, you'll be entered for a chance to win a 65 Point Vehicle Inspection from our expert team at Maranoa Mechanical.  Don’t wait until small issues become costly repairs. Regular checks are a simple way to maintain your vehicle's health and keep your journeys stress-free. A little attention today can save you a lot of trouble tomorrow. Stay safe and happy driving!

Owning a car brings freedom and convenience, but it also comes with responsibilities. One of the most important is regular vehicle maintenance.

Start your year off "WITHOUT" a Bang!

Keep your cool, without global warming. A proactive car air conditioning approach to protecting our environment.  As Australia begins phasing down HFC use (from January 2018), many new vehicle manufacturers may be switching to new air conditioning systems using the more environmentally friendly refrigerant R-1234yf, instead of R-134a. The benefits of using R-1234yf "Twelve Thirty Four", as R-1234yf is sometimes known, is an HFO type refrigerant delivering high performance, resulting in a more efficient air-conditioning system, fewer emissions and reduced fuel consumption. Hydrofluoroolefins (HFO's) have a double carbon bond meaning they trap less heat in the atmosphere than Hydrofluorocarbons (HFC's) and break down faster. Importantly, R-1234yf systems are specifically engineered to prevent refrigerant leakage and loss, including into the interior of the vehicle. The leakage of refrigerants contributes considerably to greenhouse gases. Why the switch? Older type refrigerants accumulate in the upper atmosphere as greenhouse gases and contribute significantly to Global Warming for a considerable time. In the mid-'90s, the old R-12 (or Freon), which takes a long time to break down into a non-greenhouse gas, was replaced with R134a, which breaks down much quicker. R-1234yf takes that improvement to the next level, breaking down in less than half the time of R-134a (and a fraction of the time R-12 can take). R-134a will remain in use for some time and a licensed mechanic can still service R-134a air con systems, but new vehicles will likely use the new systems with R-1234yf. Some already are. Irrespective of what type of refrigerant your car air conditioner uses, a car service workshop undertaking air conditioner service must have the right knowledge and equipment to handle these gases responsibly. You should always take your car to a mechanic with the skills and specialist equipment to undertake air conditioning service safely and correctly.

There's a new gas in town

Trust, experience & knowledge ... You can rely on your Local and Independent Repco Authorised Service centre, Maranoa Mechanical to service and repair your vehicle. As a Repco Authorised Service centre, Maranoa Mechanical use quality parts and lubricants and employ state of the art diagnostic equipment and repair methods. What’s more, our fully qualified technicians have access to the latest service information, bulletins and training through the Australia wide Repco Auto Tech program. We provide a full range of automotive services right here in St George and surrounding areas, all backed by our Repco Authorised Service Nationwide Warranty and fully supported at over 500 Service Centres right across Australia. So rest assured - your car is in safe hands.

As a Repco Authorised Service centre, we use quality parts and lubricants and employ state of the art diagnostic equipment and repair methods.

Maranoa Mechanical - Our expertise & knowledge

Modern radiator coolants not only protect your car from overheating, or the fluid from freezing, they also protect the radiator system from corrosion. Maranoa Mechanical in St George are very knowledgeable and experienced in looking after these systems.  It is recommended that you exchange your radiator coolant fluid every two years or 40,000 km's whichever comes first. However the size of the engine, the climate in your area, the age of your current coolant, and the total miles that have been driven can all affect the need to replace the coolant in your radiator. Knowing when to replenish your radiator fluid isn't always easy - obviously, when it has gone a dirty brown colour it's a sign it probably needs to be flushed and replaced - however even fresh-looking coolant could have lost its corrosion protection properties and without measuring its reserve alkalinity there's no signal that it is no longer protecting your vehicle components, and it could even be doing more damage than good. Maintaining good coolant means your radiator system will be much better protected from corrosion and will have a longer life span, it will help prevent you from having to replace expensive engine components. At Maranoa Mechanical in St George at your request, we will perform a full 65 Point Vehicle Inspection report for free as part of any minor, major or log book service. Part of this inspection includes checking the level and condition of coolant in your system and the written report will advise you if we feel a radiator flush, fluid replacement or any repairs are required to maintain the performance of your vehicle.

Even if it looks clean, your coolant still might need replacing!

Maranoa Mechanical

Cars are our passion.

Holden Colorado Gets a Power Upgrade

Get the best out of your vehicle with our ECU Remapping

Start your year off "WITHOUT" a Bang!

There's a new gas in town

Maranoa Mechanical - Our expertise & knowledge

Radiator Coolant