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The team at D & D Mechanical & 4WD will meet all your car service and repair needs here in the Southern Fleurieu. 

Based in Goolwa, on the Fleurieu Peninsula, they take great pride in offering their clients personalised, and friendly service at all times. This business is a member of the Repco Auto-Tech training program, ensuring their technicians are kept fully up to date with modern vehicle repair methods. 

D&D Mechanical & 4WD have a wealth of experience in servicing all makes and models. As a Repco Authorised Service centre, they have a commitment to high quality workmanship, ensuring the very best in automotive care, & with an Industry Leading Satisfaction Guarantee you know you are with the best hands in the business.

Win a share of over $8,000 in prizes with D & D Mechanical & 4WD and Repco Authorised Service From 1 June to 30 September 2026, service your vehicle at D & D Mechanical & 4WD and you can enter the Love Your Car promotion and win from a pool of exciting prizes. Prizes to Be Won 5 x $1,000 Repco Authorised Service vouchers
Redeemable at any participating Repco Authorised Service centre nationwide. 20 x $100 fuel gift cards
Perfect for your next road trip or daily drive. 5 x Supercars merchandise packs
Valued at $100 each. 10 x car care gift packs

Total prize pool valued at up to $7990 including GST. How to Enter To participate: Book and complete a vehicle service at any Repco Authorised Service centre during the promotional period. Visit repcoservice.com/win Tell us in 25 words or less why you deserve to win a Love Your Car prize. Upload your receipt Submit your entry online before 11:59pm AEST on 30 September 2026.

From 1 June to 30 September 2026, service your vehicle at a Repco Authorised Service centre and YOU could win big in the Love Your Car promotion

Love Your Car & Win

Engines that operate through internal combustion rely on large amounts of clean air to ensure the fuel burns properly and generates the power needed to drive the vehicle. At D & D Mechanical & 4WD in Goolwa, we understand how vital it is to keep your car's air filter in good condition as part of protecting your engine's health. Your engine requires extremely clean air to function efficiently. Dirt, dust, and other particles entering the engine can cause serious damage. That’s where the air filter comes into play. It ensures the air entering the combustion chambers is clean, shielding key engine components such as the pistons and cylinders from wear and damage. Why Replace Your Air Filter? Save on Fuel Costs: Your engine requires the correct balance of fuel and air to run efficiently. A clogged air filter restricts airflow, causing your engine to run inefficiently – often referred to as ‘running rich.’ This not only puts additional stress on your engine but can also increase fuel consumption by up to 10%. No one likes spending more on petrol than necessary!   Protect Your Engine: Over time, air filters become clogged and weaker, increasing the risk of damage. A damaged or overly dirty air filter can allow harmful particles to enter the engine, potentially leading to expensive repairs.   Benefits of Replacing Your Air Filter: Extends the life of your engine Improves fuel efficiency Reduces vehicle emissions At D & D Mechanical & 4WD, we always check the condition of your air filter during every full car service. Whether it’s a major or minor service, or one that follows your manufacturer’s handbook or logbook guidelines, you can trust us to keep your engine running smoothly.

Keep your engine healthy with clean air filters. Improve fuel efficiency, reduce emissions, and extend engine life. Visit D & D Mechanical & 4WD for expert maintenance and reliable car servicing.

Air Filters

D & D Mechanical & 4WD are now fully trained and have access to all the latest manufacturers data of Hybrid and Electric vehicles available in Australia.  While EV's and Hybrids are still relatively new to the Australian market there is a big push locally and worldwide to shift to this new technology. And as technology and infrastructure develops here in Australia the number of models available to choose from will increase rapidly . So what is an Electric Vehicle? An electric vehicle or EV, have a specially designed engine which runs on power stored in rechargeable batteries. EV’s must be plugged in and recharged on a regular basis to keep the vehicle running.  Did you know there are generally 3 types of Electric vehicles available? Plug-in Electric - These cars runs purely on electricity and get their power when they're plugged in to charge. (PHEVs) Plug-in Hybrid - These mainly run on electricity but also have a traditional fuel engine. If you run out of charge, the car will switch to using fuel. Hybrid - These run mainly on fuel like petrol or diesel but also have an electric battery too, which is recharged through regenerative braking, and you can switch between using your fuel engine and using electric mode at the touch of a button. Whilst a fully electric vehicle has fewer moving parts and is lower maintenance than an internal combustion engine it still needs to be serviced and inspected just as often as any other vehicle.  Electric vehicles hold high voltages and specific PPE, special insulated tools and training are required to service them safely due to the risk of electrical shock. Just like with any modern vehicle, you need to choose the right workshop with qualified, trained technicians who have access to up to the minute diagnostic information and the right equipment and quality parts to service your EV. The team at D & D Mechanical & 4WD are fully qualified to look after your hybrid or electric vehicle including: Service and maintain battery electric vehicles. Depower and reinitialise hybrid electric vehicles. Service and maintain electrical components in hybrid electric vehicles. Depower and reinitialise battery electric vehicles. Diagnose and repair high voltage rechargeable energy storage systems in battery electric vehicles. Diagnose and repair system instrumentation and safety interlocks in battery electric vehicles Diagnose and repair high voltage rechargeable energy storage systems in hybrid electric vehicles Your local Repco Authorised Service centre has access to Repco AutoTech for the very latest in training and information and quality Repco parts and lubricants. Book your Hybrid or EV service with the team at D & D Mechanical & 4WD today Electric Vehicle Service FAQ How often does my electric car need to be serviced? An electric motor can last 15 to 20 years if used in normal conditions. But, with external components such as dirt, temperature changes and movement, it's important to service your car regularly to ensure that it’s safe and reliable.  What does an electric vehicle service include? Most services will include regular vehicle checks such as brakes, cabin air filters, shock absorbers, essential fluids e.g brake fluid and coolant, windscreen wiper blades, tyres and lights. 

The EV battery is also an importance part and should be regularly checked and replaced as needed. What sort of battery does my electric car need? This is dependant on the vehicle make and model. It is important that extreme caution should be excerised around these battery systems as they are complex and require specialist PPE and qualified technicians to complete. What is regenerative braking? Regenerative braking is where your EV’s kinetic energy is converted to electrical energy during braking and stored in the batteries.

The experts at D & D Mechanical & 4WD now offer hybrid and electric vehicle servicing.

Hybrid and Electric Vehicle Servicing

How Safe Will You Drive This Winter? Our 65 Point Vehicle Inspection Report is free with every service at D & D Mechanical & 4WD in Goolwa and will keep you driving safe this winter. Our qualified mechanics will visually check over the important components of your vehicle and provide you with a written report on the condition of your vehicle. We can then help you understand any concerns which may need to be attended so that you can drive safe this winter with D & D Mechanical & 4WD and Repco Authorised Service. So how do you make sure your car is prepared for safe winter motoring?  Have a Clear View Avoid the painful moment when you switch on the wipers on the first rainy day and suddenly remember you haven't checked them in months! Your windscreen wipers are exposed to the full force of the Australian sun all year round and wear out. A good quality wiper blade like Trico is essential to help you see your way clear regardless of the weather. D & D Mechanical & 4WD can recommend a wiper blade or assembly that is right for your car. Too Cold To Start? Your car battery is the heart of your vehicle's electrical system, and even a healthy-looking battery can fail without much warning. Colder weather places extra demand on batteries, making winter one of the most common times for starting problems to appear. At D & D Mechanical & 4WD in Goolwa, we include a battery test with every scheduled car service and also offer Free Battery Testing if you have any concerns about slow starting or battery performance. If your battery needs replacing, we can often supply and fit a quality replacement the same day, subject to availability, helping you avoid the inconvenience of an unexpected breakdown. Keeping It Fluid Fluids and other parts in your car can be impacted by cold weather; including coolants, oils and items such as glow plugs in diesel vehicles. Getting your car regularly serviced - especially by by an expert who understands the best parts and products to maintain your vehicle in top condition. We use high quality NGK glow plugs and Penrite oils and fluids that are designed for Australian conditions.   Drive to The Conditions Conditions change - and you need to adjust, as well. In wet weather or poor visibility, slow down and leave a larger than normal stopping distance between yourself and the vehicle in front. Drive on the safe side and book in today for a service or a 65 Point Vehicle Inspection Report. Give Your AC a Work Out – Even in Cold Weather It's easy to forget about your car's air conditioning during winter, but giving it a regular workout is one of the simplest ways to keep it in good condition. Running your air conditioner for around 10 minutes every couple of weeks helps circulate refrigerant and lubricating oil through the system, keeping seals from drying out and reducing the risk of costly leaks or compressor problems. It also helps remove moisture from inside your vehicle, clearing fogged windows more quickly on cold mornings. At D & D Mechanical & 4WD in Goolwa, we recommend using your air conditioner all year round and having it inspected and serviced regularly, so it's ready to keep you cool and comfortable when the warmer weather returns. Could You Stop In Time? Be aware of the symptoms that your brakes need inspecting, like vibrating, spongy or slow responding brake pedal, strange sounds or difficult handling when applying pressure to your brakes. If your car is doing any of these it's best to have a qualified mechanic check it out. Brake inspections form part of our 65 Point Vehicle Inspection Report, so if you have concerns call us today and book in. Are You Properly Connected? It's dangerous to drive on worn tyres, or tyres with incorrect inflation, reducing your connection to the road. Now is the time to inspect your tyres. If you notice spots which are worn unevenly, this could indicate that your shock absorbers or some other vital part of your steering and suspension systems are due for service or replacement. Find out more about the components that affect your tyre wear on the links below:  Tyres and Wheel Service Shock Absorber Auto Facts Steering and CV Boots Braking and Disc Pads Driving on tyres which are not inflated correctly will not only cost you extra fuel money; it can also impact your braking ability. You can usually find manufacturers recommendations on a panel inside the driver side door. Don't Let Winter Grime Take Over Your Car Winter roads can leave your vehicle coated in mud, road grime, tree sap, bird droppings and other contaminants that do more than just spoil its appearance. If left to build up, this grime can damage your paintwork, trap moisture against metal surfaces and contribute to corrosion over time, particularly around the wheel arches and underbody. Regular washing throughout winter, including a thorough rinse underneath your vehicle, helps protect your car's finish and makes it easier to spot issues such as fluid leaks, damaged tyres or worn suspension components before they become bigger problems. A clean car isn't just nicer to drive—it's an important part of protecting your investment and keeping your vehicle in the best possible condition all year round. Is Your System Balanced? D & D Mechanical & 4WD has a state of the art Safe T Stop machine that can accurately test for shocker and brake wear and tear and provide you with a detailed report on the state of your vehicles ability to stop in an emergency. Call us today to book in for a Safe T Stop test.

Our 65 Point Vehicle Inspection Report is free with every service at D & D Mechanical & 4WD in Goolwa. Our qualified mechanics will visually check over the important components of your vehicle and provide you with a written report on the condition of your vehicle...

Winter Safety Checks and Servicing

It is a fact that you get to choose where your vehicle is serviced, maintained and repaired, at competitive prices. Wanting to snap up a great deal in the end of year car sales or getting your new car ready for the holidays with a service? Here is some sound advice from D & D Mechanical & 4WD in Goolwa. The purchasing of a new car is one of the most comprehensive investments you are likely to make, so the logical approach is to be sure to give it the care it deserves. Caring for your new car goes beyond detailing the interior and keeping it sparkling with a loving weekly wash, however. There are a few other things to consider, such as who is the best choice to service your car. You will want to ensure it is regularly serviced by a qualified professional, to the manufacturers requirements, using high quality parts from a reputable supplier and fluids which meet the manufacturers specifications. This is not just to look after your new car, but because if these four requirements are met you will also preserve the manufacturers warranty. It is a fact that you get to choose who will service your new car without voiding either the manufacturers warranty or your rights under the Consumer Guarantee. Dealers cannot force you to bring the car back to the dealership it was purchased from for service or repairs. Provided the work is implemented to the manfufacturers specifications by a suitably trained person and uses OEM quality parts and fluids, the warranty stands. You have the right to choose who services your car. With Repco Authorised Service you can tick all the boxes. Every D & D Mechanical & 4WD mechanic is fully qualified and Auto-Tech trained, giving them access to Australia's leading provider of automotive technical information and training. This means D & D Mechanical & 4WD mechanics are kept fully up to date with the latest in automotive service techniques and are able to service your new car without voiding the warranty. Repco branded parts & products are manufactured to stringent Repco quality standards, and are covered by the Repco Nationwide Warranty, giving you added protection. D & D Mechanical & 4WD will also only ever use fluids and lubricants that meet the specifications of the vehicle manufacturer. If you already own a new car or are thinking of purchasing one, make sure you clearly understand where your statutory rights begin and end Make sure you are aware of the diversity between statutory, manufacturer and extended warranties to ensure you make the right choices when it comes to servicing your new car. You are automatically covered by a statutory warranty, also known as a Consumer Guarantee, under Australian Consumer Law (ACL) and this statutory protection can never be superseded by manufacturer or express warranties (which are offered by the car maker and car dealer respectively). A lack of disclosure requirements on car dealers at the point of sale regarding these contracts can easily lead the consumer into making a choice to be bound by a long term contract without access to all of the details needed to make a properly informed decision. So when selling you your new car, keep an eye out for new car dealers who may try to push the incorporation of “express” or “extended” warranties, often for free. As a general rule these ‘additional' warranties may include quite extensive restrictions or provisions, and can sometimes seem too good to be true. Many times these arrangements provide no substantial additional benefits over and above the consumer's basic statutory rights and can tie the unwary buyer into a long term agreement with the dealership selling the car. Such arrangements are very unlikely to highlight the potential negative aspects involved with taking a new car back to the dealer for service or repair. This includes how far you will be travelling to get your car serviced or longer waiting times due to fewer available service locations or mechanics. Check out our frequently asked questions below for more information on New Car Service and warranties. If you need to know more, the AAAA website and ACCC website have some great information too. New Car Service Frequently asked questions What is a consumer guarantee? Under Australian Consumer Law (ACL), you are protected by a Consumer Guarantee which takes into account purchase price, realistic expectations of when a failure might occur, advertising claims and the conditions under which a vehicle should operate. Previously known as a Statutory Warranty, the Consumer Guarantee does not have a specific time limit associated with it nor can it ever be replaced by a manufacturers warranty, which is in addition to the Consumer Guarantee. What is a manufacturers warranty? Manufacturers warranties are essentially a promise to the buyer that the new vehicle will be free from defects for a specific time and that any such defects will entitle buyers to a repair or other compensation. According to the Competition and Consumer Act (2010), such warranties cannot state that a vehicle must be returned to an authorised dealer for service. What is an express or extended warranty? Often new car dealers will try to include "express" or "extended" warranties, sometimes for free, in the purchase of your new vehicle. These ‘extra' warranties are in addition to the manufacturers warranty and may include quite specific restrictions or provisions, usually in unclear or confusing language. Many of these contracts actually provide little or no additional benefits over and above the consumer's basic statutory rights and can tie the unwary buyer into a long term agreement with a specific car dealership. Extended warranties can (and often do) restrict you to a specific dealership, which can have its drawbacks. Can D & D Mechanical & 4WD service my new car without voiding the warranty? There is no requirement to service your car at a manufacturer’s dealership to preserve; Any manufacturer’s warranty (that may apply to your vehicle). Any state or territory based statutory warranty (that may apply to your vehicle). Your rights to Consumer Guarantees (formerly known as implied statutory warranties). What steps will D & D Mechanical & 4WD take to protect my warranty? D & D Mechanical & 4WD are fully qualified to carry out log book servicing, and we ensure all work is performed according to the manufacturer’s specifications, using appropriate quality parts, fluids and lubricants where required - meaning the manufacturer's warranty remains intact. In addition, all work carried out by D & D Mechanical & 4WD is backed by the Repco Authorised Service Nationwide Warranty. Can D & D Mechanical & 4WD stamp my logbook? D & D Mechanical & 4WD can and will stamp your log book to verify the work has been conducted by fully qualified staff according to manufacturer’s specifications, using appropriate quality parts, fluids & lubricants. Will having my car serviced with D & D Mechanical & 4WD help maintain the value? It goes without saying that a vehicle that has been well taken care of will maintain its value better than a poorly maintained one. Proof of a regular, properly adhered to service schedule will add further supporting evidence the car is in good condition. In addition to maintaining your warranty with correct service procedures, D & D Mechanical & 4WD will stamp your logbook, which can prove invaluable should you ever decide to sell the car. What about extended warranty or service plans? Motor vehicle dealers sometimes offer their own extended (or express) warranties on vehicles. These extra warranties often begin after the manufacturer’s warranty and may stipulate that the vehicle must be serviced by the actual dealer offering the warranty. They are generally within their right to impose this condition, but the buyer should beware, such warranties are not always what they seem. D & D Mechanical & 4WD will be happy to advise you on the conditions and relative value before you commit to any service plan. Find out more: New Car Warranty Service Full Car Service

D & D Mechanical & 4WD can service your new car using quality parts and fluids, preserving your warranty… It is a little known fact that you are free to choose where your vehicle is serviced, maintained and repaired, at competitive prices.

D & D Mechanical & 4WD - The Right Choice for New Car Service

When summer rolls around in South Australia, the open road beckons for adventure. Whether you're planning a family holiday, a scenic road trip, or towing a caravan or trailer, it’s essential to make sure your vehicle is up to the task. Long drives in the summer heat can put a strain on your car, particularly its air conditioning, radiators, and cooling systems. Overheating on the road is the last thing you want during your getaway, so taking steps to ensure your car stays cool and comfortable is vital for a stress-free journey. Air Conditioning, Radiators and Cooling Systems A properly functioning air conditioning system is key to staying comfortable during those hot summer days. From keeping the cabin cool to improving air quality, it’s an essential part of your driving experience. Likewise, your car’s radiator and cooling system play a crucial role in preventing the engine from overheating, especially when towing heavier loads like caravans or trailers. Regular inspections and maintenance can help avoid costly breakdowns and keep your plans on track. Brakes Your car’s brakes are vital for maintaining control and responding effectively to sudden stops, especially when driving on unfamiliar roads or in heavier traffic often encountered during holiday seasons. Before setting off, it’s important to check for any signs of wear and tear, such as squeaking noises, reduced responsiveness, or a spongy feeling when pressing the brake pedal. Additionally, ensuring that your brake pads, rotors, and fluid are in good working order will provide peace of mind and help you avoid potential issues on the road. Tyres Tyres, on the other hand, are the only part of your vehicle that makes direct contact with the road, so their condition significantly impacts your safety and fuel efficiency. Before your trip, inspect your tyres for adequate tread depth, uneven wear, and any visible damage, such as cracks or bulges. Tyre pressure should also be checked and adjusted according to your car manufacturer’s recommendations, particularly if you’ll be towing. Properly inflated tyres ensure better handling, improve fuel efficiency, and reduce the risk of blowouts—an especially important consideration for long stretches of highway driving. Finally, don’t forget about your spare tyre. Verify that it’s in good condition and properly inflated, as you never know when it might be needed. Taking these steps to maintain your brakes and tyres will not only make your drive safer but also help you enjoy the journey without unnecessary interruptions. Fluids and Batteries Fluids and batteries are two essential components of your vehicle that deserve special attention before setting off on summer holidays in South Australia. Whether you’re embarking on a long road trip or towing a caravan or trailer, ensuring these elements are in excellent condition will help your car handle the demands of the journey, keeping you safe and worry-free.

Fluids are the lifeblood of your car, and neglecting them can lead to costly breakdowns. Start by checking the engine oil, which is crucial for lubricating and protecting your engine during extended drives. If the oil is dirty or nearing its replacement interval, it’s time for a change. Next, inspect the coolant, as it plays a key role in regulating engine temperature. Topping it up or replacing it if necessary can prevent overheating, especially in the scorching summer heat. Brake fluid is another critical fluid to check, as it ensures your braking system functions properly. Low or degraded brake fluid can compromise your ability to stop effectively, particularly when towing heavier loads.

Transmission fluid and power steering fluid also deserve attention, as they contribute to smooth gear changes and steering performance. Lastly, don’t forget to check your windscreen washer fluid, which can quickly run out when driving through dusty or bug-prone areas. Keeping this fluid topped up will ensure clear visibility throughout your trip. Your car’s battery is equally important. Extreme temperatures and the added strain of running accessories like air conditioning can take a toll on its performance. Before heading off, inspect the battery terminals for corrosion and ensure they are securely connected. If your battery is more than a few years old or has been showing signs of weakness, such as slow engine cranking or dimming lights, it may be wise to have it tested or replaced to avoid an inconvenient breakdown. Wipers & Lights Wiper blades are your first line of defense against dust, dirt, bugs, and unexpected rain. Given South Australia’s often dusty and dry conditions, combined with the possibility of summer showers, it’s essential to ensure your wipers are in good working order. Over time, wiper blades can become brittle, cracked, or unevenly worn, which reduces their effectiveness in clearing your windscreen. Replacing old or worn-out wipers before your trip can save you the frustration of streaks or poor visibility when driving through challenging conditions. Additionally, make sure your windscreen washer reservoir is full and that the nozzles are functioning correctly—this is particularly important when navigating through bug-prone regions or dusty backroads. Lights are equally important, as they not only help you see but also make you more visible to other road users. Check all external lights on your car, including headlights, brake lights, indicators, and fog lights, to ensure they’re working correctly. Replace any blown bulbs and clean the light lenses to maximise brightness. Properly adjusted headlights are also critical, particularly if you’ll be driving at night or in rural areas with minimal street lighting. Poorly aligned lights can reduce visibility for you and cause glare for oncoming drivers. With the right preparation, your summer road trip can be as smooth and enjoyable as possible. Start by addressing your car's cooling systems to ensure they’re in top shape for your upcoming travels. Contact the Automotive Specialists D & D Mechanical & 4WD in Goolwa today.

Ensure a safe and stress-free summer holiday by preparing your car. Book in with D & D Mechanical & 4WD for a check of your cooling systems, brakes, tyres, fluids, batteries, wipers, and lights before hitting South Australia’s open roads.

D & D Mechanical & 4WD

Cars are our passion.

Love Your Car & Win

Air Filters

Hybrid and Electric Vehicle Servicing

Winter Safety Checks and Servicing

D & D Mechanical & 4WD - The Right Choice for New Car Service

Preparing Your Car for Summer Holidays