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Sunbury Automatics and Mechanical take great pride in offering their clients personalised, and friendly service at all times. 

Conveniently located in Sunbury, the 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. 

Sunbury Automatics and Mechanical have a wealth of experience in servicing all 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.

Get ready to experience the thrill of the Supercars Gold Coast 500 - on us! Simply replace your car battery with a Repco battery at Repco Authorised Service and you could be heading to one of Australia’s most exciting motorsport events with your family. This is your chance to combine essential vehicle maintenance with an unforgettable holiday experience. What You Could Win One lucky winner will receive: Return flights for 2 adults and 2 children (if required) 3–4 nights accommodation 4 x General Admission Tickets to the Supercars Gold Coast 500 $500 spending money allowance Supercars merchandise pack Theme park tickets for 2 adults and 2 children Airport transfers (if required) From high-speed track action to theme park fun and beachside relaxation, this prize package delivers the ultimate family getaway. How to Enter Entering is easy: Have your car battery replaced with a Repco battery at Sunbury Automatics and Mechanical between 1 June and 31 July 2026. Then, complete your entry online here. That’s it! You’ll be in the draw to win an incredible Gold Coast Supercars experience. Why Wait? A new battery keeps your vehicle reliable and ready for the road — and now it could also put you on track for an unforgettable family holiday. Book your battery replacement today at your Sunbury Automatics and Mechanical and get your entry in before 31 July 2026. View full terms and conditions here. Don’t miss out - start your engines and enter today!

Enter for your chance to win a family trip to the Supercars Gold Coast 500! Replace your battery with Sunbury Automatics and Mechanical between 1 June and 31 July 2026 to go in the draw.

Win a Family Gold Coast Experience

Repco Authorised Service is Australia's largest network of independent car service workshops and with that comes the reliability of a Nationwide Warranty. Each independently owned Repco Authorised Service workshop offers you an Australian-wide warranty ensuring the goods and services you receive are free from defects in materials and workmanship. This warranty is in addition to your rights under the Australian Consumer Law. If something does go wrong or you have a question about our Nationwide Warranty, please get in touch with us here. With over 500 Repco Authorised Service centres Australia wide, there are few places you won't find one of our workshops within easy reach. Warranty Period For services provided by any Repco Authorised Service workshop, the warranty is for a period of 12 months or 20,000kms (whichever comes first) from the date of your invoice. Claims If you need to make a claim under the warranty, please contact the Repco Authorised Service workshop that originally completed the work on your vehicle. The workshop where the work was originally performed will be responsible for responding to and accepting claims. If the original workshop can't help, they may authorise another workshop in the network to assist. Terms and Conditions What does the warranty cover? The Repco Authorised Service workshop will have the option of reperforming, replacing or repairing the good or service if it is or becomes defective during the warranty period, at no additional charge.
a.       Where the good or service is replaced, repaired or reperformed pursuant to this warranty, the replacement good or reperformed service will be subject to the terms of this warranty commencing on the date of the original invoice.
b.       If you request for a good to be repaired, your Repco Authorised Service workshop may choose to replace the good with a refurbished good of the same type. The warranty will cover any reasonable diagnosis or scanning fees conducted by the relevant Repco Authorised Service workshop, if such goods or services are later found to be defective. If the work done on your vehicle involves the supply of services from another service provider nominated by the Repco Authorised Service centre, the warranty offered by such service provider will replace this Nationwide Warranty to the extent of such goods .  The Repco Authorised Service centre will advise you of the terms and conditions of such warranty. The rights and obligations under this warranty remain solely with the original Repco Authorised Service workshop that provided you with the product or service. The benefit of this warranty is personal to you and is not transferable. What does the warranty not cover? This warranty does not cover: normal wear and tear and consumable goods such as globes, wipers, and fluids; loss of any data stored in your vehicle like music or phone numbers; and any incidental loss or damage caused by the defect, such as towing fees, loss of profits, loss of use and loss of goodwill or other loss or damage that cannot reasonably be considered to arise normally. This warranty is void if the defect is a consequence of misuse, neglect, abuse, incorrect operation or improper maintenance of the vehicle, accident, or other use that is not otherwise caused by a Repco Authorised Service workshop. How to submit a warranty claim Step 1: Have your original invoice ready. Step 2: Ensure that you make your claim within the warranty period. Step 3:  Please contact the Repco Authorised Service centre that carried out the relevant repairs or maintenance on your vehicle. Their contact details are on  your original invoice.  Your rights under the Australian Consumer Law The goods and services acquired from a Repco Authorised Service workshop comes with guarantees that cannot be excluded under the Australian Consumer Law. For major failures with the service, you are entitled: to cancel your service contract with us; and to a refund for the unused portion, or to compensation for its reduced value. You are also entitled to choose a refund or replacement for major failures with goods. If a failure with the goods or a service does not amount to a major failure, you are entitled to have the failure rectified in a reasonable time. If this is not done, you are entitled to a refund for the goods and to cancel the contract for the service and obtain a refund of any unused portion. You are also entitled to be compensated for any other reasonably foreseeable loss or damage from a failure in the goods or service.

Enjoy peace of mind with the Repco Authorised Service Nationwide Warranty. Quality parts and labour covered at over 500 locations across Australia.

Nationwide Warranty

Lost or damaged your car key? We've got you covered! Have you misplaced your car key, or is it no longer working properly? Our key replacement and programming service is here to help you get back on the road quickly and easily. We use the latest tool and technology to ensure your new key is programmed accurately and works seamlessly with your vehicle's security system. The team at Sunbury Automatics and Mechanical are trained and highly proficient in handling key replacements and programming for a wide range of vehicle makes and models. You can trust us to get the job done right the first time. Whether your key is lost, broken, stolen or just needs servicing, get in contact with us. Be sure to have the YEAR, MAKE and MODEL of your car to ensure our experts are able to duplicate your key effectively with teh specialist equipment at our disposal.  Sunbury Automatics and Mechanical are leading expert automotive technicians in Sunbury and surrounding areas. Use our handy online contact us form and we will be in touch next day to confirm the details.

Have you misplaced your car key, or is it no longer working properly? Our key replacement and programming service is here to help you get back on the road quickly and easily.

Key Replacements & Programming

When it comes to towing a trailer, caravan, or campervan, safety isn’t optional—it’s essential. At Sunbury Automatics and Mechanical in Sunbury, we provide comprehensive servicing for all your towing vehicles, ensuring every journey is smooth, reliable, and safe. As an independently owned Repco Authorised Service centre, we combine technical expertise with a friendly, local approach to keep you and your load secure. Safety Inspections Before Every Trip Before you hit the road, especially after a trailer has been in storage for a year or more, a full safety inspection is vital. Tyres deteriorate over time regardless of use, wheel bearings can dry out or leak and suspension components may seize or corrode. Our inspections cover tyre condition and pressure, brake performance, suspension integrity, wheel bearing lubrication or replacement, chassis condition and electrical systems. Identifying potential issues early protects you, your vehicle and your cargo. Brakes, Bearings and Suspension Electric brake controllers and mechanical brakes are essential for safe towing. Symptoms of wear include unusual noises, poor braking response, or uneven stopping. Wheel bearings that are dry, worn, or leaking can affect handling and cause uneven tyre wear, while compromised suspension may lead to swaying or reduced stability. Our experts adjust brakes, pack or replace wheel bearings, check suspension systems and ensure everything is calibrated to work together seamlessly, giving you confidence on every journey. Tyres, Lighting and Chassis Checks Tyres are the only contact your trailer or caravan has with the road. We inspect for cracks, tread wear, and overall integrity, replacing them as needed. Electrical lighting checks prevent accidents and legal issues, while coupling and jockey wheel lubrication ensures smooth manoeuvrability. Structural inspections detect rust, cracks, or damage to the chassis, which, if ignored, can compromise the entire trailer. Regular servicing prolongs lifespan, improves safety, and reduces costly repairs. Tips for Maintaining Your Trailer, Caravan or Campervan Regularly inspect tyres and replace every 5–7 years, even if lightly used. Keep wheel bearings greased and check seals annually. Check and test brakes before every trip. Lubricate couplings and jockey wheels to avoid stiffness or wear. Store your trailer in a dry area to minimise rust. Did You Know? Even when stationary, trailers can suffer damage from moisture, UV exposure and insects. A comprehensive check is often needed before a long trip, regardless of apparent storage conditions. Trailer Servicing FAQs How often should I service my trailer or caravan? At least once a year, or before any long trip—especially after storage periods. Can I service electric brakes myself? While minor adjustments are possible, a qualified technician ensures correct calibration and safety. What are the signs of worn wheel bearings? Humming noises, vibration, uneven tyre wear, or excessive play in the wheels. Do tyres really deteriorate if the trailer isn’t used? Yes—UV exposure, temperature changes, and age can degrade rubber even without mileage. Why is chassis inspection important? Hidden rust or cracks can compromise structural integrity and towing safety. Book In Your Safety Inspection And Service At Sunbury Automatics and Mechanical in Sunbury, we’re your trusted local experts for trailer, caravan, and campervan servicing. As a Repco Authorised Service centre, we combine technical knowledge with hands-on experience to keep you safe and your vehicle performing optimally. Book a full safety inspection today and travel with peace of mind.

Ensure safe towing with expert trailer, caravan & campervan servicing at Sunbury Automatics and Mechanical in Sunbury. Brakes, wheel bearings, tyres, suspension & safety inspections. Book today!

Hit the Road Safely: Trailer, Caravan & Campervan Servicing in Sunbury

Cabin or Pollen filters are your invisible line of defence against allergens inside your car, working to filter out irritants that can trigger allergic reactions. At Sunbury Automatics and Mechanical in Sunbury, we recommend having your filters checked and replaced regularly to ensure a safer and more comfortable drive. Anyone who suffers from allergies knows that just because spring has passed, it doesn’t mean the discomfort has disappeared. While it’s well-known that spending time outdoors can expose you to allergens, fewer people realise that the air inside your car can be significantly more polluted than the air outside. It can contain harmful bacteria, dirt, pollen, fungi, and the unavoidable summer dust that often finds its way into our vehicles. These contaminants can enter the passenger cabin unfiltered through the vehicle's air intake system, potentially causing allergies, asthma, headaches, nausea, fatigue, or dizziness. Needless to say, none of these are ideal when trying to enjoy a drive or focus on the road ahead Thankfully, there are ways to mitigate these risks. One simple and effective measure is ensuring that your cabin air filter is in good condition. Most vehicles manufactured since the late 1990s come equipped with a cabin air filter. At Sunbury Automatics and Mechanical in Sunbury, we are proud to recommend and install high-quality Ryco Filters, which are designed to effectively trap pollutants and improve air quality inside your car. What many drivers don’t know is that a clogged or worn-out cabin air filter can also affect your car’s air conditioning system. When the filter becomes blocked with debris, it can reduce airflow, causing your air conditioning to work harder and possibly even consume more fuel. Replacing the filter not only enhances the air quality but also helps maintain the efficiency of your vehicle's ventilation system. For a clean, fresh, and more comfortable ride, visit us at our workshop and let our team ensure your cabin air filter is up to the task.

Reduce allergens, dust, and pollutants in your car with quality cabin air filters. Ensure a healthier, more comfortable drive while maintaining your vehicle’s air conditioning efficiency.

Air Filters and Allergies

Motor oil is the most important fluid in your car after fuel—but what keeps it clean? Your car's oil filter cleans the oil multiple times per minute, removing solid particles of dirt, carbon, and metal fragments. If left unchecked, these contaminants can damage bearings and cylinder wall surfaces, increase engine wear, and shorten your engine's lifespan. Sunbury Automatics and Mechanical are experts in maintaining the health of your vehicle's systems, ensuring they work at their best.   Replacing oil filters regularly is essential to protect your engine's life and sustain optimal performance. While manufacturers provide guidelines for when filters should be changed, the actual timing depends on various factors, such as driving conditions, filter age, engine age, and mileage. Ideally, oil filter changes should follow the logbook schedule at a minimum, but it’s often better to replace them sooner if needed. One thing is clear: routine oil filter replacement helps safeguard your engine and oil, ultimately saving you money by preventing expensive repairs in the long run. Don't forget that oil filters should always be replaced when the engine is flushed as it has collected debris and contaminants which shouldn't be reintroduced into clean engine oil. At Sunbury Automatics and Mechanical, we recommend checking and replacing the oil filter during every full car service. Regular checks not only keep your car running smoothly but also provide peace of mind.   Did you know? A clogged oil filter can cause the oil pressure warning light to illuminate on your dash, as the filter restricts the flow of oil through the engine. This is another reason why keeping your oil filter in top condition is so important.   We offer logbook services and much more for a wide range of makes and models, all conveniently located right here in Sunbury. Call us today to discuss your car and its last service, and we'll provide you with a quote.

Keep your engine running smoothly with clean oil. Learn why oil filters are vital for removing contaminants and how regular replacements protect your engine and extend its lifespan. Let Sunbury Automatics and Mechanical take care of your car.

Sunbury Automatics and Mechanical

Cars are our passion.

Win a Family Gold Coast Experience

Nationwide Warranty

Key Replacements & Programming

Hit the Road Safely: Trailer, Caravan & Campervan Servicing in Sunbury

Air Filters and Allergies

Oil Filters