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We advise that our workshop will be closed for the Christmas period from the close of business on the Friday 22nd of December and reopening on Monday 15th of January

Ultimate Automotive take great pride in offering their clients personalised, and friendly service at all times.
Conveniently located in Bonnyrigg, 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.
Ultimate Automotive 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.


Are you ready to hit the road with confidence? We’re giving 21 lucky winners the chance to win a $100 voucher for Repco Authorised Service! That’s one winner every day for 21 days. Whether your car needs a service, a tune-up, or just a little TLC, this is your chance to get it sorted – on us! All you need to do is hop on over to www.repcoservice.com and go on a little hunt... if you find the easter egg - make a note of what page it's on and then enter your favourite road trip destination! 
A little hint - You might CHOOSE US if you need a LOGBOOK SERVICE!
Happy Hunting ! 

We’re giving 21 lucky winners the chance to win a $100 voucher for Repco Authorised Service!

Win $100 off your next service!

Get Your Car Ready for the Summer Holidays with Regular Servicing Summer is a time for family road trips and outdoor adventures, but before you hit the road, it’s essential to make sure your vehicle is in top-notch condition. One way to ensure a stress-free and enjoyable journey is by booking a regular car service well ahead of the holiday season. In Bonnyrigg, Ultimate Auto Electrical and Mechanical Repairs provides expert car servicing to help you prepare for the summer holidays. Let’s delve into why scheduling your service early is crucial and the benefits of regular maintenance for your car. Plan Ahead to Beat the Christmas Rush As the summer season approaches, many people start planning their holiday getaways. It’s a busy time, not only for families but also for car service workshops. Many workshops, including Ultimate Auto Electrical and Mechanical Repairs, experience an influx of customers looking to get their cars serviced before embarking on holiday trips. This period is also marked by the Christmas break when many workshops close for a well-deserved holiday. Booking your car service early is key to avoiding the last-minute rush. It ensures that your vehicle is serviced in time, leaving you with one less thing to worry about as you prepare for your summer adventures. Early booking with Ultimate Auto Electrical and Mechanical Repairs guarantees your car is ready and waiting when you need it the most. Importance of Air Conditioning Service When the temperatures rise during the Australian summer, a well-functioning air conditioning system is a must-have for any vehicle. Not only does it keep the car cool, but it also enhances comfort during long drives. At Ultimate Auto Electrical and Mechanical Repairs, air conditioning service is a priority, especially given the impact of environmental factors on performance. Ultimate Auto Electrical and Mechanical Repairs holds Arctick Authorisation (AU42283), which means they are fully qualified to handle all aspects of automotive air conditioning, from regas to repairs and servicing. This authorisation reflects a commitment to environmentally responsible practices, ensuring that your car’s air conditioning is not only effective but also eco-friendly. Regular air conditioning maintenance can prevent minor issues from becoming major problems. It ensures that your system is operating efficiently, which can also contribute to fuel savings—a valuable benefit during extended road trips. Basic Mechanical Tasks for Safe Holiday Driving A regular car service at Ultimate Auto Electrical and Mechanical Repairs covers a range of mechanical tasks that are crucial for safe driving, especially during the holidays. These services often include oil changes, brake inspections, tyre rotations, and checking the battery and electrical systems Oil changes keep the engine running smoothly and help prevent overheating, while brake inspections ensure you can stop safely in any situation. Tyre rotations and pressure checks are vital for maintaining grip and fuel efficiency, especially on long drives. By addressing these basic tasks, you enhance your vehicle’s performance and safety, making for a smoother and more reliable journey. Nationwide Warranty for Peace of Mind One of the standout benefits of getting your car serviced at Ultimate Auto Electrical and Mechanical Repairs is the peace of mind that comes with a nationwide warranty. As a member of the Repco Authorised Service network, Ultimate Auto Electrical and Mechanical Repairs offers the reliability and reassurance that wherever your travels take you across Australia, you’re covered. Having your car serviced by professionals who are backed by a nationwide warranty means that if any issues arise during your travels, you can have them addressed without hassle. This security is invaluable, providing confidence that you are not alone even if you encounter car troubles far from home. Why Choose Ultimate Auto Electrical and Mechanical Repairs for Your Pre-Holiday Car Service Choosing Ultimate Auto Electrical and Mechanical Repairs for your car service needs means entrusting your vehicle to a team of highly skilled and up-to-date technicians. As part of the Repco Auto Tech training program, their mechanics are regularly trained in modern vehicle repair methods, ensuring that your car receives the best care possible. As a family-owned business, Ultimate Auto Electrical and Mechanical Repairs understands the importance of personal service. They take the time to get to know their customers, offering tailored advice and service that meets individual needs. This personalised approach, combined with professional expertise, makes them a trusted choice for vehicle owners in Bonnyrigg. Preparing for the summer holidays with regular car servicing is an essential step to ensure a safe and enjoyable journey. By booking early with Ultimate Auto Electrical and Mechanical Repairs, you avoid the Christmas rush and have the assurance that your vehicle is in expert hands. With comprehensive services ranging from air conditioning checks to essential mechanical tasks, Ultimate Auto Electrical and Mechanical Repairs helps you hit the road with confidence, backed by a nationwide warranty. So, as you plan your summer adventures, don’t forget to schedule a service and enjoy the peace of mind that comes with a well-maintained vehicle.

Ensure your car is ready for the summer holidays in Bonnyrigg by scheduling an early service with Ultimate Auto Electrical and Mechanical Repairs. Learn the importance of regular car maintenance, especially before the Christmas rush, and enjoy peace of mind with a nationwide warranty…

Preparing Your Vehicle for the Summer Holidays

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, Ultimate Auto Electrical and Mechanical Repairs to service and repair your vehicle. As a Repco Authorised Service centre, Ultimate Auto Electrical and Mechanical Repairs 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 Bonnyrigg 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.

Ultimate Auto Electrical and Mechanical Repairs - 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. Ultimate Auto Electrical and Mechanical Repairs in Bonnyrigg 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 Ultimate Auto Electrical and Mechanical Repairs in Bonnyrigg 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!

Radiator Coolant

Faulty and low charge batteries are to be avoided. Don't wait till you're stranded somewhere on the side of the road, hoping for a jump start. It is easy to have your car, bike, truck battery tested or charged up at Ultimate Auto Electrical and Mechanical Repairs in Bonnyrigg.  Often issues occur because we have all reduced how much we drive or decided to only rely on one car (as petrol prices skyrocket!) and have left the other in the garage. But did you know that batteries can still discharge even when your car isn't in use? - ask Ultimate Auto Electrical and Mechanical Repairs about a battery test today!  Our technicians do a battery load test as part of the 65 Point Vehicle Inspection Report that comes free with every car service. If you have concerns, we can do a stand-alone battery test and inspection right here in Bonnyrigg. Car Battery FAQ How do I know if my battery is getting flat or low? The most obvious sign of a flat battery is when your car won't start, but modern motor vehicles can show symptoms like non-essential functions not operating correctly - things like idle stop-start function not working, or the car's air-conditioning not working effectively.
Other signs you might need a new car battery include: Vehicle is slow to start Engine won't start Dash Lights work, but engine won't start Constantly needing a jump start Film or corrosion on the battery Cracked swollen or leaky battery Rotten egg smell under the hood Do I need a new car battery? The most obvious sign of a flat battery is when your car won't start. Modern motor vehicles can show symptoms like the idle stop-start not working or the car's air-conditioning not working to full capacity.

Other signs include cracked, dirty or leaky batteries, a rotten egg smell under the hood of your car, or regularly needing a jump start or recharge. The best way to know if you need a new battery is to get a car battery test at {{{businessName}}} Does a flat battery use more fuel? Yes! When your car battery is running flat, the alternator works harder to recharge the battery. This added load on the engine means it burns more fuel. Where can I buy a new car battery? Come in and see us! As a Repco Authorised Service Centre, {{{businessName}}} have access to the highest quality batteries to suit most vehicles. Who can test my car battery? {{{businessName}}} can do a battery load test. Phone us or visit the workshop today. Why choose {{{businessName}}} for a battery test? If you have concerns about your vehicle's performance, it is wise to get your battery tested at a full-service workshop like {{{businessName}}} rather than at a parts store. That's because we take into consideration the whole vehicle and can diagnose any deeper issues. There is nothing worse than replacing your car battery only to find the problem actually lies elsewhere… except maybe being told your battery test is fine with no explanation for your ongoing issues! Can my car battery be recharged? Yes, in fact the battery is being recharged by the alternator in your car whenever the engine is running. Sometimes this fix isn't enough, and your battery requires an external recharge. It's best to ask the professionals like our team at {{{businessName}}} about this, as you could void the battery warranty by recharging it yourself. Sometimes external recharging is not the best option because every battery eventually reaches a point in its life where replacement is the only answer to avoid unexpected breakdowns. Can I fit my battery myself? The short answer is yes...But! Modern vehicles are “computers on wheels”, so if you decide to DIY you must follow proper installation procedures to avoid damaging the ECM (Engine Control Module) and TCM (Transmission Control Module). Plus, if the battery gets incorrectly installed, items like the radio, the navigation system and security codes may need to be professionally reset. Talk to {{{businessName}}} today. We can recommend the right battery for your needs and install it for you. 

Ever replaced your battery only to find your car problem wasn't fixed? Don't be left feeling flat, get your battery tested at a full service workshop.

Ultimate Auto Electrical and Mechanical Repairs

Cars are our passion.

Win $100 off your next service!

Preparing Your Vehicle for the Summer Holidays

There's a new gas in town

Ultimate Auto Electrical and Mechanical Repairs - Our expertise & knowledge

Radiator Coolant

Car Battery Testing and FAQ