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Port City Mechanical take great pride in offering their clients personalised, and friendly service at all times. 

Conveniently located in South Gladstone, 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. 

Port City 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 Port City Mechanical and Servicing 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 Port City Mechanical and Servicing 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 Port City Mechanical and Servicing 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

Port City Mechanical and Servicing in South Gladstone, QLD is an Approved Inspection Station (AIS) and can issue Safety Certificates (formerly Roadworthy Certificates RWC) for vehicles registered in Queensland. This inspection covers the basic vehicle safety standards for many components including: Tyres Brakes Suspension Steering Body damage or Rust Lights Windscreen A Safety Certificate Inspection is not a comprehensive mechanical inspection on the quality, or life expectancy of a vehicle. Talk to us today about the different types of inspections available at Port City Mechanical and Servicing and which one will best suit your needs.

Port City Mechanical and Servicing in South Gladstone, QLD is an Approved Inspection Station (AIS) and can issue Safety Certificates (formerly Roadworthy Certificates RWC) for vehicles registered in Queensland.

QLD Safety Certificates

For many drivers, fuel costs are one of the biggest ongoing expenses of vehicle ownership. What many don’t realise is that regular log book servicing plays a critical role in keeping fuel consumption under control. At Port City Mechanical and Servicing in South Gladstone, we help motorists maximise efficiency through precise, manufacturer-approved servicing that keeps every system working as intended.

Log book servicing isn’t just about maintaining your warranty—it’s about ensuring your vehicle operates at peak performance. When key components are clean, calibrated, and functioning correctly, your engine doesn’t have to work as hard, meaning it uses less fuel to deliver the same performance. How Log Book Servicing Improves Fuel Efficiency Modern vehicles are finely tuned systems. Even minor inefficiencies can increase fuel consumption over time. A scheduled log book service addresses multiple areas that directly influence how much fuel your vehicle uses. Fuel System Maintenance (Fuel Filters & Injectors) The fuel filter removes contaminants before fuel reaches the engine. Over time, it can become restricted, reducing fuel flow and causing the engine to run inefficiently. Dirty or partially blocked injectors can also disrupt the spray pattern, leading to incomplete combustion and increased fuel usage. Tyre Pressure and Rolling Resistance Under-inflated tyres create more resistance on the road, forcing the engine to work harder. As part of a log book service, tyre pressures are checked and adjusted to manufacturer specifications, improving both fuel economy and tyre life. Air Intake and Filtration A clean air filter ensures the engine receives the correct air-to-fuel ratio. If the filter is clogged, the engine may compensate by using more fuel, reducing efficiency and performance. Engine Oil and Internal Friction Old or degraded engine oil increases internal friction. Fresh, manufacturer-recommended oil reduces resistance within the engine, allowing it to run more smoothly and efficiently. Spark Plugs and Ignition System Worn spark plugs can cause incomplete combustion, misfires, or reduced power. This leads to wasted fuel and higher consumption. Symptoms Your Vehicle May Be Using Too Much Fuel Fuel inefficiency often develops gradually, making it easy to overlook. Common signs include: Increased fuel consumption without changes in driving habits Sluggish acceleration or reduced engine performance Rough idling or engine hesitation Strong fuel smell or dark exhaust smoke Frequent need to refuel If you notice any of these symptoms, a log book service at Port City Mechanical and Servicing in South Gladstone can identify and correct the underlying issue. What Other Systems Are Affected? Fuel efficiency is closely linked to several other vehicle systems: Engine management system – Sensors and ECU adjustments influence fuel delivery Exhaust system – Blockages or faulty components affect airflow and combustion efficiency Cooling system – An overheating engine burns more fuel Transmission – Poor shifting or slipping increases engine load Addressing these systems during routine servicing ensures your vehicle operates efficiently as a whole. Benefits of Regular Log Book Servicing Keeping up with scheduled servicing delivers measurable advantages: Improved fuel economy and lower running costs Smoother engine performance and drivability Reduced emissions and environmental impact Longer engine and component lifespan Maintained manufacturer warranty compliance For drivers in South Gladstone, where stop-start traffic, heat, and long-distance travel can all impact fuel use, regular servicing is especially important. Tips to Improve Fuel Efficiency Between Services Check tyre pressure monthly Avoid aggressive acceleration and braking Remove excess weight from your vehicle Use the correct fuel type recommended by the manufacturer Don’t ignore dashboard warning lights These simple habits, combined with regular servicing, can significantly reduce fuel usage. Log Book Servicing For Fuel Efficiancy FAQs How often should I get a log book service? Follow your manufacturer’s recommended intervals, usually every 10,000–15,000 km or 6–12 months. Will log book servicing really save fuel? Yes. Maintaining clean filters, correct pressures, and proper engine tuning ensures optimal fuel use. Can a dirty fuel filter damage my engine? Over time, yes. Restricted fuel flow can cause strain on the fuel pump and reduce engine performance. Does air conditioning affect fuel economy? It can slightly increase fuel use, especially in hot climates like South Gladstone, but a well-maintained system minimises the impact. Is premium fuel better for efficiency? Only if your vehicle is designed for it. Using the wrong fuel type won’t improve efficiency. Do newer cars still need regular servicing for fuel efficiency? Absolutely. Modern engines are efficient, but they rely heavily on properly functioning sensors and components. Your Local Car Servicing Experts At Port City Mechanical and Servicing in South Gladstone, we take a comprehensive approach to log book servicing, ensuring every component contributing to fuel efficiency is inspected, serviced, and optimised. As a Repco Authorised Service centre, we follow manufacturer specifications while delivering personalised, local expertise you can trust.

Book your next log book service with Port City Mechanical and Servicing today and experience the difference a well-maintained vehicle can make.

Improve fuel efficiency with expert log book servicing in South Gladstone. Port City Mechanical and Servicing checks tyres, filters, and engine systems to reduce fuel costs. Book today.

Fuel Smarter, Drive Further: How Log Book Servicing Boosts Fuel Efficiency

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 Port City Mechanical and Servicing in South Gladstone, 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 Port City Mechanical and Servicing in South Gladstone, 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. Port City Mechanical and Servicing 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 Port City Mechanical and Servicing, 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 South Gladstone. 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 Port City Mechanical and Servicing take care of your car.

Port City Mechanical and Servicing

Cars are our passion.

Win a Family Gold Coast Experience

Nationwide Warranty

QLD Safety Certificates

Fuel Smarter, Drive Further: How Log Book Servicing Boosts Fuel Efficiency

Air Filters and Allergies

Oil Filters