AAA Mechanical & LPG Services
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AAA Mechanical & LPG Services
The growth of AAA Mechanical - your Castle Hill Mechanic has been solely based on the company's belief in striving for excellence. We take pride in our ability to connect on a personal level and it is our intention to provide our clientele with valuable, Reliable & Excellent car Servicing and Car repair at very Competitive prices.

Contact AAA on 02 9899 3079 Today for a solution to all your Castle Hill car service and automotive needs. We Care: We pride ourselves in quality work - we care about your car and ensure we find the best possible solution at a competative price. Enjoy peace of mind with a warranty service for your new or late model vehicle, light commercial or 4WD.
Services
Proprietor Ross Harwood has been a professional and reputable mechanic for 30 years and is who you need if you are looking for a Car Service in Castle Hill. AAA Mechanical the Best Mechanics in Castle Hills. Ross founded AAA Mechanical in 1994 offering professional services as a sole trader to his already long standing customer based clientele.
Servicing your car on a regular basis by a qualified car mechanic will extend the serviceable life compared to a vehicle with minimal service history. During a car service potential problems can be identified and addressed before they evolve into something more costly or dangerous. Large or small, AAA Mechanical have a Fleet maintenance Solution to suit your business.
The alternator generates electricity to keeps your electronics operating & battery charged. We offer a full range of exchange alternators & other auto electrical components like starter motors. Automatic transmission needs to be serviced regularly as it is an expensive component to repair or replace.
Vehicle gearboxes & differentials need scheduled maintenance; we also offer a repair or replacement service to get you back on the road sooner. We have the mechanical knowledge & experience to help you keep your car running reliably while keeping the costs of servicing & car mechanical repairs to a minimum.
LPG Gas Conversions Book Your LPG Gas Conversion LPG can be up to 80c a litre cheaper than unleaded petrol The Government does not charge exise tax on LPG. And you really see the difference it can make when you look at the savings over a year.

For example, if LPG averaged 68.9 cents per litre, while unleaded petrol averaged 145.9 per litre, a Holden Commodore driver travelling just 20,000 kilometres a year on LPG would save $1,384 - the equivalent of 27 per week.With the price of petrol continuously on the rise, LPG Conversion is a real alternative as LPG can cost up to 60% less than petrol.
Reviews (9)
Denny Allan
Denny Allan
Oct 21, 2021
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WHAT A MECHANIC!!!! Ross is a champion and I don't say that likely. He took our car with an intermittent mystery fault and worked relentlessly across a few weeks to find the problem. We were so relieved and grateful for his mechanical smarts because really... he gave us our car back! Thanks Ross - its going strong! Any mechanic is really your cars Doctor... you want to be able to trust the advice they are giving you and believe in the surgery they are doing on your vehicle. I feel very lucky to have Ross and his team taking care of our cars. Prices are fair. I happily recommend AAA Mechanical to
S. W.
S. W.
Jul 20, 2021
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I went to them for a servicing to get my pink slip - I had to take my car 3 times because they didn't have the right parts because they got my model wrong (even though it's clearly labelled). They had the nerve to charge me for 2 full days of work even though it should have been completed on the first day.
After paying them for a service and new parts for my breaks, 1 week later my engine light comes on as it's causing trouble. You would think they could have picked it up during the servicing? Anyway that's another full days worth of work on my car plus maintenence on my engine and when asked
Steve Pyle
Steve Pyle
Jul 14, 2021
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Positive: Professionalism, Quality
I had an intermittent problem with my VW UP! not starting. I found that the team at AAA Mechanical very professional and worked through to get to the cause of the problem. The car now performs as good as new. As a result of the excellent service I received from AAA I have booked my VW EOS for a service.
Service: Check engine light diagnostic
Min Gee So
Min Gee So
Jun 19, 2021
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Booked in for a blue slip, for a completely stock motorbike, which I bought new from Fraser Motorcycles.
He knocked me back, saying the exhaust was too loud. Yet he does not measure the volume and says I need to get a decibel report that says the volume is within limits.
Have you got rocks in your head? You are the one that's supposed to give the report that the bike is compliant.
Couple mechanics in the area said it definitely wasn't too loud but either didn't do blue slips or were booked out.
Wasted my afternoon.
Ruby Redford
Ruby Redford
Jun 12, 2021
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I booked in for a pink slip at the last minute because I’d forgotten my rego was due within a day. Even though Ross was really busy, he happily squeezed me in the same day.
I found the service to be professional and accommodating. They did an excellent job, and also provided me with further advice about care of my motor vehicle. I can definitely recommend AAA and will be back in the future.
Mark G.
Mark G.
May 05, 2021
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Ross was great, very knowledgeable and helpful, important when trying to find a good, local mechanic. Was there for a simple rego check but he was happy to have a chat about, and provide advice on, other elements of the car. Thanks Ross.
Julie Parkinson
Julie Parkinson
Apr 09, 2021
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I rang Ross desperate to get a pink slip for a car I just found out was unregistered. He was already booked up but went to the effort to help me out immediately. Amazing service and so nice to deal with someone who understands when you're in a predicament. Thanks so much Ross!
Kellie O'Riordan
Kellie O'Riordan
Jan 20, 2021
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My family have been long time customers of AAA and we have always found them to be honest, reliable and very well priced. You can trust them to do an exceptional job of fixing your car. This is extremely important to me as he maintains my children's cars.
I highly recommend AAA Mechanical Services.
Alexander Tanudjaja
Alexander Tanudjaja
Dec 07, 2020
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I’ve been a happy customer of AAA for the last 8 years and have never even thought of taking my car to another service mechanic since. Ross & team have always delivered professional, top quality service at reasonable & affordable rates. They know their stuff well, honest and upfront in their dealings. I would highly recommend them to anyone!