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Mechanics in Williamstown SA

36 mechanics2 based here · 34 serve the area★ 5.0 average from 2 reviews

About these results

Based here first, then mechanics by rating, then related trades.

A business is Featured only when it holds our Featured plan; Featured is a listing plan, not a rating.

36 mechanics based in or serving Williamstown; listings updated 7 Oct 2026.

  1. Barossa Auto Service

    Mechanics

    8 Mount Crawford Rd, Williamstown SA 5351

    Directions View profile

    Mechanic in Williamstown, SA for oil changes and routine vehicle servicing, serving the Barossa and nearby areas.

    • Oil change

    8 Mount Crawford RdWilliamstown SA 5351

  2. SFM Performance

    Mechanics

    Needles Rd, Williamstown SA 5351

    Directions View profile

    Mobile mechanic in Williamstown, SA, bringing on-site mechanical work to drivers across the Adelaide Hills and Barossa.

    • On-site services

    Needles RdWilliamstown SA 5351

    Closed · opens tomorrow 8:30 am

  3. Based nearby, serving Williamstown

    These businesses aren't based in Williamstown but list it as a service area.

  4. A1 aussie mobile mechanics

    Mechanics

    Based in Gawler Belt SA · serves Williamstown

    Directions View profile Serves this area

    Mobile mechanic based in Gawler Belt, SA, covering Gawler to Adelaide for logbook servicing, brake repairs, drive shaft repairs and vehicle inspections.

    • Logbook servicing
    • Brake repairs & servicing
    • CV drive shaft repairs

    Based in Gawler Belt SAServes Williamstown

  5. Auto Masters Gawler

    Mechanics

    Based in Gawler SA · serves Williamstown

    Directions View profile Serves this area

    Mechanic in Gawler, SA for logbook servicing, fixed price servicing, tune-ups and major repairs.

    • Logbook servicing
    • Fixed price servicing
    • Routine tune-ups

    Based in Gawler SAServes Williamstown

    Closed · opens tomorrow 8:00 am

  6. Barossa 4x4 & Outdoors

    Mechanics, Auto Electricians, Tyres, Diesel Mechanics

    Based in Greenock SA · serves Williamstown

    Directions View profile Serves this area

    Mechanical workshop in Greenock, SA, servicing the Barossa, for car servicing, diesel engine repair, air conditioning and wheel alignments.

    • Car air conditioning
    • Wheel alignment and balancing

    Based in Greenock SAServes Williamstown

    Closed · opens tomorrow 8:00 am

  7. Battery World Gawler

    Mechanics, Auto Electricians, Caravan Repairs

    Based in Gawler South SA · serves Williamstown

    Directions View profile Serves this area Est. 2017

    Battery shop in Gawler South, SA for car, 4WD, truck, marine and caravan batteries, testing and roadside battery assistance.

    • 24 Hour Roadside Battery Assistance
    • Battery Fitment
    • Free Battery Testing

    Based in Gawler South SAServes Williamstown

    Closed · opens tomorrow 8:30 am

  8. Bearded Monkey Garage

    Mechanics

    Based in Mount Pleasant SA · serves Williamstown

    Directions View profile Serves this area

    Mechanic in Mount Pleasant, SA for log book servicing, general mechanical repairs, 4WD and diesel work and pre-purchase inspections.

    • Log Book Servicing
    • 4WD & Diesel Vehicles
    • Pre-purchase Inspections

    Based in Mount Pleasant SAServes Williamstown

    Closed · opens tomorrow 9:00 am

  9. Elite Automotive & Ag

    Mechanics

    Based in Altona SA · serves Williamstown

    Directions View profile Serves this area

    Mobile mechanic in Altona, SA, doing on-site mechanical repairs for cars and agricultural equipment.

    • On-site services

    Based in Altona SAServes Williamstown

    Closed · opens tomorrow 8:30 am

  10. Gawler Automatic Transmissions

    Mechanics

    Based in Willaston SA · serves Williamstown

    Directions View profile Serves this area

    Transmission and mechanical repair workshop in Willaston, SA for gearbox, clutch, differential, brake and log book work.

    • Transmission repairs and servicing
    • General mechanical repairs
    • Clutch repairs

    Based in Willaston SAServes Williamstown

    Closed · opens tomorrow 8:30 am

  11. Gawler Mechanical

    Mechanics

    Based in Gawler South SA · serves Williamstown

    Directions View profile Serves this area

    Mechanic in Gawler South, SA for logbook servicing, steering and suspension, clutch and transmission work, and engine repairs.

    • Logbook Servicing​
    • Steering & Suspension
    • Clutch & Transmission

    Based in Gawler South SAServes Williamstown

    Closed · opens tomorrow 8:00 am

  12. HD Diesel Repair Services

    Diesel Mechanics, Mechanics

    Based in Gawler Belt SA · serves Williamstown

    Directions View profile Serves this area

    Diesel engine repair and servicing workshop in Gawler Belt, SA, covering the Gawler, Lewiston, Lyndoch and Mallala areas.

    Based in Gawler Belt SAServes Williamstown

    Open now · 24 hours

  13. Kads Truck 'N' Diesel

    Mechanics, Diesel Mechanics

    Based in Angaston SA · serves Williamstown

    Directions View profile Serves this area

    Truck and diesel engine repair business in Angaston, SA, working on trucks and diesel engines for fleets and solo drivers.

    • Truck and bus repairs

    Based in Angaston SAServes Williamstown

    Closed · opens tomorrow 8:30 am

  14. Kintech Mobile Mechanical Service

    Mechanics, Auto Electricians, 4x4

    Based in Kersbrook SA · serves Williamstown

    View profile Serves this area Est. 2020

    Mobile mechanic in Kersbrook, SA for logbook servicing, brake repairs, suspension work and air conditioning regas.

    • Brake Repairs
    • Logbook Services
    • Air Conditioning Repair/Re-Gas

    Based in Kersbrook SAServes Williamstown

    Closed · opens tomorrow 8:00 am

  15. Minchi's Mechanical

    Mechanics

    Based in Kapunda SA · serves Williamstown

    Directions View profile Serves this area

    Mechanic in Kapunda, SA for logbook servicing, fault finding, brake and suspension work and pre-purchase inspections.

    • Logbook Servicing
    • Brake and suspension
    • Vehicle Pre-Purchase Inspections

    Based in Kapunda SAServes Williamstown

    Closed · opens tomorrow 8:00 am

  16. Mj's Mechanical & Tailshafts

    Mechanics, 4x4, Tyres

    Based in Evanston South SA · serves Williamstown

    Directions View profile Serves this area

    Mechanical workshop and tailshaft specialist in Evanston South, SA, doing oil changes, alignments, tyre upkeep and spring work.

    • Oil change
    • 4x4 suspension
    • Wheel alignment and balancing

    Based in Evanston South SAServes Williamstown

    Closed · opens tomorrow 8:30 am

  17. National Motor Restorations

    Mechanics

    Based in Birdwood SA · serves Williamstown

    Directions View profile Serves this area

    Motor restoration and mechanical workshop in Birdwood, SA, handling routine servicing and oil changes.

    • Oil change

    Based in Birdwood SAServes Williamstown

    Closed · opens tomorrow 8:00 am

  18. Prior's Automotive

    Mechanics

    Based in Kapunda SA · serves Williamstown

    Directions View profile Serves this area

    Mechanic in Kapunda, SA for car servicing and diagnostic work, with on-site servicing.

    • On-site services

    Based in Kapunda SAServes Williamstown

    Closed · opens tomorrow 8:30 am

No mechanics on this page match all of these filters. Untick one, or clear the filters to see all 24 on this page.

Showing 1–24 of 36 mechanics · filters apply to this page only

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Choosing mechanics in Williamstown

Mechanics for car servicing, logbook servicing, brakes and clutches, exhausts, batteries, diagnostics and vehicle inspections. Mechanics Directory lists 36 mechanics in Williamstown SA. Listings show the services each business offers, and a rating where there is one.

What to check before you book

Getting started

  1. Describe the job. Your vehicle's make, model and year, what's wrong or what it needs, and when you need it done.
  2. Shortlist two or three. Use the filters above to narrow this page by rating and website.
  3. Compare quotes. Or send one request and we'll match it with up to 3 mechanics.
  4. Agree in writing. Confirm the price, what's included and when the vehicle will be ready before work begins.

Frequently asked questions

How do I choose between mechanics in Williamstown?

Compare two or three. Read recent reviews, check they work on your make, and ask for a written quote for parts and labour. Ask them to call you before doing anything that isn't on the quote. A business that is owner verified on Mechanics Directory has confirmed it runs the listing.

How much does a car service cost in Williamstown?

It depends on your car, which service is due on the logbook schedule, and the parts and fluids it needs. Many workshops charge a set price for a logbook service and an hourly rate for diagnosis and repairs. Asking two or three local mechanics for a written quote is the quickest way to see the going rate in Williamstown.

Do mechanics need to be licensed?

Licensing depends on the work and the state. Roadworthy, safety and pink slip inspections can only be done by testers or stations the state has authorised, and anyone who handles R134a, the air conditioning gas in many cars, needs an ARC refrigerant handling licence. In South Australia, ask the business which qualifications and licences apply to your job. Listings marked "Credentials listed" show a licence, accreditation or membership on the business's profile. We don't check it, so confirm it with whoever issued it.

Can any mechanic do a roadworthy, safety certificate or pink slip?

No. Only testers or stations the state has authorised can do these inspections, and the rules on when you need one differ by state. A roadworthy or safety inspection checks safety items; it is not a full mechanical inspection, so book a separate inspection if you're buying a used vehicle. In South Australia, a roadworthy inspection is needed before registration in set cases, such as a defect notice, some modifications or a repaired written-off vehicle. It is booked through Service SA.

Will an independent mechanic void my new car warranty?

Not just because they aren't the dealer. Your consumer guarantee rights under the Australian Consumer Law apply whoever services or repairs the car. A manufacturer's warranty typically lets you choose your own repairer as long as the manufacturer's maintenance and servicing standards are met, but read its conditions: some require repairs claimed under the warranty to go back to their dealers. Keep the stamped logbook or the digital service record and the receipts.

What does "serves this area" mean?

Some businesses are based in a nearby suburb but cover this area, including mobile mechanics and towing services that come to you. On suburb pages we list businesses based in the suburb first, then the ones that say they serve it.

How do free quotes work?

Tell us about the job once. We match your request with up to 3 mechanics near you. A business on a paid plan here gets it with your name and contact details and can contact you directly. A business on the free plan sees the job and your suburb but not your details, so it can't contact you unless it upgrades. A business that hasn't claimed its listing sees your request only once it claims. After you send, we tell you which applies to each business. It's free and there's no obligation.