Avoid Fails: Common Issues That Stop Your Car Getting a Roadworthy Certificate

Learn the common issues that cause cars to fail a roadworthy certificate and expert mechanic tips to prepare your vehicle for a smooth inspection.

Sep 18, 2025 - 10:28
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Avoid Fails: Common Issues That Stop Your Car Getting a Roadworthy Certificate

Getting a roadworthy certificate Narre Warren South is an essential step when selling, transferring, or re-registering a vehicle in Victoria. While many drivers focus on the paperwork, failing to prepare your car properly can result in delays, extra costs, or even a failed inspection. Understanding common issues that prevent cars from passing and addressing them early with a qualified mechanic is the key to a smooth roadworthy process.

Why a Roadworthy Certificate Matters

A roadworthy certificate is more than just a legal requirement—it’s a confirmation that your car meets minimum safety standards. The inspection covers critical areas including brakes, tyres, lights, steering, suspension, and other safety systems. Driving without ensuring your car is roadworthy can put you, your passengers, and other road users at risk.

A professional mechanic not only helps you pass the inspection but also ensures your vehicle is safe for everyday use.

Common Issues That Cause RWC Fails

1. Worn or Damaged Tyres

Tyres are one of the most frequent reasons cars fail a roadworthy certificate. Inspectors check for:

  • Minimum tread depth of 1.5mm

  • Uneven wear patterns

  • Cuts, bulges, or other visible damage

Tip: Have a mechanic inspect your tyres before the RWC. Replacing or repairing tyres in advance saves time and prevents failure.

2. Faulty Brakes

Brakes are critical for safety, and worn or faulty components can lead to an immediate fail. Inspectors assess:

  • Brake pads and discs

  • Brake fluid levels

  • Overall braking performance

A professional mechanic Skye can identify worn brakes, adjust components, and top up fluids to ensure your car meets the standard.

3. Non-Working Lights and Indicators

All lights—including headlights, tail lights, brake lights, and indicators—must function correctly. Non-working bulbs or faulty wiring are common reasons for failed inspections.

Tip: Check every light before your appointment and replace any that are burnt out. Your mechanic can also test electrical systems to ensure everything is in order.

4. Steering and Suspension Issues

Problems with steering or suspension affect vehicle control and can make your car unsafe. Inspectors check:

  • Worn or damaged suspension components

  • Steering play or misalignment

  • Leaks in shock absorbers

Fixing these issues with a mechanic before the inspection increases the chances of passing.

5. Windscreens and Wipers

Cracked or chipped windscreens and worn wiper blades can impair visibility and are common reasons for RWC failures.

Tip: Repair minor windscreen damage and replace worn blades prior to inspection. A mechanic can advise whether the windscreen is repairable or requires replacement.

6. Fluid Leaks

Leaks in brake fluid, coolant, or other essential systems are red flags for inspectors. Not only can they result in a failed RWC, but they also pose safety hazards.

Having a mechanic inspect and repair leaks ensures your vehicle operates safely and passes the inspection.

7. Seatbelts and Safety Equipment

Faulty seatbelts, airbags, or other safety equipment can cause instant failure. Inspectors check that all restraints are functional and meet safety standards.

Tips to Avoid Failing Your Roadworthy Certificate

  1. Pre-Inspection Car Service: A full car service from a qualified mechanic Clyde North can identify and fix potential issues before the inspection.

  2. Check Tyres and Brakes: Ensure tyres meet legal requirements and brakes are in good condition.

  3. Test Lights and Indicators: Replace any faulty bulbs and check all electrical systems.

  4. Inspect Windscreens and Wipers: Repair cracks and replace worn blades.

  5. Check Fluids: Ensure all essential fluids are at correct levels.

  6. Seek Professional Advice: A mechanic can provide guidance and prevent surprises during the inspection.

Why a Mechanic’s Expertise Is Important

While it’s possible to prepare your car yourself, a licensed mechanic has the expertise to:

  • Identify hidden faults that may cause failure

  • Perform repairs and adjustments efficiently

  • Ensure your vehicle meets all roadworthy requirements

Professional guidance not only helps you pass the roadworthy certificate inspection but also keeps your car safe for daily driving.

Get Your Car Ready for a Roadworthy Certificate

If you’re preparing for an RWC, the experienced team at Singh’s Tyre & Auto Centre can help. Our qualified mechanics provide pre-inspection checks, servicing, and repairs to ensure your vehicle meets all safety standards.

Book your car service with Singh’s Tyre & Auto Centre today and drive with confidence knowing your car is fully roadworthy and safe for the road.

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singhstyrecranbourne Singh's Tyre & Auto Centre Cranbourne offers expert car services, repairs, and tyre sales, ensuring your vehicle runs smoothly and safely. Our skilled mechanics provide comprehensive maintenance, including roadworthy certificates. Trust us for reliable, professional automotive care in Cranbourne.
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