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Affordable, upfront pricingNew Zealand's #1 mobile mechanicPay in 4, with Afterpay12 month, 10,000km warrantyAffordable, upfront pricingEnter your cars details to request an estimate for your repair. 🔧
New Zealand's #1 mobile mechanicPay in 4, with Afterpay12 month, 10,000km warrantyAffordable, upfront pricingNew Zealand's #1 mobile mechanicPay in 4, with Afterpay12 month, 10,000km warrantyAffordable, upfront pricingHissing noise when brake pedal is depressed assessment made easy
Enter your cars details to request an estimate for your repair 🔧
Why book with us?
Tell me about my Hissing noise when brake pedal is depressed assessment
If you hear a hissing noise when pressing the brake pedal, it often points to a problem with the brake booster or a vacuum leak in the braking system. While the brakes may still work, this issue can lead to reduced braking performance and should be inspected immediately for safety.
What does it mean if there is a hissing noise when braking?
A hissing sound when pressing the brake pedal usually indicates escaping air from the brake booster or vacuum lines. This means the booster is not receiving enough vacuum to provide proper brake assist.
Common causes of a hissing noise when pressing the brake pedal
- Vacuum leak in the brake booster hose
- Faulty or leaking brake booster diaphragm
- Cracked or disconnected vacuum lines
- Faulty one-way check valve on the booster
- Air escaping from seals inside the booster
Why do you need to fix this problem quickly?
A leaking brake booster or vacuum line reduces brake assist, making the brake pedal harder to press and lengthening stopping distances. Ignoring the issue increases the risk of brake failure in emergency situations.
How do you know when to get it checked?
You should book an inspection if:
- You hear a hissing noise every time you press the brake pedal
- The brake pedal feels harder than usual
- The car takes longer to stop than normal
- The engine runs rough or stalls when braking (caused by a vacuum leak)
- You notice a brake warning light on the dashboard
What happens during an assessment?
A mechanic will:
- Inspect the brake booster, hoses, and check valve for leaks
- Test the brake system for proper vacuum supply
- Listen for air escaping around the brake pedal and booster
- Check for related engine vacuum leaks
- Recommend brake booster replacement or vacuum line repair as required
How much does it cost to fix?
Minor vacuum hose repairs typically cost $150–$300. Full brake booster replacement can range from $600–$1,200+ depending on the vehicle.
Is it unsafe to drive with a hissing noise when braking?
Yes. A faulty brake booster or vacuum leak reduces braking efficiency and makes stopping harder. This is a safety-critical issue and should be repaired immediately.
Frequently Asked Questions 🧐
How do online bookings work for car servicing & basic repairs?
Once you fill out your details, you’ll be shown the ‘search results’ which displays instant fixed-price quotes from local service providers that can be booked online.
Can I get quotes for more complex repairs and inspections?
Yes. Once you have entered in your vehicle details and location, you’ll be able to browse through available repair tasks or inspections that you would like a quote for.
Will the price I'm quoted via Turnersservice.co.nz be the final price I'll pay?
Yes. For the work included in the quote, the price you’re quoted is the final price you’ll pay.
How long will my service or repair take?
If you’ve booked with a workshop, the service provider will usually require your vehicle for the entire day due to scheduling. If you’ve booked with a mobile provider, you will only be without your vehicle for the time it takes to complete the job.
What are my payment options?
Booking your car service or repair through Turners Service & Repairs gives you access to these convenient payment options:
1. Pay upfront and online using your credit or debit card or PayPal
2. Flexible payment options with Afterpay
3. In some instances, you can choose to pay the mechanic when the service or repairs have been completed.
Will I get an invoice at the end of my service or repair?
Yes, we send through a comprehensive report and invoice / receipt once the booking is completed. If you have any questions please reach out via 0800 768 000.
