Mechanic Guides & Car Service Tips

Service explainer·27 Jun 2026
Brakes Squealing Only When Cold: Should You Worry?
Many drivers notice brake squealing only on the first few stops of the day. In most cases this is normal — but here's when it might signal something more.
Service explainer·26 Jun 2026
Handbrake Not Holding: Why It Fails and How to Fix It
If your handbrake won't keep the car stationary or needs to be pulled very high before it engages, it's time for an adjustment or repair. Here's what to check.
Service explainer·26 Jun 2026
Brake Fade: Why Your Brakes Lose Power on Long Downhills
Brake fade is a temporary but alarming loss of braking power caused by heat. Learn when it happens, what causes it, and how to manage it on NZ's hilly roads.
Service explainer·26 Jun 2026
Brakes Vibrating or Pulsating: Warped Rotors and Other Causes
A pulsating or vibrating sensation through the brake pedal when stopping is almost always rotor-related. Here's what causes it and what the fix involves.
Service explainer·26 Jun 2026
Car Pulling to One Side When Braking: What's Causing It

Brakes Squealing Only When Cold: Should You Worry?

Handbrake Not Holding: Why It Fails and How to Fix It

Brake Fade: Why Your Brakes Lose Power on Long Downhills

Brakes Vibrating or Pulsating: Warped Rotors and Other Causes

Car Pulling to One Side When Braking: What's Causing It

Brake Pedal Goes to the Floor: Causes and Immediate Steps

Spongy or Soft Brake Pedal: Causes and What to Check

Brakes Grinding: What It Means and Why You Shouldn't Ignore It

Why Are My Brakes Squealing? Common Causes and What to Do

Engine Pinging and Detonation — What That Rattling Sound Under Acceleration Means

Main Bearing Noise — The Deep Rumble That Signals Serious Engine Wear

Rod Knock — The Engine Sound That Means Time Is Running Out

Engine Vibration — What's Causing That Shaking and How to Diagnose It

Heat Shield Rattle — The Annoying Noise That's Usually Harmless

Exhaust Manifold Leak Sound — The Ticking Hiss You Should Not Ignore

Turbo Whine and Whistle — Normal Turbo Sounds vs. Warning Signs

Engine Popping on Deceleration — Causes and When It's a Problem

Engine Noise When Cold — What to Listen for on a Cold Morning

Engine Noise That Appears When Warm — Heat-Related Faults Explained

Engine Noise Only at Idle — What's Happening When You're Stopped

Engine Noise When Accelerating — What Different Sounds Mean

Diesel Knock — Normal Combustion Sound or a Warning Sign?

Engine Sputtering and Hesitation — Diagnosing Misfires and Fuel Issues

Engine Backfiring — What Causes That Bang From Your Car

Engine Roaring Noise — Exhaust, Bearing, or Something Else?

Engine Clunking Noise — What That Heavy Thud Means

Engine Hissing Noise — Vacuum Leaks, Steam, and Pressure Escapes

Engine Belt Squealing — What's Causing That High-Pitched Noise

Timing Chain Rattle — When to Worry and What It Costs to Fix

Piston Slap — The Cold-Start Knock That Fades Away

Valve Train Ticking — What It Means and How It's Fixed

Engine Rattling on Cold Start — Causes and What to Do

Engine Ticking at Startup — Normal or a Warning Sign?

Engine Knocking Under Load — What That Hollow Banging Means

Manual Car Won't Start — Clutch and Neutral Safety Switch Explained

Car Won't Start After an Accident — Fuel Cutoff Switch Explained

Car Alarm Preventing Your Car From Starting — How to Override It

Car Won't Start After Overheating — What to Check Before You Panic

Car Won't Start After Sitting for Weeks — What Goes Wrong and How to Fix It

Push-to-Start Won't Work — Diagnosing Modern Keyless Start Problems

Keyless Entry Fob Battery Dead — Why Your Car Won't Start

Transponder Key Fault: When Your Key Can't Talk to Your Car

Car Starts Then Dies Immediately — What's Causing It

Engine Cranks But Won't Start — Diagnosing the Three Things It Needs

Car Won't Start After Rain — Moisture and Your Ignition System

Car Won't Start in Cold Weather — NZ Winter Starting Problems

Hydrolocked Engine: What Happens When Water Gets Into Your Cylinders

Seized Engine: The Most Serious Reason a Car Won't Crank

Blown Fuse Stopping Your Car From Starting — What to Check

Bad Ignition Switch: When Turning the Key Does Nothing

Crankshaft Position Sensor Fault: The Hidden Reason Your Car Won't Start

Fuel Pump Failure: Why Your Car Cranks But Won't Start

Car Won't Start Because It's Out of Fuel — and What the Gauge Might Be Missing

Flooded Engine: Why Your Car Won't Start After Too Much Cranking

Car Immobiliser or Security System Preventing Your Car From Starting

Bad Starter Relay: A Cheap Fix That Can Stop Your Car Dead

Starter Motor Failure: Why Your Car Won't Crank

Car Won't Start Due to Corroded Battery Terminals

Car Won't Start: Dead Battery — What to Do Next

How to Tell How Old Your Car Battery Is and When to Replace It

Fuel Pressure Regulator: What It Does and What Symptoms Point to It

Brake Lines and Brake Hoses: What They Do and When They Must Be Replaced

Wheel Alignment: What It Is, What Poor Alignment Costs You, and How Often

Catalytic Converter Theft in NZ: Why It Happens and How to Protect Your Car

Car Sunroof: What Causes Leaks and How to Maintain It

Tow Bar: What Types Exist, What They Cost in NZ, and What You Need to Know

Car Battery Terminals and Cables: What Corrosion Does and How to Clean Them

Differential Oil: What It Does and When to Check It

Transmission (Gearbox) Fluid: What It Does and When to Change It

Power Steering Fluid: What It Does and What Low Fluid Causes

Brake Fluid: What It Does, Why It Degrades, and When to Change It

Coolant Flush: What It Is, Why It Matters, and How Often It Should Be Done

Engine Oil: What It Does, Which Grade to Use, and How Often to Change It

How to Jumpstart a Car: Step-by-Step Guide for NZ Drivers

Petrol Cap (Fuel Cap): What It Does and Why a Loose One Triggers a Warning Light

Car Door Locks and Latches: How They Work and What Causes Failure

Power Window Regulator: What It Does and Why Windows Get Stuck

Blower Motor: What It Does and Why Your Heater Fan Has Stopped Working

Car Horn: How It Works and What to Do If Yours Stops Working

Gearbox Synchronisers (Synchros): What They Do and Why Gears Are Crunching