09 636 5469


102 Beachcroft Road,

Auckland Radiators Ltd recommends that motorists have a seven-point preventative cooling system maintenance check at least once every two years. The seven-point program is designed to identify any areas that need attention. It consists of:

  1. a radiator pressure cap test to check for the recommended system pressure level
  2. thermostat check for proper opening and closing
  3. a pressure test to identify any external leaks to the cooling system parts; including the radiator, water pump, engine coolant passages, radiator and heater hoses and heater core
  4. an internal leak test to check for combustion gas leakage into the cooling system
  5. a visual inspection of all cooling system components, including belts and hoses
  6. a system power flush and refill with car manufacturer's recommended concentration of coolant
  7. an engine fan test for proper operation

By performing regular checks, Auckland Radiators Ltd specialists can help motorists prevent problems, emergency repairs and/or replacements, effectively saving the consumer time, trouble and money.



  • Low Coolant Level Improper Fuel/Air Mixture
  • Wrong Coolant/Water Ratio
  • Malfunctioning Emission Control
  • Excessive Rust in System Clogged Exhaust
  • Engine Oil too High or Low Brake Drag
  • Missing Fan Shroud Defective Water Pump
  • Bent Fan Blades
  • Engine Dirt
  • Collision Damage Faulty Fan Clutch
  • Blown Head Gasket Faulty Electric Fan
  • Transmission -Oil Cooler Failure Faulty Fan Switch
  • Slipping Fan-Pump Belt Low-Octane Fuel
  • Incorrect Ignition Timing Deteriorated Hoses
  • Defective Mechanical or Vacuum Advance Air in System
  • Worn Cam or Timing Chain External-Internal Leaks
  • Towing Heavy Loads Add-on A/C without upgrade or match in Cooling System
  • Extreme Driving Conditions