Car Air Conditioning Servicing
Our A/C service & regas can help with...
- Not blowing cold air
- Weak airflow
- Musty smells
Servicing and regassing for most makes and models in Mandurah & the Peel Region.
AC Diagnostics, Fault Finding, Testing & Repairs
We find and fix the cause of A/C problems like...
- Leaking O-rings, seals,
evaporators, heater cores
- Compressor & clutch faults
- Blocked TX valve
- Condenser issues
Electrical faults (switches, fans, wiring)
- AND MORE
Proper testing includes nitrogen pressure testing, leak inspection, compressor checks and control/electrical verification.
Car Heating System Service
Heater issues we can help with...
- Blowing cold or only lukewarm
- Windows fogging / poor demisting
- Coolant smell inside the car
- Damp carpets
We diagnose and repair heating systems for most makes and models in Mandurah.
Dash Removals
Dash removal is sometimes the only way to properly access and repair hidden heater and A/C components. If you’re getting no heat, weak or lukewarm heat, coolant smells inside the cabin, or unusual noises, WestCoast Auto Air Conditioning Mandurah can perform a safe, professional dashboard removal to diagnose and fix the root cause—such as blocked or leaking heater cores, faulty heater taps, blend door issues, or internal coolant leaks. All trims and electronics are removed carefully and refitted correctly for a factory-finish result.
Car Air Conditioning Regas
Our A/C regas can help with...
- Not blowing cold air
- Weak airflow
- Musty smells
Servicing and regassing for most makes and models in Mandurah & the Peel Region.
NOTE: We cannot simply regas a vehicle with a known leak or defect.
Car Heater Core Repairs & Replacement
Reduced heat, no warmth, unusual noises, or coolant smells inside the cabin? WestCoast Auto Air Conditioning Mandurah specialises in complete car heater diagnosis and repairs for all makes and models— including full dashboard removal when required. We fix blocked or leaking heater cores, faulty heater taps, coolant leaks, blend door faults and more to restore proper cabin heat.
Custom Air-Con Hoses & Hard Lines Manufacturing
WestCoast Auto Air Conditioning Mandurah fixes leaking or cracked A/C hoses and hard lines with in-house manufacturing. We custom-build rubber hoses (crimped to factory spec), bend and flare aluminium/steel lines, and repair existing pipes on-site. No delays waiting for parts. Perfect fit for Holden, Ford, Toyota and all makes. Ideal for Mandurah, Halls Head, Falcon, Dawesville and Peel Region vehicles suffering heat, vibration and coastal corrosion damage.
R12 to R134a Air-Con Retrofit Classic & Older Cars
WestCoast Auto Air Conditioning Mandurah specialises in R12 to R134a refrigerant conversion for pre-1997 vehicles, classics, vintage 4WDs and older Holden, Ford, Toyota models. R12 is obsolete, illegal and environmentally harmful. We perform full retrofits: new R134a service ports, correct oil and charge, system flush and performance testing. Enjoy reliable, modern refrigerant availability across Mandurah, Peel Region and WA.
Air Con Compressor Replacement & Repair
WestCoast Auto Air Conditioning Mandurah specialises in car air con compressor diagnosis, repair and replacement. Symptoms: no cold air, grinding/squealing noises, clutch not engaging or leaks. We test, repair or replace compressors using genuine/OEM parts for all vehicles, with Holden Commodore, Ford Falcon, Toyota Hilux and popular models in stock. Fast, professional service for Mandurah, Halls Head, Falcon, Dawesville and Peel Region drivers.
Full Car Air-Con System Rebuild & Restoration
WestCoast Auto Air Conditioning Mandurah offers complete car air conditioning system overhauls for high-km vehicles suffering WA heat, salt and dust damage. Rebuild includes new compressor, condenser, hoses, TX valve and full evaporator flush. Restores ice-cold performance, eliminates recurring leaks, improves efficiency and prevents costly future failures. Ideal for Holden, Ford, Toyota and all makes across Mandurah, Peel Region and coastal WA.
Anti-Bacterial Air Con Clean & Odour Removal
WestCoast Auto Air Conditioning Mandurah eliminates bad car air con smells with hospital-grade anti-bacterial treatment. The solution is put through the evaporator and entire ducting system, reaching deep into fins where sprays can’t go. It neutralises odour-causing bacteria, mould and fungi at the source. Restores fresh, clean airflow and improves cabin air quality. Ideal for all vehicles – cars, 4WDs, utes, Holden, Ford, Toyota – across Mandurah, Erskine, Meadow Springs, Lakelands
Cabin Air Filter Replacement
WestCoast Auto Air Conditioning Mandurah offers professional cabin air filter & pollen filter replacement for all vehicles. A clean filter blocks dust, pollen and pollutants, improves air quality, prevents allergies and musty smells, reduces strain on the HVAC system and blower motor, and helps avoid costly evaporator repairs. Essential maintenance for healthier, fresher cabins – especially in Mandurah, Halls Head, Falcon and Peel Region’s dusty coastal conditions. Quick service for Holden, Ford