Comprehensive Auto Repair Services Tailored to Your Vehicle
At Northstar Automotive Repair, we combine expert knowledge with quality parts and transparent service to keep your vehicle running safely and efficiently.
Fluids & Filters Service
Pro Tip: Most vehicles need an oil change every 5,000–8,000 km with synthetic oil. Skipping it is the #1 cause of premature engine wear.
- Oil change (Conventional Oil & Synthetic
- Transmission Flush
- Differential Fluid
- Transfer Case Fluid
- Windshield washer fluid top-up
- Battery fluid inspection (flooded lead-acid)
- Hydraulic clutch fluid change
- Fluid leak diagnosis and repair

Tire Service
Pro Tip: Tires lose about 1 PSI per month naturally. Check your tire pressure every month — properly inflated tires can improve fuel economy by up to 3%.
- Mount tires on rims
- Expert tire balancing
- Nitrogen tire inflation
- Tire bead sealing
- Valve stem replacement
- Spare tire inspection and mounting
- Tire sidewall inspection
- Tire tread depth measurement
- Tire brand and size consultation
- Off-road tire installation
- Performance tire fitting

Brake Service
Pro Tip: If you hear squealing, that's your wear indicator telling you it's time. Grinding means metal on metal — don't wait any longer or you'll damage your rotors.
- Brake noise diagnosis
- Brake fade diagnosis
- Brake booster replacement
- Master cylinder replacement
- Brake proportioning valve replacement
- Brake dust shield replacement
- Brake bleeding (manual and vacuum)
- Electronic parking brake calibration
- Brake wear indicator replacement
- Brake hardware kit installation (springs, clips, pins)

General Maintenance & Inspection Service
Pro Tip: Most vehicles need an oil change every 5,000–8,000 km with synthetic oil. Skipping it is the #1 cause of premature engine wear.
General Maintenance & Inspections
- 30/60/90k mile service packages
- Manufacturer warranty maintenance
- Used car certification inspections
- Insurance claim inspections
- Rental fleet maintenance
- Rideshare vehicle inspections (Uber/Lyft)
- Diesel vehicle maintenance
- Hybrid vehicle maintenance
- Electric vehicle (EV) inspection
- Odometer verification

Electrical & Electronic Service
Pro Tip: A failing alternator will drain your battery even if it's brand new. If your battery keeps dying, always test the alternator before buying a replacement battery.
- Parasitic battery drain diagnosis
- Voltage regulator replacement
- Spark plug and ignition coil replacement
- Distributor cap and rotor replacement
- Throttle position sensor replacement
- Mass airflow sensor replacement
- Crankshaft/camshaft position sensor replacement
- ABS/traction control module diagnosis
- Blind spot monitoring calibration
- Backup camera installation and repair
- Dashcam installation
- USB/charging port installation
- LED lighting upgrades
- Trailer wiring harness installation
- Instrument cluster repair
- Speedometer calibration
- Keyless entry programming
- Key fob battery replacement and reprogramming
- Transponder key cutting and programming
- Immobilizer diagnosis and repair

Suspension & Steering Service
Pro Tip: Worn shocks and struts increase your stopping distance by up to 20%. If your car bounces more than once after hitting a bump, get them inspected.
- Steering column repair and replacement
- Idler arm and pitman arm replacement
- Coilover installation
- Lift kit installation
- Lowering spring installation
- Bump stop replacement
- Strut mount and bearing replacement
- Knuckle and spindle replacement
- Hub bearing and wheel bearing replacement
- Steering rack boot replacement
- Electronic power steering (EPS) calibration
- Air suspension repair and replacement
- Suspension geometry measurement
- Camber and caster adjustment
- Ride height adjustment

Cooling & Heating System Service
Pro Tip: Never open a radiator cap on a hot engine. Coolant is pressurized and can cause severe burns. Always let the engine cool for at least 30 minutes first.
- Coolant concentration testing
- Radiator hose replacement (upper and lower)
- Overflow/expansion tank replacement
- Coolant temperature sensor replacement
- Blend door actuator replacement
- Heater control valve replacement
- Intercooler service (turbocharged vehicles)
- Cooling system pressure test
- Electric cooling fan module replacement
- Refrigerant leak detection
- A/C evaporator replacement
- A/C expansion valve replacement
- A/C drier/accumulator replacement
- Rear A/C system service
- A/C vent and duct repair

Engine & Drivetrain Service
Pro Tip: A timing belt failure can destroy your entire engine in seconds. Check your owner's manual — most need replacement between 100,000–160,000 km. Don't skip it.
- Compression and leak-down testing
- PCV valve replacement
- EGR cooler replacement
- Throttle body replacement
- Variable valve timing (VVT) service
- Turbocharger repair and replacement
- Supercharger service
- Intercooler replacement
- Oil pan gasket replacement
- Valve cover gasket replacement
- Rear main seal replacement
- Front main seal replacement
- Crankshaft pulley/harmonic balancer replacement
- Motor mount replacement
- Transmission mount replacement
- Transfer case replacement
- Limited slip differential service
- Axle shaft replacement
- Torque converter replacement
- Transmission solenoid replacement
- Shift cable and linkage repair
- Manual transmission synchro replacement
- Dual-clutch transmission (DCT) service

Exhaust System Service
Pro Tip: A failing catalytic converter can cause your fuel economy to drop dramatically and trigger a check engine light. Never ignore exhaust-related warning lights.
- Diesel particulate filter (DPF) cleaning and replacement
- Selective catalytic reduction (SCR) service
- DEF (diesel exhaust fluid) system repair
- Exhaust manifold gasket replacement
- Exhaust heat shield repair
- Flex pipe replacement
- Resonator replacement
- Performance exhaust installation
- Exhaust tip replacement
- Exhaust leak diagnosis

Fuel System Service
Pro Tip: Running your gas tank below ¼ regularly can burn out your fuel pump, which sits inside the tank and uses fuel to stay cool. Keep it above ¼ as a habit.
- Fuel pressure regulator replacement
- Fuel tank sending unit replacement
- High-pressure fuel pump replacement (direct injection)
- Fuel rail replacement
- Evaporative emission (EVAP) system diagnosis and repair
- Charcoal canister replacement
- Fuel cap replacement and testing
- Ethanol content testing
- Diesel fuel system bleeding
- DEF system maintenance

Body & Glass Service
Pro Tip: A small windshield chip can spread into a full crack overnight in cold weather. Chip repairs are cheap but full windshield replacements are not. Fix it early.
- Windshield and Window replacement
- Door hinge tightening and lubrication
- Hood latch and cable repair
- Trunk latch repair
- Sunroof/moonroof repair and lubrication
- Convertible top mechanism repair
- Weatherstripping replacement
- Antenna replacement and repair
- Mud flap installation
- Running board installation
- Bug deflector and hood protector installation
- Window tinting
- Paint chip touch-up

4x4 & AWD System Service
Pro Tip: 4WD and AWD systems have their own fluids that need changing. Many owners don't know this exists until something fails be sure to check your manual for service intervals.
- Fluid replacement and topup
- Front and rear locker installation
- Differential rebuild
- Front differential replacement
- Axle shaft and seal replacement
- Dana 44/60 and other axle upgrades
- 4WD actuator replacement
- Vacuum disconnect repair
- Electronic 4WD system diagnosis
- All-wheel drive coupling replacement
- Prop shaft center bearing replacement

Performance & Upgrade Service
Pro Tip: Adding power without upgrading your brakes and suspension is dangerous. Always upgrade your stopping and handling ability to match any power increases.
- Cold air intake installation
- Performance exhaust system installation
- ECU tuning and remapping
- Supercharger/turbocharger installation
- Intercooler upgrade
- Brake upgrade kits (big brake kits)
- Performance suspension kits
- Strut tower brace installation
- Short shifter installation
- Limited slip differential installation
- Traction bars and anti-roll bars
- Weight reduction modifications
- Dyno tuning

Towing & Hauling Installation & Service
Pro Tip: Towing beyond your vehicle's rated capacity doesn't just risk a breakdown — it can cause brake failure, transmission damage, and loss of steering control.
- Trailer hitch installation
- Brake controller installation
- Gooseneck hitch installation
- Fifth wheel hitch installation
- Weight distribution hitch setup
- Trailer wiring and connector repair
- Tow package wiring installation
- Transmission cooler installation
- Engine oil cooler installation
- Heavy-duty suspension upgrades for towing

Fleet & Commercial Services
Pro Tip: Fleet vehicles often skip scheduled maintenance due to heavy use schedules. Ironically, they need it more frequently than personal vehicles, not less.
- Preventive maintenance scheduling
- Fleet account management
- DOT inspection compliance
- Commercial vehicle inspections
- Truck and van upfitting
- GPS tracker installation
- Fuel economy analysis
- Extended warranty servicing
- Multi-vehicle discounts
- Priority scheduling for fleet customers

Hybrid & Electric Vehicle (EV) Services
Never attempt DIY repairs on high-voltage hybrid or EV battery systems. The voltage levels involved (300–800V) are potentially lethal without proper training and equipment.
- High-voltage battery health check
- Hybrid battery reconditioning
- Regenerative braking system service
- Electric motor inspection
- Inverter and converter diagnosis
- Charging port inspection and repair
- Thermal management system service
- 12V auxiliary battery replacement
- Hybrid coolant system service
- Software/firmware updates

Diesel Engine Service
Pro Tip: Diesel engines rely heavily on clean fuel and proper lubrication. Using low-quality diesel or skipping fuel filter changes can destroy expensive injectors that cost thousands to replace.
- Diesel injector cleaning and replacement
- Glow plug replacement
- Diesel fuel filter replacement
- Turbocharger wastegate repair
- Diesel particulate filter (DPF) regeneration
- EGR valve cleaning (diesel)
- DEF tank and heater repair
- High-pressure common rail (HPCR) system service
- Diesel tune and performance optimization
- Lift pump replacement

Detailing & Appearance Service
Pro Tip: Road salt in winter is one of the fastest ways to destroy your vehicle's undercarriage. An undercoating treatment and regular undercarriage washes can add years to your vehicle's life.
- Engine bay cleaning and degreasing
- Undercarriage wash and coating
- Rust inhibitor application
- Ceramic coating application
- Paint protection film (PPF) installation
- Headlight restoration and polishing
- Wheel cleaning and coating
- Interior deep cleaning
- Odor elimination treatment
- Vinyl wrap installation

Auto Repair Services in Gormley, ON — Serving Newmarket, Aurora, Richmond Hill and York Region
Northstar Automotive Repair at 14483 Woodbine Ave in Gormley is a full-service, Red Seal certified auto repair shop serving drivers across York Region. Whether you're coming from Newmarket, Aurora, Richmond Hill, Whitchurch-Stouffville, or right here in Gormley, our team of certified technicians handles everything from routine maintenance to complex diagnostics — on all makes and models, domestic and import.
Every service starts with an honest assessment and upfront pricing. No surprises, no upsells — just expert work backed by a parts and labour warranty. Browse our full list of services below or call (416) 997-7675 to book your appointment.
Northstar Automotive Repair offers a full range of certified auto services for every make and model. Select a service below to learn more.
Service FAQs
What types of brake services do you offer?
We provide comprehensive brake services including pad and rotor replacement, brake fluid flushes, and system diagnostics to ensure your vehicle stops safely and reliably.
How do you perform vehicle diagnostics?
Our technicians use advanced diagnostic tools to identify engine, transmission, and electrical issues quickly, allowing us to recommend precise repairs without unnecessary work.
What is included in your safety inspections?
Our safety inspections cover brakes, tires, lights, steering, suspension, and emissions systems, meeting Ontario’s government standards to issue official safety certificates.
Can I book services online and what is the process?
Yes, you can schedule appointments through our online booking system anytime. Simply select your service, choose a convenient time, and we’ll confirm your booking promptly.