Certified Auto Repair & Diagnostics

Services & Transparent Pricing

At Golden Auto Repair in St. Catharines, we handle everything from routine synthetic oil changes to complex electronic engine diagnostics and complete suspension rebuilds.

Popular ChoiceDiagnostics30 - 60 Mins

Advanced Computer Diagnostics (ACD)

State-of-the-art diagnostic scans pinpoint exact fault codes, sensor failures, fuel trim imbalances, and electronic issues before small glitches turn into costly repairs.

Symptoms Addressed:

Check Engine Light•Poor Fuel Economy•Engine Misfire•Stalling

What's Included:

Full ECU Fault Code Scanning & Reset

Live Sensor Data & Fuel Trim Analysis

Emissions System Pre-Check

Comprehensive Tech Report & Quote

Upfront Written Quote

24-Mo / 40,000 km Warranty Guaranteed

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Engine & Drivetrain3 - 8 Hours

Engine Repair & Timing Service

From minor belt replacements to full cylinder head overhauls, our certified mechanics handle complete engine diagnostics, oil leak repairs, timing maintenance, and cooling system revamps.

Symptoms Addressed:

Engine Overheating•Coolant Leak•Loud Engine Knocking•Smoke from Exhaust

What's Included:

Timing Belt & Water Pump Replacement

Head Gasket & Valve Cover Seal Repair

Radiator & Hose Pressure Testing

Fuel Injection Cleaning & Service

Upfront Written Quote

24-Mo / 40,000 km Warranty Guaranteed

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Popular ChoiceBrakes1 - 2 Hours

Precision Brake Repair & Service

Your safety is our top priority. We inspect, service, and replace worn brake components using OEM-quality ceramic pads and high-carbon rotors built to withstand Canadian winters.

Symptoms Addressed:

Squeaking or Grinding Noise•Soft Brake Pedal•Vibration when Stopping•Brake Warning Light

What's Included:

Premium Ceramic Pad Replacement

Rotor Machining / High-Carbon Rotors

Brake Fluid Flush & Pressure Bleed

Caliper Lubrication & Hardware Renewal

Upfront Written Quote

24-Mo / 40,000 km Warranty Guaranteed

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Electrical & AC1 - 2 Hours

HVAC & Climate Control Repair

Stay cool in summer and warm during Ontario winters. We perform leak detection, compressor replacement, heater core flushes, and full climate system recharges.

Symptoms Addressed:

AC Blowing Warm Air•No Heat in Cabin•Musty AC Odor•Squealing AC Belt

What's Included:

AC Refrigerant Evacuate & Recharge

UV Dye Leak Detection Check

Heater Core Flush & Thermostat Change

Compressor Clutch Replacement

Upfront Written Quote

24-Mo / 40,000 km Warranty Guaranteed

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Popular ChoicePreventative Maintenance30 - 45 Mins

Lube, Oil & Filter Maintenance

Regular oil changes are the cheapest insurance for your engine. Every oil service includes a complimentary 50-point digital safety inspection.

Symptoms Addressed:

Maintenance Light On•Engine Noise•Low Oil Level•Scheduled Maintenance Due

What's Included:

Premium Synthetic Oil & Filter Replacement

50-Point Digital Safety Inspection

Tire Pressure & Tread Depth Check

All Fluid Levels Inspected & Topped Up

Upfront Written Quote

24-Mo / 40,000 km Warranty Guaranteed

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Popular ChoiceSuspension & Steering2 - 4 Hours

Suspension, Shocks & Steering

Eliminate clunks, bumps, and dangerous pulling. We overhaul front and rear suspension systems to restore factory ride comfort and precise handling.

Symptoms Addressed:

Vehicle Pulls to One Side•Bumpy / Harsh Ride•Clunking over Speed Bumps•Uneven Tire Wear

What's Included:

Strut & Shock Absorber Replacement

Control Arms, Ball Joints & Tie Rods

Wheel Bearing & Hub Replacement

Precision 4-Wheel Alignment

Upfront Written Quote

24-Mo / 40,000 km Warranty Guaranteed

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Electrical & AC45 - 90 Mins

Electrical System & Battery Service

Modern vehicles rely on intricate electrical networks. We diagnose power drains, failing alternators, dead batteries, and faulty lighting or starter systems.

Symptoms Addressed:

Car Won’t Start / Clicking Noise•Dim Headlights•Battery Indicator Light•Flickering Dash Lights

What's Included:

Heavy-Duty Battery Load Testing & Replacement

High-Output Alternator Replacement

Starter Motor Overhaul

Parasitic Draw Diagnostic

Upfront Written Quote

24-Mo / 40,000 km Warranty Guaranteed

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Engine & Drivetrain1.5 - 4 Hours

Transmission Maintenance & Repair

Keep your transmission shifting smooth. We perform complete fluid exchanges, filter replacements, solenoid testing, and manual/automatic clutch repairs.

Symptoms Addressed:

Slipping Gears•Rough Shifting•Transmission Fluid Leak•Delayed Engagement

What's Included:

Automatic Transmission Fluid Flush

Filter Replacement & Pan Gasket Seal

Clutch Kit Installation (Manual)

Drivetrain & CV Axle Servicing

Upfront Written Quote

24-Mo / 40,000 km Warranty Guaranteed

Book Now

Official Certified Partner Showcase

Professional BG Products® Video Showcase

At Golden Auto Repair, we utilize genuine BG Products® professional-grade automotive chemical treatments to protect your engine, restore compression, and maintain factory performance.

Engine ProtectionBG Certified

Premier 100% Synthetic Engine Oil Fortifier

BG Advanced Formula MOA®

Formulated with advanced chemistry to fortify engine oil against thermal breakdown, prevent sludge accumulation, and protect piston rings under extreme high-heat conditions.

Treatment Benefits:

Prevents Engine Oil Breakdown & Oxidation

Keeps Piston Rings & Hydraulic Lifters Clean

Extends Engine Lifespan & Protects Turbos

Compression RestorationBG Certified

Micro-Passage Cleaner & Compression Revitalizer

BG EPR® Engine Performance Restoration®

Softens and dissolves stubborn carbon deposits from piston ring lands in just 10 minutes, restoring cylinder compression, reducing oil burning, and regaining lost horsepower.

Treatment Benefits:

Restores Cylinder Compression & Fuel Economy

Dissolves Sludge from Micro Oil Passages

Cleans Sticky Piston Rings & Lowers Emissions

Fuel System CareBG Certified

Next-Generation Direct-Injection Fuel Treatment

BG Platinum® 44K® Fuel System Cleaner

The gold standard in fuel system decarbonization. Poured directly into your fuel tank, it cleans fuel injectors, intake valves, and combustion chambers to restore smooth acceleration.

Treatment Benefits:

Cleans Clogged High-Pressure Injectors

Eliminates Combustion Chamber Carbon Build-Up

Improves Drivability & Restores Engine Response

Pro Service SpotlightBG Certified

Complete Intake & Direct-Injection Decarbonization

BG Platinum® Fuel System Service

A comprehensive two-part machine service delivering professional chemical atomization through the intake manifold to dissolve baked-on carbon from GDI intake valves.

Treatment Benefits:

Eliminates Rough Idle, Stumble & Hesitation

Restores Peak Airflow & Throttle Response

Recommended Every 24,000 km for Direct Injection

Ask for BG Products During Your Next Visit

Available with all oil maintenance, engine diagnostics, and fuel service packages.

Inquire (905) 988-1717