Auto Repair & Maintenance Services in Gaithersburg MD

Routine Maintenance & Factory-Scheduled Service 

• Regular maintenance is one of the best ways to keep your vehicle reliable and prevent costly repairs. Montgomery Shell provides routine maintenance and factory-scheduled services for cars, SUVs, vans, and light trucks, offering a convenient alternative to dealership service. We service virtually all makes and models and can perform maintenance according to the manufacturer's recommended service schedule.  We also keep an electronic record of your maintenance history so all services are documented and kept on schedule.

• Oil changes and oil filter replacement

• Full-service oil changes

• Synthetic and conventional oil service

• Factory-scheduled maintenance

• Manufacturer-recommended maintenance services

• Mileage-based maintenance services

• Multi-point vehicle inspections

• Fluid level inspections and fluid services

• Transmission fluid and filter service

• Coolant and antifreeze service

• Brake fluid service

• Power steering fluid service

• Differential fluid service

• Transfer case fluid service

• Air filter replacement

• Cabin air filter replacement

• Engine air filter replacement

• Fuel filter replacement

• Spark plug replacement

• Tune-up services

• Tire rotation

• Tire pressure inspection and adjustment

• Battery testing

• Battery replacement

• Wiper blade replacement

• Scheduled inspection and maintenance checks

Whether your vehicle needs a routine oil change, a mileage-based service, or more comprehensive factory-scheduled maintenance, Montgomery Shell can provide the service your vehicle needs without the cost and inconvenience of a dealership. 

Pre-Purchase Vehicle Inspections 

Considering buying a used vehicle? Montgomery Shell can perform a thorough pre-purchase inspection to help you understand the vehicle's condition before you buy. We inspect the vehicle's major mechanical, electrical, steering, suspension, brake, and other important systems and identify existing or potential problems that may affect your purchase decision. 

Maryland State Vehicle Safety Inspections

We are an authorized Maryland MVA-approved safety inspection station serving Gaithersburg and the surrounding communities. We perform Maryland State Vehicle Safety Inspections for vehicle registration, Uber and Lyft vehicles, vehicle purchases and sales, and other inspection needs.

Learn more about Maryland State Vehicle Safety Inspections.

Brake & Tire Services

We provide comprehensive brake and tire services, including brake repairs, electronic parking brake service, brake system diagnostics and programming, tire repair and replacement, tire balancing and rotation, and TPMS diagnosis and repair.

Learn more about Brake & Tire Services.

Diagnostics & Auto Repair

We diagnose and repair a wide range of mechanical, electrical, and electronic vehicle problems. From check engine lights and warning messages to difficult drivability problems and complex repairs, we use professional diagnostic equipment and systematic testing to identify the underlying cause.

Learn more about Diagnostics & Auto Repair.

Additional Automotive Repair Services

In addition to our specialized brake, tire, inspection, and diagnostic services, Montgomery Shell provides a full range of automotive repairs and maintenance for most makes and models.

Engine & Drivetrain

• Engine diagnostics and repairs

• Engine replacement

• Timing belt and timing chain service

• Valve cover and gasket repairs

• Head gasket repairs

• Intake and exhaust system repairs

• Fuel system repairs

• Ignition system repairs

• Cooling system repairs

• Oil and fluid leak repairs

• Turbocharger and supercharger repairs

• Transmission diagnostics and repairs

• Transmission replacement

• Transmission fluid and filter service

• Transfer case service and repairs

• Differential service and repairs

• Driveshaft and CV axle repairs

• Clutch repairs and replacement

• Four-wheel-drive and all-wheel-drive system repairs

Steering & Suspension

• Steering system diagnostics and repairs

• Power steering diagnostics and repairs

• Electric power steering (EPS) diagnostics and repairs

• Hydraulic power steering system repairs

• Power steering pump replacement

• Power steering hose replacement

• Power steering leak diagnosis and repair

• Steering rack and pinion repair and replacement

• Steering gearbox repair and replacement

• Inner and outer tie rod replacement

• Ball joint replacement

• Control arm replacement

• Control arm bushing replacement

• Sway bar (stabilizer bar) link replacement

• Sway bar bushing replacement

• Steering shaft and intermediate shaft repairs

• Steering column repairs

• Suspension system diagnostics and repairs

• Shock absorber replacement

• Strut replacement

• Air suspension diagnostics and repairs

• Air suspension compressor replacement

• Ride height sensor diagnosis and replacement

• Suspension bushings and component replacement

• Wheel bearing and hub assembly replacement

• Vehicle pulling or drifting diagnosis

• Uneven tire wear diagnosis

• Loose or unstable steering diagnosis

• Clunking, rattling, and suspension noise diagnosis

• Steering wheel shake and vibration diagnosis

Heating & Air Conditioning

• Heating system diagnostics and repairs

• Air conditioning diagnostics and repairs

• A/C recharge and refrigerant service

• A/C leak diagnosis and repair

• A/C compressor repairs and replacement

• Blower motor and fan repairs

• HVAC electrical and control system diagnostics

• Climate control system repairs

• HVAC actuator and airflow repairs

• Heater and heater core repairs

• Cooling system repairs

• No-heat and A/C not cooling diagnosis

• Defrost and airflow problems

• Intermittent heating and A/C problems

Electrical & Starting/Charging Systems

• Electrical system diagnostics and repairs

• Battery testing and replacement

• Starting system diagnostics and repairs

• Starter diagnostics and replacement

• Charging system diagnostics and repairs

• Alternator diagnostics and replacement

• No-start and hard-start diagnosis

• Intermittent starting problems

• Electrical warning light diagnosis

• Wiring and electrical circuit repairs

• Fuse and relay diagnostics and replacement

• Electrical component diagnostics and replacement

• Lighting system repairs

• Power window and door lock repairs

• Parasitic battery drain diagnosis

• Computer and module communication diagnostics

• Vehicle electrical and electronic system diagnostics

Other Automotive Services

• Failed emission test repairs

• Windshield and glass replacement

• Headlight and exterior lighting repairs

• Headlight restoration

• Door lock and latch repairs

• Wheel stud and lug nut replacement

• Wiper and washer system repairs

Need Automotive Service or Repairs?

Whether you need routine maintenance, brake or tire service, a Maryland State Vehicle Safety Inspection, or help diagnosing a difficult vehicle problem, Montgomery Shell is here to help.