Trusted Auto Engine Repair in Gaithersburg, MD


JB Auto Repair Provides Trusted Engine Repair & Replacement in Gaithersburg, Rockville, Germantown & Clarksburg.

J B Auto Repair is Montgomery County Maryland’s premier Toyota repair and service center, with over 25 years specializing in Toyota and servicing all makes and models of vehicles. JB employees ASE Certified Master Technicians who are highly knowledgeable in engine diagnostics, maintenance and repair. Call us at 301-216-2622 or contact us for quality engine services in Gaithersburg, MD.

Gaithersburg's Engine Repair Specialists


Quality Engine Repair & Engine Replacement

JB Auto Repair’s ASE Master Certified engine repair experts specialize in diagnosing, repairing, and maintaining engines in all makes and models of vehicles. We are experienced in engine diagnostics, replacing and repairing engine components, complete engine replacements, and engine rebuilds. We specialize in Toyota and serve drivers in all of Montgomery County MD, including Rockville, Germantown, Gaithersburg, and Clarksburg. Call us at 301-216-2622 or contact us to schedule service.

Locally-Owned & Operated
Comprehensive Warranties
Certified Toyota Specialists
Service All Makes & Models
Honest & Transparent
Affordable, Fair Prices
ASE Master Certified
4.9 Rating on Google

Engine Diagnostic & Engine Repair Services


Engine Service & Repair for All Makes & Models in Gaithersburg, MD

JB Auto Repair specializes in Toyota vehicles and services & repairs all makes & models of vehicles in Gaithersburg, Germantown, Rockville, Clarksburg, and surrounding areas. Call us at 301-216-2622 or contact us to schedule engine maintenance or repair service.

  • Engine Repair: Diagnosis and repair of engine issues, such as overheating, unusual noises, or performance problems.
  • Engine Replacement: Installing a new or refurbished engine to replace a damaged or non-functional one.
  • Engine Performance Check: An assessment to gauge the overall performance and efficiency of the engine.
  • Hose & Belt Replacement: Replacing worn or damaged hoses and belts that are crucial for engine operation and cooling.
  • Cooling System Repair: Diagnosis and repair of issues within the engine’s cooling system, including the radiator and coolant circulation.
  • Radiator Repair & Replacement: Maintenance or replacement of the radiator, which plays a key role in cooling the engine.
  • Engine Diagnostics: Engine diagnostics help locate issues such as malfunctioning sensors, faulty components, or other irregularities within the engine or associated systems.
  • Water Pump Repair & Replacement: Maintenance and replacement of the water pump, vital for maintaining proper engine temperature.
  • Computerized Engine Diagnostics: Using computer diagnostics to identify and address engine problems, such as sensor malfunctions or performance irregularities.
  • Timing Belt Replacement: Replacing the timing belt, a critical component that synchronizes the engine’s moving parts, to prevent engine damage.
  • Fuel Injection Service: Maintenance and cleaning of the fuel injection system to ensure proper fuel delivery and engine performance.
  • Fuel System Repair & Maintenance: Diagnosis and repair of issues within the fuel system, including the fuel pump and lines.
  • Ignition System Repair & Maintenance: Diagnosis and repair of ignition system problems, including spark plugs and ignition coils.

Expert Engine Repair Services


Trusted Engine Maintenance, Repair & Replacement

JB Auto Repair is committed to providing affordable and reliable engine services. Our mechanics are honest, fair, and highly knowledgeable in all aspects of engine maintenance and repair services. Call us at 301-216-2622 or contact us to schedule engine repair service.

A/C & Heating System
Engine Repair
Brake Repair
Transmission Repair
Preventative Maintenance
Suspension System
Check Engine Light
Oil Changes
Exhaust System
Tires & Wheels