Specialized Diesel Mechanics – Trust Your Dodge RAM Diesel to Experts

At SML Diesel Performance, we are the experts in Dodge RAM Diesel. No matter the generation or model of your RAM (1500 (Ecodiesel), 2500, 3500, 4500, or 5500), we have the solutions to maintain, modify, and repair it.

We are passionate about our work and tackle every challenge with determination. Whether it’s preventive maintenance, a complex repair, a performance upgrade, or an engine swap, our specialized team is here to deliver a reliable, powerful, and high-performing truck.

Accurate Diagnosis – Find and Fix Problems Quickly

Is your Dodge RAM making a strange noise or behaving abnormally? We use advanced electronic diagnostic tools to quickly detect the source of the issue and avoid unnecessary repairs.

We handle diagnostics and repairs for all systems:
☑️ Engine – Engine codes, loss of power, abnormal smoke, excessive diesel consumption
☑️ Transmission – Slipping gears, hesitation, lack of response, unusual noises
☑️ Fuel Injection – Starting issues, injector problems, faulty fuel pump, pressure loss
☑️ Electrical & Electronics – Warning lights, electronic modules, sensors
☑️ Suspension & Steering – Excessive play, vibrations, uneven tire wear

We make sure your truck runs as it should, leaving no issue unresolved.

Maintenance & Repair – Keep Your Dodge RAM in Peak Condition

Thorough maintenance and quality repairs are the key to ensuring the longevity and reliability of your Dodge RAM Diesel. No matter how you use it—work, towing, or performance—we have the services you need to prevent breakdowns and optimize your truck’s performance.

Mécanique diesel spécialisée

Engine Repairs & Modifications

  • Cummins Engine Repairs: 4BT, 12-valve, 5.9L, 6.7L

  • Installation of rebuilt Cummins engines to restore your RAM to peak condition

  • Valve adjustments, oil pan and gasket replacements to stop oil leaks

  • Preventive engine modifications: KDP fix (12-valve), grid heater delete (6.7L) to prevent major failures

Transmission – Maintenance, Repair & Upgrades

  • Transmission maintenance: fluid change, adjustments, and repairs

  • Installation of rebuilt automatic or manual transmissions

  • Preventive modification of the 68RFE transmission to enhance reliability

  • Clutch, flywheel, and flexplate replacement

Mécanique diesel spécialisée

Injection System & Turbo

  • Inspection and maintenance of the injection system: injectors, fuel pump, fuel filters

  • Replacement of essential components: turbo, actuator, exhaust system

Suspension, Steering & Mechanical Components

  • Suspension and steering inspection and repair: replacement of ball joints, wheel seals, power steering pump, brakes

  • Replacement of essential components: turbo, actuator, exhaust system

Mécanique diesel spécialisée

Electrical System & Programming

  • Diagnosis and repair of electrical and electronic components

  • Fuse box, ECM, programming

Mécanique diesel spécialisée à Longueuil

Power Upgrades: More Performance, More Fun

Do you want more power and torque for your Dodge RAM? We design and install custom setups tailored to your driving style and needs.

Our performance solutions include:

  • Compound setup (twin turbo)
  • P7100 pump and injection upgrades
  • Engine reinforcement (valve springs, pushrods, heavy-duty rods, fire rings)
  • Fuel pump and injector modifications
  • Installation of high-performance Heavy Duty transmissions
  • Exhaust system modifications
  • ECM tuning and tuner installation

Got a problem? A question? We have the solution for your Dodge RAM Diesel! Contact us for a quote.