Your Trusted Shop for Diesel Repair & Performance in Johnstown Colorado
At REV Outfitters, we specialize in high-performance diesel repair, maintenance, and upgrades. Whether you're running a single diesel pickup or managing a full fleet of light duty diesels, we deliver the expertise, tools, and precision to keep your diesel engines running at peak performance.
Located in Johnstown CO, we're your go-to diesel repair shop for reliable service, fast turnarounds, and honest advice.
"After taking my diesel truck to two other mechanics who specialize in diesels, REV Outfitters actually figured out what was misfiring as well as fixed the issues. 10/10 work, I would recommend them to anyone who is running into the same issues."
- Steve
Explore Our Diesel Services:
Complete Diesel Repair & Maintenance
From oil leaks and sensor failures to internal engine repairs, we handle diesel engine work with precision and attention to detail.
- Common engine services include:
- Noise, vibration, and performance problems
- Oil and coolant leaks
- Glow plug and injector issues
- Hard starting and rough idle concerns
Diesel Engine Services & Performance
Diagnostic tests using state-of-art manufacturer and aftermarket tools and diesel repair of engine and vehicle drive-ability issues
- Oil leaks and coolant leaks
- Timing belts and chains
- Head gaskets
- Fuel Injection - service and replacement
- Exhaust systems
- Emission systems and components
- Computer updates/flashes
Turbocharger Repair & Boost Issues
Turbo problems can cause power loss, poor fuel economy, and excessive smoke. We diagnose and repair:
- Failed or worn turbochargers
- Boost leaks
- Turbo actuator and vane issues
Fuel Systems & Injectors
Repair or replace faulty injectors and fuel delivery systems for diesel engines. Clean, properly pressurized fuel delivery is critical for diesel performance and longevity. We service:
- Fuel filters and fuel lines
- Fuel injectors and injector seals
- High‑pressure fuel pumps
Brake Systems
Diagnostic testing, Inspections and Repair of Anti-Lock Braking Systems, Disc and Drum Brake Service.
Drive-Train Systems
All the components that make your diesel truck go (besides the engine).
- Clutch replacement
- Transmission maintenance and replacement
- Drive-line repairs
- Axles and Differential services and repairs
Cooling and Comfort Systems
Diagnostic testing and repair of systems that keep you and your diesel truck at the right temperature.
- Coolant leaks, hoses, and radiators
- Water pump and thermostat replacements
- Heating and A/C repairs and charging
Electrical Systems
Diagnostic testing and repair of electrical wiring and systems.
- Batteries
- Starters
- Alternators
- Other charging systems (solar, hybrid systems, etc)
Diesel Performance Upgrades
Tuning, turbo systems, exhaust, intake—unleash the full power of your diesel truck.
- Improves vehicle performance
- Solves for failing OEM components
- Creates a bad ass diesel truck!
Pre-Purchase Inspections
Before you purchase your next diesel truck, take advantage of our Pre-Purchase Inspection. Our 63-point inspection includes a written evaluation and test drive which gives you the information you need to make an informed buying and diesel engine repair decisions.
Industry Leading Warranty
3 Year / 36k Miles
Nationwide warranty on parts and labor for 3 years or 36,000 miles giving you the peace of mind no matter where your destination or adventure takes you. Compare that to the standard dealership warranty of 12 months or 12,000 miles for diesel repair.
We got your back!
Our Promise & WarrantyLooking for a Diesel Repair Shop near Johnstown or Loveland Colorado you can trust?
Diesel Repair with Transparency & Ease
See your inspection details with pictures and video. Diesel repair on your vehicle doesn’t begin until you give the go ahead.
Experienced Diesel Technicians Who Get It Right the First Time
Diesel engines are complex. Fuel pressure, emissions systems, turbocharging, and electronics all work together, and when one system is off, performance and reliability suffer.
Our diesel customers consistently tell us the same thing: they came to REV Outfitters because other shops couldn’t diagnose the issue — or kept guessing.
We take a different approach.
- Accurate diagnostics before replacing parts
- Clear explanations without jargon
- Repairs based on how you actually use your truck
That’s how we earn long‑term trust with diesel truck owners and perform the right diesel engine repairs.
Diesel Maintenance That Prevents Expensive Repairs
Routine diesel maintenance is the difference between a reliable truck and one that’s constantly in the shop.
We tailor maintenance recommendations based on:
- Mileage and engine type
- Towing or work use
- Driving conditions
- Modified or stock configuration
Services include:
- Diesel oil and filter changes
- Fuel filter replacement
- Cooling system service
- Differential and drivetrain fluid service
Preventive maintenance saves money, time, and frustration.
Videos on two common failure points in a Powerstroke Diesel Engine
Injector Cups - what are they and what fails
HPOP - High Pressure Oil Pump
Common Diesel Repairs
Why Diesel Truck Owners Choose REV Outfitters
- Proven experience with diesel systems
- Transparent recommendations
- Skilled technicians who understand modified trucks
- Quality workmanship backed by confidence
Whether you’re maintaining a daily driver or keeping a work truck on the road, we treat every diesel repair with the same level of care.
Visit Our Diesel Repair Shop in Johnstown
Cities We Serve
Proudly serving: Johnstown, Longmont, Loveland, Fort Collins & nearby Colorado areas.
