MIKE’S MOBILE LLC • COLORADO • CHEYENNE, WY • NORTH PLATTE, NE

Semi-Truck & Trailer Repair

Air brakes, trailer lights, ABS faults, air leaks and no-starts, fixed on-site at the truck stop, the yard or the shoulder. Mike’s Mobile repairs tractors and trailers across Colorado, Cheyenne and the North Platte region so your load keeps moving. Need help now? Call 303-257-9186.

24/7 roadside assistance • Family-owned and operated • 20+ years of experience

Request Mobile Service

Tell us what needs service and where you're located. We'll review your request and follow up.

TRACTOR + TRAILER • ONE SERVICE CALL

Tractor and Trailer Repairs Without the Tow

A dead trailer light or a slow air leak can put you out of service at a scale house just as fast as a blown engine. We come to the rig and work through brakes, air lines, gladhands, trailer wiring, ABS, suspension and landing gear, so you can get back on the road legal and safe.

We see dry vans, reefers, flatbeds and dump trailers, and we fix tractor-side problems too. If the trailer issue turns out to start at the truck, we handle both in one visit.

Mobile mechanic repairing a semi trailer on-site

Common Semi-Truck & Trailer Repair Problems

Different faults can create similar symptoms. The following examples explain what operators may notice and why a proper assessment matters before replacing parts or returning equipment to service.

Air brake concerns

Low air pressure, warning buzzers or poor brake response require immediate attention; do not continue driving an unsafe vehicle.

Trailer lights not working

Check connections and report which lights fail; wiring, grounds and connectors are common diagnostic starting points.

Trailer electrical faults

Intermittent power or ABS warning lamps may involve wiring, sensors or connector issues.

Suspension or air leaks

Uneven ride height and audible air leaks can affect handling and safe operation.

Coupling and connection issues

Damaged connections or unusual movement should be evaluated before returning to service.

Truck won't start

Battery, charging, starter or engine control faults may leave the tractor disabled.

How On-Site Troubleshooting Works

1. Describe the problem. Provide tractor and trailer unit numbers, location, warning lights, whether the trailer is loaded and which symptoms appeared first.

2. Assess the situation. A technician considers safety, accessibility, fault history and the systems most likely involved.

3. Test before replacing. Visual checks, measurements and diagnostic procedures help distinguish symptoms from root causes. A warning light or leak location alone may not tell the whole story.

4. Discuss the repair path. Some work can be completed on-site; other issues require parts, additional equipment or a different repair environment. Safety comes first.

Technician working on a semi truck during a roadside repair

Systems and Components Involved

Air brake components, trailer electrical connections, ABS indicators, suspension, coupling-related concerns, and tractor starting systems.

Understanding the affected system helps narrow down repair options, but no single symptom proves a specific part has failed. Mike's Mobile also offers mobile diesel repair, fleet maintenance and 24/7 roadside truck repair when related service is needed.

What to Have Ready Before Calling

Provide tractor and trailer unit numbers, location, warning lights, whether the trailer is loaded and which symptoms appeared first. Include the precise service location, your callback number, and whether the vehicle or equipment is blocking work or traffic. If operation appears unsafe, stop and secure the unit before requesting assistance.

Mobile mechanic servicing a box truck at a customer location

Semi-Truck & Trailer Repair FAQs

Can you repair a semi-truck at a truck stop?

Usually, yes, as long as the truck is in a safe, accessible spot. Give us the truck stop name, exit number and parking row if you can.

Do you troubleshoot trailer lights?

Yes. We trace lighting faults through the 7-way plug, harness, grounds and lamps to find the actual cause instead of just swapping bulbs.

What if my air pressure warning comes on?

Stop in a safe location and do not continue operating a vehicle with unsafe braking performance. Call us for assistance.

Can every trailer issue be fixed roadside?

No. Safety, parts and access determine whether a repair can be completed on-site. We’ll tell you up front if it can’t.

Need On-Site Help? Available 24/7.

Tell Mike's Mobile what happened, where the truck or equipment is located and how to reach you. Call 303-257-9186 for immediate assistance.

Related Commercial Services

Trailer wiring or ABS problems that keep coming back? See electrical diagnostics. Need a cracked crossmember or landing gear bracket repaired? Our mobile welding team can fix it on-site. Got a tire issue on the trailer? See mobile commercial tire service. And for annual inspections, see DOT inspections. Call 303-257-9186.

MIKE'S MOBILE

One Call. We Do It All. Family-owned mobile diesel, truck, trailer and heavy equipment repair.

Contact

303-257-9186

mikesmobilellc@gmail.com

Serving Colorado, Cheyenne WY & Nebraska

24/7 Roadside Assistance