SEMI • TRUCK & TRAILER REPAIREuless · Plano · Dallas
Semi Truck & Trailer Repair logoSEMITRUCK & TRAILER REPAIR24/7 Roadside Assistance

Euless · Plano · Dallas

Truck Coolant, A/C & Reefer Diagnostics in Euless, Plano & Dallas.

Semi Truck & Trailer Repair offers coolant leak repair and diagnostics for both truck A/C and trailer refrigeration. Provide the equipment details, temperature symptoms and any warning codes. Call Euless, Plano or Dallas to confirm availability and the appropriate diagnostic arrangements for the affected system.

24/7 Roadside Assistance Explore services
6+ years of experience Heavy-duty trucks & trailers
White semi truck and trailer parked beside the road
DAWA TAMANG · Semi Euless · Google review photo
TRUCK & TRAILER SERVICESEMI • NORTH TEXAS

24/7 roadside assistance

Emergency roadside services, day or night.

A flat tire, air leak or no-start fault can interrupt the whole trip. Contact our Euless or Plano mobile team for 24/7 roadside assistance for heavy-duty trucks and commercial trailers.

  • Tire repair & replacement
  • Jump starts & starting faults
  • Air leaks & brake problems
  • Coolant leaks & trailer repairs
Emergency roadside services

Practical repair support

Arrange coolant and temperature control service

This service category includes coolant leak repair, temperature control diagnostics. Call the relevant local team with your truck or trailer details, symptoms and exact location. Discuss the assessment, required parts and whether the work should be arranged at your vehicle or the shop.

Symptoms to describe

  • A coolant leak or temperature warning already noticed
  • An unusual engine-temperature indication
  • Truck cab A/C that is not cooling as expected
  • Trailer refrigeration that is not maintaining the intended temperature

Details for your call

  • Truck or trailer equipment make and model
  • Whether the issue involves engine coolant, truck A/C or trailer refrigeration
  • Temperature symptoms and any fault codes already displayed
  • Exact location and any operational or access restrictions

Assessment may cover

  • The reported coolant leak and affected components
  • Truck A/C symptoms and equipment details
  • Trailer refrigeration messages and reported temperature behavior
  • The diagnostic scope and any next steps indicated by assessment

These symptoms help describe the fault; they do not identify the failed part. The assessment and parts required depend on your vehicle and the issue found.

Care for the whole vehicle

Coolant and temperature control

Available through every listed location. Call to confirm parts, current availability and whether your repair should be arranged on site or at the shop.

Coolant and temperature control

02 services

Coolant Leak Repair

Coolant leak diagnosis and repair for trucks. Describe the leak, warning lights or temperature symptoms so the team can assess the source and parts required.

Temperature Control Diagnostics

Diagnostics for truck A/C and trailer refrigeration systems when temperatures are not holding as expected. Tell the team which system is affected, any warning codes and the symptoms to discuss the diagnostic work needed.

6+ years of repair experience

Prompt, professional services and repairs.

Semi brings 6+ years of experience to truck and trailer service. We work on heavy-duty commercial trucks, semi trucks, tractor-trailers and commercial trailers, with practical support for roadside breakdowns and scheduled repairs.

Drivers, owner-operators and fleet dispatchers can contact the local team with the fault, equipment and location. We aim to provide prompt service, explain the repair arrangements clearly and discuss the work required before it begins.

Semi trucksHeavy-duty trucksTractor-trailersCommercial trailers

Arrange your service

Three steps to arrange service.

Have your truck or trailer details ready. The team will help you plan the repair.

01

Contact the right team

Choose the location that matches your truck position.

02

Discuss your repair

Call with your unit number, vehicle details, symptoms and exact location.

03

Confirm the arrangements

Discuss availability, parts, pricing and repair arrangements with the team.

Verified on Google · repair details

Truck and trailer repair, in our customers’ words.

Mobile tire change

“Fast response time and quickest tire change I’ve ever had! Would definitely use them again in the future!!”

Euless · Google review excerpt

A

Trailer brake repair

“I had a brake issue on my trailer and they showed up and fixed very quickly. Fast and affordable service. Highly recommended.”

Euless · Google review excerpt

M

Selected excerpts describing a repair or roadside service experience. Each review is attributed to its actual location; wording is unchanged. Follow the link for the full review. Ratings and counts checked October 10, 2026.

Know who to call

Local teams.
Direct contact.

Choose a location to see its full service area, hours and repair arrangements. Give the team your exact truck position to confirm availability.

See every location

Before you call

Good to know before you call.

Does temperature-control diagnostics cover truck A/C and trailer refrigeration?+

Yes, the confirmed diagnostic service covers both truck A/C and trailer refrigeration. Identify which system is affected and provide equipment details, temperature symptoms and any existing fault codes when you call.

Does a diagnostic appointment include every refrigeration or A/C repair?+

The listed service is diagnostics. Confirm the assessment scope and charges with the team before arranging it. Any further work, required parts and availability must be discussed after the fault is assessed.

How do I choose between mobile service and the Dallas shop?+

Euless and Plano handle mobile service inquiries. Dallas provides shop service during its listed hours. Call the relevant team with your vehicle location and repair details to confirm availability, access and the appropriate arrangements before dispatch or a shop visit.

Get in touch

Speak with your local Semi team.

Discuss the diagnosis, parts, labor and any call-out or after-hours charges before arranging service. Ask the team about accepted payment methods when you call.

24/7 Roadside Assistance

Choose your location

Your location. Your direct line.

Choose mobile service or the shop that fits your repair. Call before arranging service.

24/7 Roadside Assistance