Freightliner Truck Repair in Ronkonkoma, NY

Freightliner Repair

When your Freightliner starts missing shifts or throwing codes, every mile gets riskier. Delaying repairs now means more expensive and time-consuming problems later. Freightliner repair at K&M Truck Repair helps you solve issues early and avoid costly downtime.

Freightliner Truck Repair in Ronkonkoma, NY

Freightliners are built to handle heavy loads and long distances, but like any hard-working truck, they need proper maintenance and expert repairs to stay reliable. Whether you’re dealing with a failed sensor, aftertreatment issue, or loss of power, we’ve got the tools and know-how to fix it.

At K&M Truck Repair, our team is highly experienced with Freightliner models and systems. We use advanced Freightliner diagnostics to pinpoint issues quickly and recommend the best path forward. Our Freightliner repair services include:

  • Engine performance tuning and Freightliner engine repair
  • Aftertreatment system work, including DPF and DEF components
  • Freightliner air system diagnostics and repairs
  • Electrical fault tracing and Freightliner electrical repair
  • Brake system service, HVAC repair, and drivetrain diagnostics
  • Suspension and alignment inspections
  • Transmission and clutch repairs

From Cascadia to M2, we handle all heavy-duty Freightliner trucks with dealer-level accuracy and independent-shop speed.

Experience the K&M Difference!

Freightliner downtime is expensive. That’s why at K&M Truck Repair, we prioritize speed, accuracy, and customer satisfaction in every repair. Here’s what makes us the perfect choice for you:

Dealer-quality service: OEM diagnostics and tools ensure repairs are done right the first time.

Relentless fault tracking: We go beyond the code to uncover the real cause and prevent repeat issues.

Outstanding customer service: You’ll always know what’s being done, why, and when your truck will be ready.

Whether you’re addressing a single problem or building a long-term maintenance plan, we’ve got your Freightliner covered.

Contact Us About Freightliner Repair Now: Call 631-331-0066!

Don’t let minor issues become major problems. Call 631-331-0066 today to schedule your Freightliner repair with K&M Truck Repair. Or you can text 833-267-3752, and we’ll get your appointment booked in at a time that best suits you.

FAQs

What areas do you serve for Freightliner repair?

We are located at 3045 Veterans Memorial Highway, Ronkonkoma, NY 11779, and proudly serve all of Suffolk County and parts of Nassau County.

What is a common electrical issue on Freightliners?

A common electrical issue on Freightliners is corroded or loose ground connections, leading to intermittent faults, starting issues, warning lights, and malfunctioning lights or accessories. Faulty wiring harnesses, bad relays, and connector damage due to moisture or vibration are also frequent problems.

What is the most common problem with Freightliner trucks?

The most common problem with Freightliner trucks is electrical system failure, especially related to wiring harnesses and grounding issues. These can cause warning lights, starting problems, and intermittent faults. Other frequent issues include DEF system failures, air brake leaks, and HVAC malfunctions.

How can I get Freightliner repair?

If your Freightliner needs expert care, call 631-331-0066 or text 833-267-3752 to schedule your Freightliner repair today. We’ll get your truck diagnosed, repaired, and back in service with zero guesswork.

K&M Truck Repair

Keeping You On The Road

Reviews

Customer Testimonials

"Was looking for a new shop to work on my truck and these guys were phenomenal. Took me right in, kept me informed throughout the process and expeditiously had me back up and running. Their knowledge and workmanship is incredible. If you're looking for a great shop to bring your truck to, look no further because these are your guys,"
- Daniel

"Thank you Angel, Rich, and the crew for always doing the right thing and being there when needed.  @MorelandHose appreciates dealing with local, family-owned small businesses like yourself."

David

"My truck lights were out and Peter and Ray saved the day. Peter showed me exactly what the issue was and had me going in no time. Real honest service!!!!  I will definitely go back."

3 Brothers Family Moving

"The truck repair shop is a lifesaver for truck owners. They provide swift and skilled service, ensuring your vehicle gets back on the road in no time. A dependable choice for truck maintenance and repairs."

Kenneth

"I Highly recommend this place and people. One of the most friendly and attentive shop I’ve ever work with. Thank you Alvin for your assistance, professionalism and kindness. Thank you Peter for your skills, time, knowledge and honesty fixing my truck. You have a customer for life."

Dariusz

"This place is awesome! They got me in right away and fixed the tires on my kayak trailer. The entire staff was kind and courteous. I would highly recommend!!!"

Karen

"This company is extremely reliable! Hard workers and they go the extra mile for you. I am completely satisfied and in awe of how fast they got to me and to work. 100% recommend."

Jonathan

"Professional, friendly, and knowledgeable.  These people go above and beyond to help you fix the problem.  We had several issues with our truck (electrical, brakes, airleak).  The owner, Peter, checked out the truck and fixed it quickly!  He and his staff are extremely helpful and friendly.   These people treat you right and know their stuff!"

Lady Trucker

"Air compressor went out on my 2007 Peterbilt. Peter showed up within an hour and had me rolling again by noon next day good, honest mechanic is priceless these days I highly recommend."

Stephen

Contact & Location

Billing

Here at K&M TRUCK REPAIR, we know that any product or service that streamlines your fleet repairs saves you time and money, so we now have cbCharge available. It is a simple and free charge account that consolidates your billing through a secure online portal and provides 30-day payment terms with no interest or late fees. Your fleets repairs and maintenance are completed and billed and emailed from K&M TRUCK REPAIR. Then you get one monthly invoice from cbCharge, similar to a credit card bill.

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