Semi Truck Repair Services

in Fairview, OR & the Surrounding Areas

Chrome semi-truck backed to a loading dock at a warehouse, with trailer doors open.

Complete repair service for large commercial & personal diesel vehicles. >

Bus being lifted in a repair shop by hydraulic jacks, with a mechanic underneath.

Our team can conduct any legal, safety or other needed inspection. >

White semi-truck tractors parked inside a warehouse garage

At our shop or on the road, we keep trucks & trailers moving. >

AD Truck Services logo in red with stylized letters on a white background

Complete Diesel Repair for Semi Trucks, Buses & Motorhomes

Locally owned AD Truck Service & Repair provides professional diesel repair, maintenance and commercial vehicle services in Fairview for truck drivers, fleet operators, businesses and RV owners throughout the greater Portland area.

Diesel Repair

Diesel Maintenance

Semi Truck Repair & Maintenance

RV Repair & Maintenance

Bus Repair & Maintenance

Fleet Repair & Maintenance

Red and white AD Truck Services logo with stylized letters and truck service text

Trailer Repairs & Service

DOT Inspections

CARB Testing

Welding & Fabrication

Tire Services

Mobile Repair &  Roadside Assistance

Dependable Truck, Bus, Trailer & RV Repair When Downtime Matters

We understand that when a truck, bus, trailer or motorhome needs repair, downtime matters. That is why our team works with urgency while still taking the time to properly inspect vehicles, accurately diagnose problems and communicate clearly about the work that needs to be done. From scheduled maintenance and DOT inspections to unexpected breakdowns and major mechanical repairs, our goal is to deliver dependable semi truck repair and other fleet vehicle services near Portland without unnecessary delays or surprises. Whether you operate one truck or manage an entire fleet, you can count on our local diesel mechanics and truck repair shop to treat your vehicle and your time with respect. Give us a call to learn more, request roadside assistance for your truck or RV, or schedule an appointment for commercial truck repair in Fairview, Oregon. We’d be happy to answer any questions or provide a quote.

Ad Truck Services - Semi repair employees - Farview, OR - black uniforms seated in a meeting room, listening in a circle.
Man at a desk using a desktop computer, wearing a headband and black shirt, with a coffee cup nearby.
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Three men stand in a warehouse aisle surrounded by stacked boxes and shelves of parts.
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Truck & RV Repair Service Areas Near Portland, Oregon

Service Areas: Proudly serving Fairview, Troutdale, Wood Village, Gresham, Portland, Happy Valley, Clackamas, Milwaukie, Oregon City, Sandy, Damascus, Boring, Wilsonville, Tualatin, Beaverton, Hillsboro, Lake Oswego, Vancouver, Camas, Washougal, and surrounding communities throughout the Portland Metro area and Southwest Washington.

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The RV and semi truck technicians at AD Truck Service proudly serve customers from Fairview, Portland, Vancouver,  and surrounding Oregon and Southwest Washington communities. Our licensed mechanics have access to modern diagnostics and repair equipment, ensuring optimal service for your semi trucks and other commercial vehicles as well as buses, RVs, motorhomes and trailers. You can rely on us for diesel engine repair, transmission work, brakes, steering and suspension, drivetrain service, tires, alignments, preventive maintenance, DOT inspections, CARB testing, and even welding and fabrication as needed. With available mobile fleet repair and roadside assistance, you can count on us to be there when you need us. We continually invest in the latest tools and keep our shop updated to ensure we’re able to service any type of vehicle, including those from Freightliner, Western Star, Peterbilt, Kenworth, Mack, Volvo, and International. When trouble strikes, or if it is time for fleet, bus, RV, trailer or semi truck maintenance near Portland, give AD Truck Service a call at 971-381-3773 or visit us at 23012 NE Sandy Blvd, Fairview, OR 97024. We look forward to getting you back on the road, fast.

Aerial view of a white warehouse with parked trucks in an industrial yard beside a road.

Experienced Service for Leading Commercial Truck Brands

Freightliner logo
Western Star logo
Peterbilt logo
Kenworth logo
Mack Trucks logo
Volvo Trucks logo
International Trucks logo
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AD Truck Service Reviews

See What Our Customers Are Saying

★★★★★

“done fast and with great quality...”


I’ve been servicing my truck here for about a year and a half, and I can confidently say these guys are top-notch. They always get the job done fast and with great quality.


— Nursultan Y.

★★★★★

“give this shop 10 stars...”


If I could give this shop 10 stars, I would. Running a rig means time is money, and these guys respect the clock like no one else.


— Adi C.

★★★★★

“pricing is fair, turnaround is quick...”


We’ve been working with AD Truck Service for a while now, especially when our trucks are out in Oregon and can’t make it back to our shop in South Carolina. They’ve been a reliable go-to every time. Their pricing is fair, turnaround is quick, and most importantly, they give honest assessments without trying to upsell unnecessary work.


— Eugine B.

★★★★★

“recommend them to all truck drivers...”


Most professional truck service I have seen. These guys are professional. They're worth every penny you paid them, even more. I think they can fix even starships if you bring them. I’m coming here for a second time and I’m satisfied 1,000,000%. They have all specialists in one shop. I definitely recommend them to all truck drivers.


— Farhat H.

★★★★★

“affordable, and extremely detail-oriented...”


Outstanding truck repair shop. They’re fast, affordable, and extremely detail-oriented. You can tell they take pride in their work—nothing is rushed or overlooked. Easily the best place in the area for truck maintenance and repairs.


— Theophilus A.

Blog

Truck Repair, Diesel Maintenance & Commercial Vehicle Tips

White semi truck parked in a loading dock beside another trailer, with a worker standing nearby

Top Signs of Semi Truck Brake Trouble

By AD Truck Service • September 3, 2026
Brake problems on a semi truck should never be ignored. Heavy loads, long routes, steep grades and frequent stops all place significant stress on commercial braking systems. Recognizing early warning signs can help prevent unsafe driving conditions, roadside breakdowns and more expensive repairs. AD Truck Service provides semi truck brake repair and commercial vehicle service in Fairview and throughout the surrounding Oregon and Southwest Washington areas. Unusual Noises or Reduced Stopping Power Grinding, squealing, scraping or other unusual brake noises can indicate worn pads, shoes, drums, rotors or related hardware. A truck that takes longer to stop, feels less responsive or requires more pedal pressure should be inspected promptly. Pulling to one side during braking can also point to uneven brake performance, sticking components or adjustment problems. Air Pressure and Brake Warning Problems Air brake systems depend on maintaining proper pressure. Frequent low-air warnings, slow pressure buildup, air leaks or unusual compressor behavior can indicate a problem that requires professional attention. Dashboard brake warning lights should also be taken seriously. Even if the truck still seems to stop normally, a warning may indicate a fault in the braking or related safety systems. Vibration, Heat or Burning Smells Vibration through the pedal or steering system while braking may signal warped or damaged brake components. Excessive heat, smoke or a burning odor near the wheels can indicate dragging brakes or components that are not releasing properly. These conditions can quickly lead to additional damage and should be addressed before continuing a long route. Don’t Forget the Trailer Brakes Trailer brake trouble can be just as dangerous as a problem with the tractor. Watch for uneven braking, trailer pulling, wheel-end heat, abnormal tire wear, damaged air lines or electrical problems affecting trailer brake operation. Routine trailer brake inspections and adjustments can help identify wear before it becomes a roadside issue. Semi Truck Brake Repair Near Portland If your truck or trailer is showing signs of brake trouble, call AD Truck Service at  971-381-3773  for professional semi truck and semi trailer brake repair in Fairview. Our team of expert truck mechanics will keep you moving safely down the road. We’d be happy to answer any questions or offer a quote for the cost of big rig brake repair in Fairview for any model of truck.