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AF Express Truck Repair


AF Express Repair is the ultimate solution for all your truck and trailer repair needs in the bustling Chicago Metro Area. With just one call, we take care of everything. Whether your truck requires on-the-spot roadside repair or needs to be towed to our fully equipped repair facility operating round the clock, we guarantee prompt service to get your truck back on the road as quickly as possible.

We specialize in heavy truck repair for all leading makes, including Kenworth, Peterbilt, International, Freightliner, Mack, Volvo, and more. Whether your commercial truck and trailer require diagnostic assessments or repairs, we handle it all—both in our well-equipped facility and on the road.

Our team of skilled technicians regularly works on a wide range of engines, including Cat, Cummins, Detroit, Mercedes, International, Volvo, Mack, and many others. This extensive expertise ensures that your truck receives the highest standard of care and precision during the repair process.

If you're searching for a trusted repair shop with honest professionals who prioritize minimizing your downtime, reach out to AF Express Repair today. We are dedicated to delivering exceptional service and ensuring your truck is back on the road in no time.

DPF Cleaning Diesel Repair - AF Express Truck Repair


AF Express provides professional DPF cleaning services, recognizing the crucial role of Diesel Particulate Filters (DPF) in eliminating particles, including ash and grime, from diesel exhaust. Just like any other engine component, regular maintenance of the DPF is essential, and our team is here to assist you.

Transmissions Repair - AF Express Truck Repair


  • Gears not engaging.

  • Not staying in gear.

  • Taking a long time to get into gear.

  • Transmission slips.

  • High engine revving.

Brake Chambers Repair - AF Express Truck Repair


  • The push rod is not fully retracting

  • I received a DOT warning because my push rod lengths were greater than 6.4 mm or ¼ inch

  • My brake chamber push rod is bent

  • The wheel end is consistently hot

Electrical Repair - AF Express Truck Repair


  • Engine Control Unit.

  • Wiring Problems. 

  • Damaged Battery Cables.

  • Starter Issues.

  • Lighting Problems.

  • Horns and Sirens.

  • Liftgate Motor.

  • Circuit Protectors.

DIFFERENTIAL AF Express Truck Repair


  • Worn carrier bearings.

  • Loose pinion-bearing preload. 

  • Broken pinion-gear tooth.

  • Worn U-joints.

  • Bad wheel bearings.

  • Broken cornering gears.

  • Worn transfer case.

  • Out-of-balance driveshaft.

Suspension Repair - AF Express Truck Repair


  • Pulling to one side when driving.

  • Feeling every bump. 

  • One corner sits low.

  • Diving, rolling and/or squatting.

  • Difficulty when steering.

Fuel Injector Repair - AF Express Truck Repair


  • Check Engine Light Illuminates Solid or Flashes. One of the engine issues that can cause the check engine light to come on or flash is a dirty or malfunctioning fuel injector.

  • Rough Idling/Irritating Idle Noise.

  • Engine Misfiring.

  • Fuel Leaks.

Belt & Hose Repair - AF Express Truck Repair


  • Strange Noises. One of the most common signs of a failing is strange noises coming from the engine.

  • Visual Inspection. You should have your belts and hoses inspected with each oil change.

  • Fluid Leaks.

  • Timing Belt Replacement.

Diesel Repair - AF Express Truck Repair


At AF Express, we recognize the challenges faced by operators and fleet managers in locating skilled mechanics for their trucks and fleet vehicles. That's why our team consists of a friendly and knowledgeable group of certified mechanics who are well-equipped to diagnose, service, and repair your diesel truck using the most advanced diagnostic equipment available.

Power Stearing Repair - AF Express Truck Repair


  • Low Power Steering Fluid. Low power steering fluid is one of the most common issues that you'll have as a driver.

  • Power Steering Fluid Leaks.

  • Failing Steering Rack Mount.

  • Damaged Or Worn-Out Power Steering Belt.

  • Bad Strut Bearings Or Tie Rods.

Tire Repairs - AF Express Truck Repair


Tires can become damaged for a variety of reasons, and it can happen without the driver being immediately aware there's a problem. The most common types of damage are punctures, cuts, impacts, cracks, bulges and irregular wear

Truck Overhauls - AF Express Truck Repair


  • Engine Oil is missing.

  • Your Fuel Efficiency is dropping.

  • Engine sounding weird.

  • Engine overheating.

  • Smoke billowing from exhaust pipe.

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