Air Leaks, Low Pressure or Brake Lock-Up? Don’t Move the Truck
Your truck is losing air, brakes locked up, or pressure dropping?
Stop immediately — this is a high-risk failure.
We fix air leaks, low air pressure, ABS faults, and brake lock-up the same day for heavy trucks in Dallas–Fort Worth.
Salazar Semi-Truck Repair Inc. – 2323 Chalk Hill Rd, Dallas, TX 75212
Why Drivers & Fleets Trust Us First
- Emergency brake specialists: We repair air leaks, locked brakes, compressor failures and ABS faults every day.
- Heavy-duty only: Semi-trucks, box trucks and commercial fleets — no cars.
- Dealer-level diagnostics: ABS scan, pressure drop tests, valve function checks and air build rate analysis.
- Fleet workflow: Photos, notes, unit numbers, mileage and PM recommendations for your maintenance records.
- PO & EFS available: For approved fleet accounts in the Dallas–Fort Worth area.
Signs Your Air Brake System Is No Longer Safe
If you notice ANY of these, the truck should be inspected as soon as possible:
- Constant air leak sound near tanks, lines, fittings or valves.
- Brake pedal feels soft, spongy or sinks toward the floor.
- The truck pulls to one side or shakes when braking.
- ABS or brake warning lights illuminated on the dash.
- Slow air build-up or compressor running almost non-stop.
- Vibration or shuddering when you press the brakes.
Most Common Air Brake Failures We Repair
- Air leaks: cracked hoses, loose fittings, tank leaks, damaged valves, chafed lines.
- Brake lock-up: stuck chambers, frozen components, seized hardware, ABS sensor faults.
- Low air pressure: compressor issues, faulty governor, leaking tanks or lines.
- ABS problems: failed wheel speed sensors, damaged tone rings, wiring faults.
- Moisture issues: frozen air dryers, purge valve failure, water contamination in the system.
What We Inspect and Replace in a Heavy Truck Air Brake System
Our brake technicians perform a complete air brake system evaluation and can repair or replace:
- Brake chambers and pushrods
- Slack adjusters and linkage
- Air lines, hoses and fittings
- Relay, foot, tractor protection and inversion valves
- Drums, shoes, pads and related hardware
- ABS sensors, tone rings and wiring harnesses
- Air dryer, purge valve, cartridges and moisture-related components
Our Emergency Air Brake Repair Process
- Triage call: You tell us what you hear, see and feel when braking; we identify the likely failure.
- Safety check: We confirm whether the unit can move or must stay parked.
- Diagnostics: Pressure tests, leak detection, mechanical inspection and ABS scan if needed.
- Clear estimate: You receive a written estimate before we start major work.
- Repair: We fix or replace the faulty components and correct the root cause.
- Proof & reporting: Photos, notes and recommendations to prevent repeat failures.
For Drivers
Tell us exactly what you hear, see and feel when you hit the brakes. We translate your description into a real diagnosis and let you know if it’s safe to move or not. No complicated shop talk we speak your language.
For Dispatchers
You receive clear ETAs, updates, photos and repair notes so you can make fast decisions, keep freight moving and communicate with your customer without guessing.
For Fleet Managers
Every brake job can include unit number, mileage, fault codes, replaced parts and PM schedule. That means your maintenance plan stays under control, and unplanned roadside events go down over time.
A Brake Failure Costs More Than a Repair
Air brake problems cause accidents, tow bills, DOT violations, damaged loads and lost customers. Fixing the problem now is always cheaper than dealing with a breakdown in the wrong place at the wrong time.
Air Brake Repair – Frequently Asked Questions
No. An air leak can quickly reduce system pressure and cause your brakes to drag, lock up or fail to apply correctly. If you suspect an air leak, park in a safe area, chock the wheels if necessary and contact a heavy truck brake specialist before driving again.
Yes. We offer same-day emergency air brake repair for semi-trucks in the Dallas–Fort Worth area, subject to availability. Our priority is to restore safe brake operation as fast as possible so your unit can return to service.
Common signs include air leaks, warning lights on the dash, a soft or sinking brake pedal, pulling to one side under braking, vibration when braking, or slow air build-up. Any of these symptoms mean your truck should be inspected soon.
Yes. We support fleet accounts for approved customers. Each job can include photos, notes and a clear repair summary for your back office.
We inspect and repair or replace brake chambers, hoses, valves, slack adjusters, drums, shoes, pads, ABS sensors and wiring, as well as air dryers and moisture-related parts to restore safe and balanced braking.
Same-Day Semi-Truck Air Brake Repair in Dallas, TX
Don’t risk your load, your schedule or your safety.
Call now or head directly to our shop on Chalk Hill Rd.
We’ll diagnose your air brake problem and get your heavy truck back on the road fast.
