Semi Truck
Brake Systems
Air brake inspection, adjustment, and repair for semi trucks and trailers — performed on-site to DOT standards. Gilbert, Chandler, Mesa, Phoenix, Glendale, Goodyear, Avondale, Buckeye, Queen Creek, Eloy, and all surrounding areas. We don't cut corners on brakes.
Safety-Critical Work Done Right
Brake failures are the leading cause of commercial truck accidents. Road Wrench performs all brake work to DOT FMCSA standards — we don't take shortcuts on safety-critical systems. If your truck fails a brake inspection, we can get it back into compliance on-site.
What We Handle On-Site
Air Brake Inspection & Adjustment
Full system inspection including pushrod travel, brake adjustment, and air pressure testing to DOT standards.
Brake Chamber Replacement
Service and emergency brake chambers replaced on-site for steer, drive, and trailer axles.
Slack Adjuster Service
Manual and automatic slack adjuster inspection, adjustment, and replacement to restore proper brake stroke.
Brake Drum & Shoe Replacement
Worn drums and brake shoes replaced on location — no need to pull the truck to a shop.
Air Line & Fitting Repair
Air leaks, broken lines, and damaged fittings repaired on the spot to restore full system pressure.
DOT Brake Compliance Inspection
Pre-trip and compliance brake inspections performed to DOT FMCSA standards — documentation provided.
Gilbert · Chandler · Mesa · Phoenix · Glendale · Goodyear · Avondale · Buckeye · Queen Creek · Eloy
We cover the full Phoenix metro and all communities within 100 miles. Brake failure on I-10, I-17, US-60, Loop 101, Loop 202, or SR-303? We dispatch immediately.
- Immediate 24/7 dispatch
- DOT FMCSA compliant work
- All truck and trailer axles
- No tow required in most cases
- Gilbert, Chandler, Mesa, Phoenix, Glendale, Goodyear, Avondale, Buckeye, Queen Creek, Eloy & Phoenix Metro
24/7 Dispatch
(480) 849-5261