A blown air bag leaves your load unbalanced, your tires overloaded and your truck unsafe. We diagnose and repair air suspension systems on semi trucks, trailers and heavy equipment on-site in Austin, Hutto, Georgetown and Central Texas — 24 hours a day.
Air suspension failures are often visible before they become dangerous. Act on these warning signs before the bag fails completely.
One corner of the truck or trailer sitting noticeably lower
Continuous loud hissing from the suspension area
Air bag visibly deflated, collapsed or leaking
Ride height warning light illuminated on dashboard
Trailer leveling itself continuously — height control valve stuck open
Harsh ride even on smooth pavement
Air pressure drops when suspension load changes
Air bags — also called air springs — are the most common failure point in air suspension systems. A cracked end cap, torn bellows or pinched bag means the axle is riding on the bump stop or frame rather than cushioned air. We carry replacement air springs in the most common truck and trailer configurations.
Load Safety Warning: Operating with a deflated air bag on a loaded trailer transfers abnormal stress to the frame and causes uneven tire loading. Pull over safely and call us immediately if one corner is sitting low with a load on board.
Cab air bags (driver isolation systems)
Drive axle suspension air springs
Trailer tandem and single axle air bags
Lift axle air bags and control systems
The height control valve maintains correct ride height as load changes. A stuck or failed valve causes continuous air loss, incorrect height, or inability to raise or lower the suspension for loading. We test and replace height control valves on-site for all major truck and trailer configurations.
Air line damage from road debris, age or vibration causes slow or rapid leaks throughout the suspension circuit. We trace leaks to the source and repair or replace the damaged section on-site using correct-spec nylon tubing and fittings.
Height control valve testing and replacement
Air line inspection and repair
Suspension circuit pressure testing
Shock absorber condition inspection
Call or WhatsApp right now — a real mechanic answers 24/7. We dispatch immediately anywhere within 30 miles of Hutto, TX.