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Our Work

Every photo here is a real RDZ job in the Valley. No stock photography, no borrowed pictures — just what the work actually looks like at the roadside.

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46 photos from real jobs

Wheel Ends, Air Systems, Engines and Night Calls

Brakes and wheel ends, air leaks, injectors and aftertreatment faults, trailer wiring, cooling systems — on the shoulder, in the yard, at the dock, and at two in the morning.

Air line coiled beside a truck tire during a roadside air system check in the Rio Grande Valley — Air system check

Wheel removed from a US DOT box truck on a jack stand, hub and brake exposed for service — Wheel end service

RDZ technician working under a loaded trailer on an air line repair — Under the trailer

Heavy-duty engine bay opened up for repair, injector lines and fuel system visible — Engine bay work

Drive axle and suspension viewed from under a tractor during a roadside inspection — Drive axle inspection

Transmission and clutch housing removed and laid out for repair — Driveline repair

Brake chamber and slack adjuster assembly during a heavy-duty brake service — Brake chamber service

Freightliner box truck with the hood up for a roadside repair in Pharr, Texas — Freightliner box truck

Wheel hub with damaged studs and burnt grease after a wheel end failure — Wheel end failure

Peterbilt tractor with the hood open while a technician works on the engine — Peterbilt engine work

Brake drum and hub assembly disassembled on the ground with tools laid out — Brake drum service

Tractors parked in a customer yard during a fleet service call — Fleet yard call

Motorcoach serviced at the roadside by RDZ Roadside — Motorcoach service

Service truck parked beside a dry van trailer on a roadside call in the Valley — Roadside call

Volvo diesel engine bay during a repair, turbo and exhaust plumbing visible — Volvo engine repair

Trailer raised with wheels removed during a landing gear and axle repair — Trailer axle work

Kenworth sleeper tractor on a roadside service call in the Rio Grande Valley — Sleeper tractor call

Volvo engine with penetrating fluid during an exhaust and turbo repair — Volvo exhaust work

RDZ technician pouring fluid during an on-site oil and fluid service — Fluid service

Trailer wiring and electrical connector repaired on a yellow trailer frame — Trailer electrical

Technician using air tools on a wheel during a roadside brake job — Roadside brake job

Cylinder head with valve cover removed, injectors and rocker assembly exposed — Top end engine work

International flatbed truck serviced on site — International flatbed

Technician working a wheel end beside a white sleeper tractor at the roadside — Roadside wheel service

Fuel or DEF line connected during a heavy-duty engine service — Fuel and DEF line repair

Amber marker light glowing during a night trailer lighting repair — Night lighting repair

Diesel fuel injector held in hand before installation — Injector replacement

Radiator core inspected for damage during a cooling system diagnosis — Cooling system check

Exhaust and aftertreatment pipework handled during a DPF and emissions repair — Aftertreatment repair

Diagnostic laptop connected to a truck's ECM inside the cab — Reading fault codes on a call

Wheel and brake assembly viewed close up during a tire and brake service — Tire and brake service

Right front hub marked and torqued during a wheel end rebuild — Wheel end rebuild

Cab dash panel opened for electrical and wiring troubleshooting — Cab electrical work

Air spring and suspension components inspected under a trailer at night — Air suspension work

Dry van trailer in a customer yard during a scheduled maintenance call — Scheduled yard service

Customer trailer worked on at night — Night trailer repair

Diagnostic software showing an aftertreatment DEF dosing valve fault and an engine torque derate — Reading a derate code on a call

Charge air cooler removed and laid out during a cooling system repair — Charge air cooler

Failed wheel spindle and bearing race packed with burnt grease — Failed wheel bearing

Air spring and suspension mount inspected under a tractor — Air spring inspection

RDZ Roadside mobile service truck on a night call in Pharr, Texas — The service truck

RDZ technician resurfacing a brake drum on site — Brake drum work

RDZ service truck parked beside customer trailers during a fleet call — Fleet service call

Technician working between dual tires on a roadside wheel service — Dual tire service

Caterpillar diesel engine bay opened for repair — Caterpillar engine

Diagnostic laptop set up in a truck cab while reading engine fault codes — Reading fault codes in the cab

Common Questions

Are these your own photos?

Yes. Every photo on this page is from an actual RDZ job in the Rio Grande Valley — no stock photography. They were taken on site while the work was happening.

What kinds of trucks do you work on?

Truck makes we work on most: Freightliner, Kenworth, Peterbilt, Volvo, Mack, International — plus box trucks, flatbeds and motorcoaches.

Other Services

24/7 Roadside Assistance Mobile Tire Service Mechanical Repair Brake Repair Truck A/C Repair Fleet Preventative Maintenance Mobile Oil Change & PM Jump Start & Battery All of the RGV

Tell Us Your Mile Marker

Call any hour, day or night. We tell you honestly how long before we roll.

📞 (956) 560-5130 WhatsApp

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