10/17/2026
π¨π ONE CRACKED FUEL RAIL. A CLOGGED EGR COOLER. MULTIPLE REPAIRS. LETβS GET THIS BUS BACK IN SERVICE! π§πͺ
When a school bus needs major engine work, guessing isnβt an option. At DBK Mobile Service & Repair, we dig into the problem, identify what needs attention, and get to work!
This bus needed more than a quick fix. We tackled major fuel system repairs and EGR system service to address the issues and help get this unit back on the road.
π οΈ HEREβS WHAT THIS REPAIR INCLUDED:
π΄ Complete fuel rail replacement β Cracked threads at the number 6 fuel line connection required replacement of the complete fuel rail.
π΄ Fuel line replacement β Replaced the fuel lines as part of the repair.
π΄ EGR cooler replacement β The existing cooler was clogged and needed replacement.
π΄ EGR delta-P cleaning β Cleaned the differential pressure system components.
π΄ EGR valve cleaning β Addressed carbon buildup and contamination.
π΄ EGR mixer housing cleaning β Cleaned the housing as part of the EGR system service.
πͺ THE BOTTOM LINE? PROPER DIAGNOSTICS MATTER.
Fuel system problems and restricted EGR components can lead to performance issues and unwanted downtime. Finding the root cause and addressing the problems correctly is critical when maintaining a school bus fleet.
π SCHOOL DISTRICTS & FLEET MANAGERS β WE BRING THE REPAIR SHOP TO YOU!
From fuel system repairs and engine diagnostics to emissions troubleshooting and preventative maintenance, DBK Mobile Service & Repair is ready to help keep your fleet moving.
π CALL OR TEXT 314-825-8898 to schedule service!
π₯ DBK MOBILE SERVICE & REPAIR
We Come to You. We Keep You Moving.