Service Standard: Workshop disciplines detailed below represent Higer's factory-certified technical service scope for passenger coaches, city transit, and commercial vehicle operators.
1. Scheduled Maintenance
Adheres to factory maintenance intervals (A/B/C schedules) covering engine oils, fuel water separators, transmission fluid, and differential lubricants.
2. Preventive Maintenance
Multi-point mechanical audits designed to identify driveline wear, loose fasteners, and pneumatic leaks before roadside stoppages occur.
3. Mechanical Repair
Overhaul and precision replacement of drive axles, clutch pressure plates, wheel bearings, and commercial engine cooling systems.
4. Electrical Diagnostics
CAN-bus circuit troubleshooting, multiplex wiring harness repairs, 24V commercial alternator testing, and starter motor overhauls.
5. Brake Systems
Comprehensive service of dual-circuit air systems, WABCO ABS sensors/modulators, brake drum lining replacement, and Telma retarders.
6. Suspension Systems
Air spring height sensor calibration, KOMMAN air bag replacement, heavy-duty shock damping tests, and multi-leaf spring servicing.
7. Air Conditioning (HVAC)
Refrigerant recovery, leak tests, BOCK compressor rebuilds, and evaporator cleaning tailored for Zimbabwe's high-ambient temperatures.
8. Powertrain Overhaul
Injector calibration, valve clearance timing, turbocharger inspection, and major engine rebuilds for Cummins and Weichai diesels.
9. Vehicle Inspection
Chassis frame integrity checks, steering knuckle clearance verification, and pre-licensing commercial roadworthiness evaluations.
10. Software / Diagnostic Support
Electronic Control Unit (ECU) scanning, active and stored DTC fault code clearance, and manufacturer parameter programming.
11. Emergency Technical Assistance
Technical diagnostic advice and component verification for fleet operators dealing with unexpected roadside mechanical incidents.
