Volvo Truck
Repair Services
From VNL highway tractors to VHD vocational trucks, CTR Repair delivers dealer-level Volvo diagnostics at independent shop pricing. D13, D11, I-Shift — we know Volvo inside and out.
Every Volvo Model
VNL Series
VNL 300 (day cab), VNL 740 (mid-roof sleeper), VNL 760 (61" sleeper), VNL 860 (77" sleeper). Volvo D13 and D11 power. I-Shift automated transmission.
VNR Series
VNR 300 (day cab), VNR 400 (low-roof sleeper), VNR 640 (61" sleeper). Regional-haul optimized. D13 and D11 engines.
VHD Series
VHD 300 (day cab) and VHD 400 (sleeper). Vocational — dump, mixer, heavy-haul. Set-back front axle for maneuverability.
VNX
Heavy-haul specialist. 600+ HP D16 power available. Tridem and heavy-haul configurations.
Legacy VN / VT
Older VN and VT series still in service. Full drivetrain, electrical, and chassis service.
D13, D11 & I-Shift
Volvo D13 (12.8L)
405–500 HP
Common rail fuel system, wave piston technology, VGT turbocharger, turbo compound unit, EGR system, DPF/DOC/SCR aftertreatment, overhead adjustment.
Volvo D11 (10.8L)
325–425 HP
Lighter weight option for regional and vocational. Full service including fuel system, turbo, and aftertreatment.
Volvo D16 (16.1L)
500–600 HP
Heavy-haul and high-HP applications. Full engine service and overhaul capability.
Cummins ISX15 / X15
400–605 HP
Some Volvo trucks equipped with Cummins power. Full service including XPI fuel system and aftertreatment.
I-Shift Transmission Service
Volvo Problems We Fix
Aftertreatment / Emissions Derates
DEF quality sensor faults, DPF soot loading, SCR efficiency codes, 7th injector failure, NOx sensor faults.
EGR Cooler Leaks
D13 and D11 EGR cooler cracking — coolant-to-exhaust leaks causing white smoke and coolant loss.
Turbo Compound Unit
Bearing wear in the turbo compound power recovery unit — unique to Volvo D13.
I-Shift Transmission Issues
Clutch actuator failures, shift quality complaints, gear-range sensor problems, software update needs.
Oil Separator Failures
CCV (crankcase ventilation) system failures causing oil consumption and external leaks.
Rear Main Seal Leaks
Common on higher-mileage D13 and D11 engines. Oil leak at the flywheel housing.
Comprehensive Service Menu
Preventive Maintenance
PM-A, PM-B, PM-C tiered programs, DOT annual inspections, pre-trip issue resolution, fluid analysis.
Engine Repair & Overhaul
In-frame and out-of-frame D11/D13/D16 overhauls, injector replacement, head gasket repair, engine brake adjustment.
Transmission Service
I-Shift clutch replacement and calibration, Eaton Fuller rebuild, Allison service, PTO installation.
Electrical & Diagnostics
VODIA factory diagnostics — engine, transmission, aftertreatment, ADAS, body builder modules.
Steering & Suspension
Front axle and king pin, power steering, air-ride suspension, alignment — steer and tandem.
Brake Service
Foundation brake reline, Bendix ABS diagnosis, air system leak-down testing, slack adjuster replacement.
Cooling System
Radiator repair and replacement, water pump, charge air cooler, fan clutch, coolant flush.
A/C & Heating
Full A/C diagnosis and repair, blend door actuator, compressor replacement, heater core service.
Why Choose CTR for Volvo
Volvo Repair Near You
CTR Heavy Duty — Armentrout Dr
Serving the greater Charlotte metro area: