2018 Volvo VNL 860

2018 Volvo VNL 860

Overview

The 2018 Volvo VNL 860 is a premium Class 8 truck designed for long-haul operations, emphasizing driver comfort and fuel efficiency. Volvo’s reputation for robust engineering is generally reflected in the VNL 860’s reliability. While specific widespread mechanical failures are uncommon for this model year, like any heavy-duty vehicle, components can experience issues under demanding operational conditions. This analysis focuses on documented technical reliability, excluding routine maintenance and standard wear and tear, to provide a clear picture of potential concerns for fleet managers and owner-operators.

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Engine

Volvo D13 12.8L Diesel

EGR Cooler Leaks

• Symptoms: Coolant loss, white smoke from exhaust, overheating, potential engine misfires.
• Solution: Replacement of the EGR cooler assembly.
• Cost: $800 - $1500

DEF Injector Malfunctions

• Symptoms: Check Engine light, reduced engine power, emissions system faults, poor fuel economy.
• Solution: Cleaning or replacement of the Diesel Exhaust Fluid (DEF) injector.
• Cost: $300 - $700

Cummins ISX15 14.9L Diesel

DPF Regeneration Failures

• Symptoms: Increased soot buildup, Check Engine light, loss of power, frequent regeneration cycles.
• Solution: Manual regeneration, cleaning or replacement of the Diesel Particulate Filter (DPF).
• Cost: $1000 - $3000

Turbocharger Issues

• Symptoms: Loss of power, excessive smoke, whistling noises, increased oil consumption.
• Solution: Repair or replacement of the turbocharger.
• Cost: $1500 - $3500

Transmission

Volvo I-Shift Automated Manual Transmission

Clutch Actuator Problems

• Symptoms: Difficulty shifting gears, jerky engagement, transmission fault codes, inability to move.
• Solution: Replacement of the clutch actuator assembly.
• Cost: $1200 - $2500

Transmission Control Module (TCM) Faults

• Symptoms: Erratic shifting behavior, loss of communication with TCM, transmission warning lights.
• Solution: Software update or replacement of the TCM.
• Cost: $700 - $1800

Eaton Fuller Manual Transmission (e.g., RTLO series)

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Suspension

Volvo Air Suspension (VNL series)

Air Spring Leaks

• Symptoms: Vehicle sagging on one side, uneven ride height, air suspension warning light.
• Solution: Replacement of leaking air springs or air lines.
• Cost: $400 - $900

Ride Height Control Valve Malfunctions

• Symptoms: Inability to adjust ride height, constant air leaks, rough ride.
• Solution: Repair or replacement of the ride height control valve.
• Cost: $300 - $600

Electrical

Wiring Harnesses and Connectors

Corrosion and Loose Connections

• Symptoms: Intermittent electrical faults, warning lights, non-functional accessories, starting issues.
• Solution: Inspection, cleaning, and securing of electrical connections; repair or replacement of damaged harness sections.
• Cost: $200 - $700

Infotainment and Telematics System

Software Glitches

• Symptoms: Screen freezing, unresponsive touch controls, connectivity issues.
• Solution: Software updates or system resets.
• Cost: $0 - $300 (for service)

Exterior

Aerodynamic Fairings and Panels

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Lighting Systems

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Interior

Cabin Climate Control System

Blower Motor Failures

• Symptoms: No airflow or intermittent airflow from vents, unusual noises from dashboard.
• Solution: Replacement of the cabin blower motor.
• Cost: $300 - $600

Seat Adjustments and Air Bladders

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

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Summary Verdict

The 2018 Volvo VNL 860 demonstrates strong reliability, consistent with Volvo’s reputation in the heavy-duty truck market. The most commonly reported technical concerns revolve around the exhaust aftertreatment system (EGR coolers, DEF injectors, DPFs) and the automated manual transmission’s control modules and actuators, particularly with the Volvo I-Shift. These issues, while not universal, are the primary areas where fleet operators might encounter repair needs. Electrical system connections and interior climate control components can also present minor issues. Overall, with proper maintenance and attention to these specific potential failure points, the VNL 860 is a dependable choice for long-haul trucking.