2017 Volvo VNR 400

2017 Volvo VNR 400

Overview

The 2017 Volvo VNR 400 is a Class 8 vocational truck designed for demanding applications, emphasizing durability and driver comfort. Volvo’s VNR series is known for its robust construction and advanced safety features. Reliability data for this specific model year indicates a generally strong performance, with most reported issues being isolated incidents rather than widespread systemic failures. Owners and fleet managers often cite the VNR 400’s uptime and operational efficiency as key benefits. However, as with any heavy-duty vehicle, specific components can experience issues over time, particularly under strenuous operating conditions. This analysis focuses on documented technical reliability concerns beyond routine maintenance.

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Engine

Volvo D11 (10.8L Diesel)

EGR Cooler Leaks

• Symptoms: Loss of coolant, white smoke from exhaust, engine overheating.
• Solution: Replacement of the EGR cooler assembly.
• Cost: $1,200 - $2,500

Fuel Injector Issues

• Symptoms: Rough idling, poor fuel economy, engine misfires, check engine light.
• Solution: Diagnosis and replacement of faulty fuel injectors.
• Cost: $800 - $1,500 per injector

Volvo D13 (12.8L Diesel)

DPF Regeneration Failures

• Symptoms: Reduced engine power, increased fuel consumption, DPF warning light.
• Solution: Forced regeneration or DPF cleaning/replacement.
• Cost: $500 - $2,000

Turbocharger Malfunctions

• Symptoms: Loss of power, excessive smoke, whining or whistling noises.
• Solution: Inspection and potential replacement of the turbocharger.
• Cost: $1,500 - $3,000

Transmission

Volvo I-Shift (Automated Manual Transmission)

Clutch Actuator Problems

• Symptoms: Difficulty shifting gears, transmission fault codes, jerky engagement.
• Solution: Replacement of the clutch actuator assembly.
• Cost: $1,000 - $2,000

Transmission Control Module (TCM) Errors

• Symptoms: Erratic shifting behavior, inability to select gears, transmission warning lights.
• Solution: Software updates or replacement of the TCM.
• Cost: $700 - $1,500

Eaton Fuller (Manual Transmission)

No widespread issues reported.

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

Suspension

Air Suspension (Volvo’s Rear Air Suspension)

Air Spring Leaks

• Symptoms: Vehicle sagging on one side, uneven ride height, air compressor working overtime.
• Solution: Replacement of leaking air springs.
• Cost: $400 - $800 per spring

Standard Leaf Spring Suspension

No widespread issues reported.

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

Electrical

Wiring Harnesses

Corrosion and Loose Connections

• Symptoms: Intermittent electrical faults, warning lights, non-functional accessories.
• Solution: Inspection, cleaning, and repair/replacement of corroded or loose connections.
• Cost: $300 - $700

Alternator

Premature Failure

• Symptoms: Battery warning light, dim headlights, difficulty starting.
• Solution: Replacement of the alternator.
• Cost: $600 - $1,200

Exterior

Body Panels and Frame

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

Cab Components and Trim

No widespread issues reported.

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

HVAC System

Blower Motor Failures

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

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Summary Verdict

The 2017 Volvo VNR 400 demonstrates good overall reliability, particularly for its intended vocational use. The most frequently cited technical issues tend to be related to the exhaust gas recirculation (EGR) system, fuel injectors, and the automated manual transmission’s clutch actuator, especially on the I-Shift. Diesel particulate filter (DPF) regeneration issues can also arise, particularly with heavy-duty cycles. Electrical system components like alternators and wiring connections require attention over time. However, many of these are manageable with proactive maintenance and timely repairs. The manual transmission options and core structural components generally exhibit robust performance. Fleet operators should prioritize regular diagnostics and address warning lights promptly to maintain optimal uptime and prevent more costly repairs.