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2018 Volvo VNR 640

2018 Volvo VNR 640

Overview

The 2018 Volvo VNR 640 is a Class 8 vocational truck designed for demanding applications, emphasizing driver comfort and productivity. Volvo’s commitment to robust engineering is evident in its construction, aiming for high uptime and reliability in challenging operational environments. This model typically features advanced safety systems and a driver-centric cabin, contributing to its appeal in the long-haul and regional haul sectors. 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 640’s durability and fuel efficiency as key advantages.


Engine

Volvo D11 (10.8L Diesel)

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Volvo D13 (12.8L Diesel)

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Volvo D16 (16.1L Diesel)

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Transmission

Volvo I-Shift (Automated Manual)

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Eaton Fuller (Manual)

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Suspension

Volvo Air Suspension

Air Leakage

  • Symptoms: Vehicle sagging on one side, uneven ride height, audible hissing sounds.
  • Solution: Inspection and replacement of faulty air springs, lines, or valves.
  • Cost: $300 - $800

Spring Suspension

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Electrical

Wiring Harness

Corrosion/Damage

  • Symptoms: Intermittent electrical faults, warning lights, non-functional accessories.
  • Solution: Inspection, cleaning, and repair or replacement of damaged sections of the wiring harness.
  • Cost: $250 - $700

Control Modules (ECM, TCM)

Software Glitches

  • Symptoms: Erratic engine performance, transmission shifting issues, diagnostic trouble codes.
  • Solution: Software updates or module reprogramming. In rare cases, module replacement.
  • Cost: $500 - $1500

Exterior

Body Panels

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Lighting Systems

LED Bulb Failure

  • Symptoms: Headlights, taillights, or marker lights not illuminating.
  • Solution: Replacement of faulty LED bulbs or associated wiring.
  • Cost: $50 - $200

Interior

Cab Components

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

HVAC System

Blower Motor Failure

  • Symptoms: No airflow from vents, inconsistent fan speed.
  • Solution: Replacement of the blower motor or resistor.
  • Cost: $200 - $500

Summary Verdict

The 2018 Volvo VNR 640 demonstrates strong overall reliability, consistent with Volvo’s reputation in the heavy-duty truck market. While minor issues like air suspension leaks or electrical wiring concerns can arise, they are not indicative of systemic flaws and are generally manageable with routine maintenance and timely repairs. The powertrain options, including the Volvo D11, D13, and D16 engines paired with the I-Shift or Eaton Fuller transmissions, are robust and have a proven track record. The truck’s design prioritizes durability, making it a dependable choice for commercial operations. Fleet managers can expect good uptime, with most potential issues being addressable through standard service procedures.

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