2018 Volvo VNR 640

About the 2018 Volvo VNR 640

The 2018 Volvo VNR 640 is a Class 8 semi-truck that offers advanced features and a comfortable driving experience. It is powered by a 13-liter Volvo D13 engine that produces 500 horsepower and 1,850 lb-ft of torque. Transmission options include an I-Shift automated manual transmission (AMT), as well as Eaton Fuller manual and automated manual transmissions.

Owners appreciate the VNR 640’s fuel efficiency, quiet cabin, and ergonomic design. However, there have been some reported issues with the vehicle’s various components.

Engine

Volvo D13 500

• Cylinder head gasket failure: Premature failure of the cylinder head gasket can lead to coolant leaks, overheating, and loss of power.
  • Solution: Replacement of the cylinder head gasket is necessary.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found
• EGR cooler failure: The exhaust gas recirculation (EGR) cooler can malfunction and cause excessive exhaust gas temperatures.
  • Solution: Replacement of the EGR cooler is required.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Transmission

I-Shift AMT

• Transmission control module (TCM) failure: The TCM can develop faults that lead to transmission shifting problems, including gear hunting, harsh shifting, and loss of power.
  • Solution: Reprogramming or replacement of the TCM may be necessary.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: NHTSA Recall Numbers: 20V-282, 20V-648

Suspension

• Leaf spring breakage: The leaf springs can crack or break under heavy loads, affecting the vehicle’s ride and handling.
  • Solution: Replacement of the affected leaf springs is necessary.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Electrical

• Battery terminal corrosion: The battery terminals can become corroded and cause electrical system problems, including difficulty starting the engine.
  • Solution: Cleaning and tightening the battery terminals is typically sufficient.
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found
• Alternator failure: The alternator can fail and prevent the battery from recharging, leading to electrical system issues and potential engine stalling.
  • Solution: Replacement of the alternator is necessary.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Interior

• HVAC system failure: The HVAC system may malfunction and fail to provide heating or cooling, affecting driver comfort.
  • Solution: Diagnosis and repair of the HVAC system is required.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Exterior

• Hood latch failure: The hood latch can become misaligned or damaged, potentially allowing the hood to open unexpectedly.
  • Solution: Replacement or adjustment of the hood latch is necessary.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Summary

The 2018 Volvo VNR 640 has received positive feedback for its fuel efficiency and driver comfort. However, there have been some reported issues, particularly with the engine and transmission. The severity and cost of these issues vary, but some can be relatively expensive to repair. Overall, it is important for potential buyers to be aware of these potential problems and consider their impact on the vehicle’s reliability and maintenance costs.