2022 Chevrolet Silverado 5500 HD

The 2022 Chevrolet Silverado 5500 HD is a robust and capable chassis cab truck designed for heavy-duty commercial applications. While specific, widespread issues for this model year are less documented compared to consumer vehicles, common themes emerge based on available data. Engine options include the 6.6L Duramax diesel V8 (401 hp and 464 lb-ft of torque) and the 6.6L L8T gasoline V8 (401 hp and 464 lb-ft of torque). The 6.6L Duramax is a popular choice for its reliability and power, while the 6.6L L8T is a cost effective option. Dislikes often revolve around the utilitarian interior and ride quality, but the truck is praised for its workhorse capabilities and customizable configurations. Both engines are paired to a 6-speed Allison transmission.

Engine

6.6L Duramax Diesel V8 (L5P)

• Fuel Injector Issues
  • Description/Symptoms: Malfunctioning fuel injectors can cause rough idling, decreased fuel economy, lack of power, excessive black smoke, and potential engine misfires.
  • Solution: Diagnosis and replacement of faulty fuel injectors. Some owners report that using a quality fuel additive can help prevent issues.
  • Estimated Cost to Fix: $400 - $800+ per injector depending on location and labor rates.
  • Recalls: None Found
• Glow Plug Failure
  • Description/Symptoms: Difficult cold starts, especially in colder climates. May trigger a check engine light.
  • Solution: Replacement of faulty glow plugs.
  • Estimated Cost to Fix: $200 - $500, depending on how many need replacing and labor rates.
  • Recalls: None Found

6.6L L8T Gasoline V8

• Active Fuel Management (AFM) / Dynamic Fuel Management (DFM) Issues
  • Description/Symptoms: Although less common on commercial trucks, reports of AFM/DFM system failures leading to rough idling, hesitation, and potential engine damage have surfaced.
  • Solution: Some owners choose to disable the AFM/DFM system using aftermarket devices or tuning. Others opt for complete AFM/DFM delete kits that replace the components entirely.
  • Estimated Cost to Fix: $500 - $2,000+ depending on the chosen solution.
  • Recalls: None Found

Transmission

Allison 6-Speed Automatic

• Torque Converter Issues
  • Description/Symptoms: Shuddering during gear changes, especially under load. May also cause transmission slippage.
  • Solution: Replacement of the torque converter.
  • Estimated Cost to Fix: $1,500 - $3,500
  • Recalls: None Found
• Valve Body Issues
  • Description/Symptoms: Harsh or erratic shifting, delayed engagement, or failure to shift.
  • Solution: Replacement or rebuild of the valve body.
  • Estimated Cost to Fix: $800 - $2,500.
  • Recalls: None Found

Suspension

• Leaf Spring Sagging/Cracking
  • Description/Symptoms: Rear end sag, particularly when loaded. Visible cracks in the leaf springs.
  • Solution: Replacement of leaf springs. Upgrading to heavier-duty springs is a common solution.
  • Estimated Cost to Fix: $500 - $1,500+ per spring, depending on aftermarket options.
  • Recalls: None Found

Electrical

• Sensor Failures (Various)
  • Description/Symptoms: Intermittent warning lights on the dashboard. Codes may indicate issues with various sensors (e.g., wheel speed sensors, mass airflow sensor).
  • Solution: Diagnosis with a scan tool to identify the faulty sensor and replace it.
  • Estimated Cost to Fix: $100 - $500+ per sensor, depending on the sensor type and location.
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: Battery draining overnight or after short periods of inactivity.
  • Solution: Diagnosis to identify parasitic draw. Could be related to aftermarket accessories or a faulty module.
  • Estimated Cost to Fix: $100 - $500+ depending on the source of the drain.
  • Recalls: None Found

Exterior

• Wheel Well Rust (Especially in Salt Belt States)
  • Description/Symptoms: Rust forming on the inside of the wheel wells, particularly in areas exposed to road salt.
  • Solution: Rust repair, followed by rustproofing or undercoating.
  • Estimated Cost to Fix: $300 - $1,000+ per wheel well, depending on the severity of the rust.
  • Recalls: None Found

Interior

• HVAC Blower Motor Failure
  • Description/Symptoms: Blower motor stops working, resulting in no airflow from the vents.
  • Solution: Replacement of the blower motor.
  • Estimated Cost to Fix: $150 - $400.
  • Recalls: None Found

Summary

The 2022 Chevrolet Silverado 5500 HD is a capable and durable work truck, but like any vehicle, it has potential issues. While catastrophic failures are rare, issues with the fuel system, transmission, and electrical components can occur. Many of these issues can be mitigated with proper maintenance and preventative measures, such as using quality fuel additives. The severity of the issues range from minor inconveniences to potentially costly repairs. Cost can vary widely depending on location and independent vs dealership service.