2017 GMC Sierra 3500 HD

The 2017 GMC Sierra 3500 HD is a heavy-duty pickup truck known for its powerful engines and robust capabilities. It is offered with several engine and transmission options:

• 6.0L V8 gasoline engine producing 360 horsepower and 380 lb-ft of torque
• 6.6L V8 Duramax diesel engine producing 445 horsepower and 910 lb-ft of torque
• 6-speed automatic transmission (6L90E)
• 10-speed automatic transmission (Allison 1000)

People appreciate the Sierra 3500 HD for its towing and hauling capabilities, comfortable interior, and advanced technology features. However, like any vehicle, it has its share of issues.

Engine

6.0L V8 Gasoline Engine

• Intake Manifold Failure: Cracks develop in the intake manifold, leading to coolant leaks and engine overheating.
• Description/Symptoms: Visible coolant leaks, overheating, loss of power.
• Solution: Replace the intake manifold.
• Estimated Cost to Fix: $1,000 - $1,500+
• Recalls: N/A

6.6L V8 Duramax Diesel Engine

• Diesel Particulate Filter (DPF) Clogging: The DPF becomes clogged due to excessive soot accumulation, resulting in reduced engine performance and increased fuel consumption.
• Description/Symptoms: Reduced power, higher fuel consumption, possible limp mode.
• Solution: Clean or replace the DPF.
• Estimated Cost to Fix: $500 - $1,200+
• Recalls: N/A

Transmission

6-Speed Automatic Transmission (6L90E)

• Torque Converter Shudder: Vibrations are felt during acceleration or while towing.
• Description/Symptoms: Shuddering sensation while driving.
• Solution: Replace the torque converter.
• Estimated Cost to Fix: $1,500 - $2,000+
• Recalls: NHTSA Campaign Number: 21V455000

10-Speed Automatic Transmission (Allison 1000)

• No Major Issues Found

Suspension

• Leaf Spring Failure: The leaf springs can break or crack, affecting suspension stability and ride quality.
• Description/Symptoms: Sagging suspension, clunking noises, handling problems.
• Solution: Replace the leaf springs.
• Estimated Cost to Fix: $500 - $1,000+
• Recalls: N/A

Electrical

• Alternator Failure: The alternator fails to charge the battery, leading to electrical system issues and eventual vehicle breakdown.
• Description/Symptoms: Dimming lights, battery warning light, electrical failures.
• Solution: Replace the alternator.
• Estimated Cost to Fix: $500 - $1,200+
• Recalls: N/A

Exterior

• Door Handle Failure: The door handles become loose or break, making it difficult to open the doors.
• Description/Symptoms: Loose or broken handles, difficulty opening doors.
• Solution: Replace the door handles.
• Estimated Cost to Fix: $200 - $600+
• Recalls: N/A

Interior

• Infotainment System Malfunctions: The infotainment system experiences issues with software, connectivity, or display functionality.
• Description/Symptoms: Touchscreen unresponsive, audio glitches, navigation problems.
• Solution: Update or replace the infotainment module.
• Estimated Cost to Fix: $500 - $2,000+
• Recalls: N/A

Summary

While the 2017 GMC Sierra 3500 HD is a capable and reliable pickup truck, it is not without its issues. The engine, transmission, suspension, electrical, exterior, and interior components have all been reported to experience problems. The severity and cost of these issues vary, but some can be significant and require professional repairs. It’s important for owners to be aware of these potential issues and address them promptly to maintain the vehicle’s performance and safety.