2017 Chevrolet Suburban 3500 HD

The 2017 Chevrolet Suburban 3500 HD is a heavy-duty, full-size SUV known for its robust towing capacity and spacious interior. It was primarily designed for commercial use and is based on the Silverado 3500 platform. Engine options included the 6.0L Vortec V8 (360 hp and 380 lb-ft of torque) paired with a 6-speed automatic transmission. People generally like the Suburban 3500 HD for its ability to haul large loads and its comfortable ride, but some find the fuel economy and large size challenging for daily driving.

Engine

6.0L Vortec V8

• Active Fuel Management (AFM) Lifter Failure
  • Description/Symptoms: Engine misfires, rough running, check engine light illuminated. Often caused by a failing lifter that collapses and damages the camshaft.
  • Solution: Replace the failed lifters and often the camshaft as well. May require cylinder head removal for access. Disable AFM system.
  • Estimated Cost to Fix: $3,000 - $5,000+
  • Recalls: None Found
• Oil Consumption
  • Description/Symptoms: Excessive oil consumption that requires frequent top-ups, blue exhaust smoke, and potentially fouled spark plugs.
  • Solution: Monitor oil levels and address any leaks. Replace valve stem seals or piston rings.
  • Estimated Cost to Fix: $500 - $5,000+
  • Recalls: None Found

Transmission

6-Speed Automatic (6L90)

• Torque Converter Shudder
  • Description/Symptoms: A noticeable shudder or vibration during light acceleration, particularly at lower speeds.
  • Solution: Replace the torque converter.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found
• Harsh Shifting
  • Description/Symptoms: Rough or abrupt shifts between gears, especially noticeable during upshifts.
  • Solution: Replace valve body.
  • Estimated Cost to Fix: $800 - $1,500+
  • Recalls: None Found

Suspension

• Leaf Spring Sagging
  • Description/Symptoms: Rear of the vehicle sits lower than normal, reduced load-carrying capacity, and potential bottoming out when loaded.
  • Solution: Replace the leaf springs.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Shock Absorber Failure
  • Description/Symptoms: Bouncy ride, poor handling, and excessive body roll.
  • Solution: Replace the shock absorbers.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Battery drains overnight or within a short period, requiring frequent jump-starts.
  • Solution: Perform a parasitic draw test to identify the source of the drain. Could be a faulty module, accessory, or wiring issue.
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found
• Infotainment System Freezing/Malfunctioning
  • Description/Symptoms: Infotainment screen freezes, unresponsive buttons, or other system malfunctions.
  • Solution: Software update, or replacement of the infotainment module.
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found

Exterior

• Tailgate Latch Failure
  • Description/Symptoms: Tailgate does not open or close properly, requiring excessive force or not latching securely.
  • Solution: Replace the tailgate latch assembly.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Interior

• Air Conditioning Issues
  • Description/Symptoms: Weak or no cold air from the A/C system. Often traced to a refrigerant leak, compressor failure, or blend door actuator problems.
  • Solution: Diagnose and repair the A/C system. Could involve recharging refrigerant, replacing the compressor, condenser, or blend door actuator.
  • Estimated Cost to Fix: $200 - $1,500+
  • Recalls: None Found
• Seat Heater Failure
  • Description/Symptoms: Seat heaters fail to warm up or only heat intermittently.
  • Solution: Replace the seat heater element or control module.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Summary

The 2017 Chevrolet Suburban 3500 HD, while a capable vehicle, does have some common issues. Engine problems such as AFM lifter failure and excessive oil consumption can be quite costly, as can transmission issues like torque converter shudder. Suspension issues such as leaf spring sagging are common on heavy duty trucks that tend to haul a lot of weight. Electrical problems and interior comfort issues can also arise. While some fixes are relatively inexpensive, major repairs can easily exceed several thousand dollars. Prospective buyers should be aware of these potential issues and have the vehicle thoroughly inspected before purchasing.