2007 GMC Sierra 3500 Classic

2007 GMC Sierra 3500 Classic

The 2007 GMC Sierra 3500 Classic is a full-size pickup truck that comes with various engine and transmission options. The 6.0L V8 engine produces 353 horsepower and 373 lb-ft of torque, while the 6.6L Duramax diesel engine delivers 360 horsepower and 650 lb-ft of torque. Transmission options include a four-speed automatic, a six-speed automatic, or a five-speed manual.

Owners often praise the Sierra 3500 Classic for its powerful engines, rugged construction, and spacious interior. However, it also has some notable drawbacks, including a stiff ride, poor fuel economy, and limited maneuverability.

Engine

• 6.0L V8
  • Intake manifold cracking: Intake manifold gaskets fail, causing coolant leaks and overheating.
    • Solution: Replace intake manifold and gaskets.
    • Estimated Cost to Fix: $600 - $1200
    • Recalls: NHTSA Campaign Number 08V138000
• 6.6L Duramax
  • Exhaust gas recirculation (EGR) valve failure: EGR valve sticks open, causing poor engine performance and decreased fuel efficiency.
    • Solution: Replace EGR valve.
    • Estimated Cost to Fix: $300 - $500
    • Recalls: NHTSA Campaign Number 07E006000

Transmission

• Four-speed automatic (4L80E)
  • Torque converter failure: Torque converter fails, causing transmission to slip and shudder.
    • Solution: Replace torque converter and transmission fluid.
    • Estimated Cost to Fix: $1000 - $1500
    • Recalls: None Found
• Six-speed automatic (6L80E)
  • Solenoid pack failure: Solenoid pack fails, causing transmission to shift erratically or not shift at all.
    • Solution: Replace solenoid pack.
    • Estimated Cost to Fix: $800 - $1200
    • Recalls: None Found
• Five-speed manual
  • Clutch failure: Clutch wears out, causing difficulty shifting gears and transmission slippage.
    • Solution: Replace clutch.
    • Estimated Cost to Fix: $500 - $800
    • Recalls: None Found

Suspension

• Front end suspension:
  • Lower ball joint failure: Lower ball joints wear out, causing clunking noises and loose steering.
    • Solution: Replace lower ball joints.
    • Estimated Cost to Fix: $600 - $900
    • Recalls: None Found

Electrical

• Alternator failure: Alternator fails, causing battery to drain and engine to stall.
  • Solution: Replace alternator.
  • Estimated Cost to Fix: $400 - $600
  • Recalls: None Found
• Headlights:
  • Headlight switch failure: Headlight switch malfunctions, causing headlights to stay on or not turn on.
    • Solution: Replace headlight switch.
    • Estimated Cost to Fix: $150 - $250
    • Recalls: NHTSA Campaign Number 07E034000

Exterior

• Headlights:
  • Condensation buildup: Headlights accumulate condensation, impairing visibility.
    • Solution: Replace headlights with upgraded ones that prevent condensation.
    • Estimated Cost to Fix: $500 - $700
    • Recalls: NHTSA Campaign Number 07E034000
• Taillights:
  • Taillight lens cracking: Taillight lenses crack and leak water.
    • Solution: Replace taillight lenses.
    • Estimated Cost to Fix: $200 - $300
    • Recalls: None Found

Interior

• Dashboard:
  • Cracked dashboard: Dashboard develops cracks and splits.
    • Solution: Replace dashboard.
    • Estimated Cost to Fix: $500 - $1000
    • Recalls: None Found
• Seatbelts:
  • Seatbelt retractors: Seatbelt retractors fail, causing seatbelts to lock up or not retract fully.
    • Solution: Replace seatbelt retractors.
    • Estimated Cost to Fix: $250 - $400
    • Recalls: NHTSA Campaign Number 07E011000

Summary

The 2007 GMC Sierra 3500 Classic has a variety of potential issues, including engine intake manifold cracking, transmission solenoid pack failure, suspension problems, and electrical failures. While some repairs are relatively inexpensive, others can be costly. Overall, the severity and cost of the issues with this vehicle can vary depending on the specific model and the condition it is in.