2007 GMC Sierra 1500

The 2007 GMC Sierra 1500 is a full-size pickup truck known for its reliability, towing capability, and comfortable ride for its class. Available engine options include a 4.3L V6, a 4.8L V8, a 5.3L V8, and a 6.0L V8. The 5.3L V8, one of the most popular choices, produces around 315 horsepower and 338 lb-ft of torque. Transmission options include a 4-speed automatic and a 6-speed automatic depending on the engine and trim level. Owners often praise the Sierra for its strong performance and practicality. Common complaints include issues with rust, particularly in areas with harsh winters, and certain electrical problems.

Engine

4.3L V6

• No Issues Found

4.8L V8

• No Issues Found

5.3L V8

• Active Fuel Management (AFM) System Issues
  • Description/Symptoms: Excessive oil consumption, rough idle, engine misfires, and decreased fuel economy. This is often related to the AFM system which deactivates cylinders to improve fuel economy. Carbon buildup on the rings can cause them to stick, leading to oil being drawn into the combustion chamber.
  • Solution: Disabling the AFM system, installing an AFM disabler device, or replacing the lifters and/or rings.
  • Estimated Cost to Fix: $500 - $3000+ depending on the extent of the damage and repair method.
  • Recalls: None Found
• Oil Pressure Sensor Failure
  • Description/Symptoms: Erroneous or no oil pressure readings on the gauge. Often caused by a faulty sensor or the screen filter under the sensor becoming clogged.
  • Solution: Replacing the oil pressure sensor and/or cleaning the screen filter.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found

6.0L V8

• No Issues Found

Transmission

4-Speed Automatic (4L60E)

• Transmission Slipping/Hard Shifting
  • Description/Symptoms: Transmission slipping between gears, hard or delayed shifting, or complete loss of gear engagement. Often caused by worn clutch packs, valve body issues, or low fluid levels.
  • Solution: Transmission flush and filter change, valve body repair or replacement, or complete transmission rebuild or replacement.
  • Estimated Cost to Fix: $200 (flush) to $3000+ (rebuild/replacement)
  • Recalls: None Found

6-Speed Automatic (Specific to certain 6.0L V8 models)

• No Issues Found

Suspension

• Worn Ball Joints and Tie Rod Ends
  • Description/Symptoms: Loose steering, excessive play in the steering wheel, uneven tire wear, and clunking noises from the front end, especially when going over bumps.
  • Solution: Replacing the worn ball joints and tie rod ends. It is typically recommended to replace them in pairs.
  • Estimated Cost to Fix: $200 - $600+ per side depending on the shop and parts used.
  • Recalls: None Found
• Leaf Spring Sag/Breakage
  • Description/Symptoms: Rear end sagging, especially when carrying a load, and potential cracking or breaking of the leaf springs.
  • Solution: Replacing the leaf springs.
  • Estimated Cost to Fix: $300 - $1000+ per side depending on the quality of the replacement springs.
  • Recalls: None Found

Electrical

• Instrument Cluster Issues
  • Description/Symptoms: Intermittent or complete failure of gauges in the instrument cluster, including the speedometer, tachometer, fuel gauge, etc.
  • Solution: Repairing or replacing the instrument cluster.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found
• Door Lock Actuator Failure
  • Description/Symptoms: Power door locks failing to lock or unlock, often intermittently.
  • Solution: Replacing the faulty door lock actuator.
  • Estimated Cost to Fix: $150 - $400+ per door
  • Recalls: None Found

Exterior

• Rust on Rocker Panels and Cab Corners
  • Description/Symptoms: Rust forming on the rocker panels, cab corners, and wheel wells, particularly in areas that use road salt.
  • Solution: Cutting out the rusted sections and welding in new metal or using rust repair panels.
  • Estimated Cost to Fix: $500 - $2000+ depending on the severity and extent of the rust.
  • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Cracks appearing on the dashboard, particularly in areas exposed to sunlight and heat.
  • Solution: Replacing the dashboard or using a dashboard cover.
  • Estimated Cost to Fix: $200 (cover) - $1000+ (replacement)
  • Recalls: None Found

Summary: The 2007 GMC Sierra 1500, while generally reliable, does have some common issues that potential buyers should be aware of. The most significant issues involve the 5.3L V8 engine’s Active Fuel Management system, which can lead to excessive oil consumption. Rust is also a common problem, particularly in areas with harsh winters. Electrical issues, such as instrument cluster failures, are also prevalent. The cost of repairs can vary widely depending on the issue, but addressing these problems proactively can help prevent more serious and costly repairs down the road.