2002 GMC B7

Introduction:

The 2002 GMC B7 is a medium-duty commercial vehicle available with a variety of engine and transmission options. Its 6.0L V8 engine produces 300 horsepower and 360 lb-ft of torque. The B7 is praised for its reliability, durability, and impressive towing capacity. However, it has also been known to experience some common issues.

Engine

• 6.0L V8
  • Intake Manifold Gasket Failure
    • Description/Symptoms: Coolant or oil leaks, rough idling, decreased engine performance
    • Solution: Replacement of intake manifold gasket
    • Estimated Cost to Fix: $500 - $800+
    • Recalls: None Found
  • Cylinder Head Gasket Failure
    • Description/Symptoms: Coolant leaks, overheating, white smoke from exhaust
    • Solution: Replacement of cylinder head gasket
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found
  • Fuel Injector Failure
    • Description/Symptoms: Engine misfiring, decreased fuel efficiency, rough idling
    • Solution: Replacement of fuel injector
    • Estimated Cost to Fix: $200 - $400 per injector
    • Recalls: None Found

Transmission

• 4-Speed Automatic
  • Slipping Gears
    • Description/Symptoms: Difficulty shifting, hesitation when accelerating
    • Solution: Transmission fluid flush, repair or replacement of transmission
    • Estimated Cost to Fix: $300 - $2,000+
    • Recalls: None Found
• 6-Speed Manual
  • Clutch Failure
    • Description/Symptoms: Difficulty engaging gears, shuddering when starting
    • Solution: Replacement of clutch kit
    • Estimated Cost to Fix: $500 - $1,200+
    • Recalls: None Found

Suspension

• Front Axle
  • Ball Joint Wear
    • Description/Symptoms: Clunking or popping noises when turning or braking, excessive play in steering
    • Solution: Replacement of ball joints
    • Estimated Cost to Fix: $600 - $1,000+
    • Recalls: None Found
• Rear Axle
  • Leaf Spring Failure
    • Description/Symptoms: Sagging rear end, uneven tire wear, difficulty hauling loads
    • Solution: Replacement of leaf springs
    • Estimated Cost to Fix: $800 - $1,200+
    • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: Dimming headlights, weak battery, warning lights
    • Solution: Replacement of alternator
    • Estimated Cost to Fix: $500 - $900+
    • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Difficulty starting, battery dies prematurely
    • Solution: Inspection and repair of parasitic drain
    • Estimated Cost to Fix: $100 - $600+
    • Recalls: None Found

Exterior

• Rust on Body Panels
  • Description/Symptoms: Red or brown discoloration on metal surfaces
    • Solution: Rust removal, repainting or replacement of affected panels
    • Estimated Cost to Fix: Varies depending on severity and location
    • Recalls: None Found

Interior

• Dashboard Cracks
  • Description/Symptoms: Discoloration and shrinkage, large or small cracks
    • Solution: Replacement or repair of dashboard
    • Estimated Cost to Fix: $300 - $1,000+
    • Recalls: None Found
• HVAC System Malfunction
  • Description/Symptoms: Weak or no airflow, temperature control issues
    • Solution: Inspection and repair of HVAC components (compressor, blower motor, etc.)
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: None Found

Summary:

The 2002 GMC B7 is a reliable and capable commercial vehicle, but it has been known to experience some issues, particularly with its engine, suspension, and electrical systems. The severity and cost of these issues can vary depending on the specific problem and the extent of the damage.