1997 GMC B7

Introduction: The 1997 GMC B7 is a full-size van available with a variety of engine and transmission options. It has a spacious interior and ample cargo capacity, making it popular for both personal and commercial use.

Engine

• 4.3L V6
  • Intake manifold gasket failure: Leaks coolant, can lead to overheating
    • Solution: Replace intake manifold gasket
    • Estimated Cost to Fix: $500 - $1,000+
• 5.7L V8
  • Head gasket failure: Loss of coolant, overheating, white smoke from exhaust
    • Solution: Replace head gaskets
    • Estimated Cost to Fix: $1,500 - $3,000+
  • AFM lifter failure: Tappet noise, reduced engine power
    • Solution: Replace lifters
    • Estimated Cost to Fix: $1,000 - $2,000+
• 6.5L Turbo Diesel
  • Fuel injector failure: Poor fuel economy, black smoke from exhaust
    • Solution: Replace fuel injectors
    • Estimated Cost to Fix: $400 - $800+
  • Turbocharger failure: Loss of boost, reduced engine power
    • Solution: Replace turbocharger
    • Estimated Cost to Fix: $1,200 - $2,000+

Transmission

• 4L60E Automatic
  • Torque converter failure: Loss of drive, slipping
    • Solution: Replace torque converter
    • Estimated Cost to Fix: $1,000 - $1,500+
  • Transmission slipping: Difficulty shifting, delayed engagement
    • Solution: Rebuild transmission
    • Estimated Cost to Fix: $1,500 - $3,000+

Suspension

• Front coil spring failure: Sagging front end, uneven tire wear * Solution: Replace coil springs * Estimated Cost to Fix: $200 - $400+
• Rear leaf spring failure: Sagging rear end, reduced load capacity * Solution: Replace leaf springs * Estimated Cost to Fix: $300 - $600+

Electrical

• Alternator failure: Loss of electrical power, dimming headlights * Solution: Replace alternator * Estimated Cost to Fix: $300 - $500+
• Battery failure: Difficulty starting, loss of electrical power * Solution: Replace battery * Estimated Cost to Fix: $100 - $200+
• Starter failure: Difficulty starting, grinding noise * Solution: Replace starter * Estimated Cost to Fix: $200 - $400+

Exterior

• Rust on body panels: Corrosion, peeling paint * Solution: Sand and repaint affected areas * Estimated Cost to Fix: $500 - $1,500+
• Tail light failure: Dim or inoperable tail lights * Solution: Replace tail light assembly * Estimated Cost to Fix: $100 - $200+

Interior

• Dashboard cluster failure: Inoperable gauges, warning lights not working * Solution: Replace dashboard cluster * Estimated Cost to Fix: $500 - $1,000+
• Seat belt retractor failure: Seat belt not retracting properly * Solution: Replace seat belt retractor * Estimated Cost to Fix: $200 - $400+

Summary: The 1997 GMC B7 is a generally reliable vehicle, but it is not without its issues. The most common problems are related to engine and transmission components, as well as rust on the exterior. While some repairs can be relatively inexpensive, others can be costly. It is important for owners to be aware of these potential issues and to maintain their vehicles regularly to prevent major repairs.