1991 Chevrolet G20

Introduction

The 1991 Chevrolet G20 is a full-size van offered with multiple engine and transmission options. It boasts a powerful Vortec V8 engine and a spacious interior, making it popular for both commercial and personal use. However, like many vehicles, it is not immune to certain issues.

Engine

• Vortec 5.7L V8
  • Intake Manifold Gasket Failure
    • Description/Symptoms: Coolant or oil leaking from the intake manifold area, engine overheating
    • Solution: Replace the intake manifold gaskets
    • Estimated Cost to Fix: $500 - $800+
    • Recalls: None Found
• Vortec 7.4L V8
  • No Significant Issues Found

Transmission

• 4L60E Automatic
  • Transmission Slipping
    • Description/Symptoms: Difficulty shifting gears, delayed engagement
    • Solution: Rebuild or replace the transmission
    • Estimated Cost to Fix: $1,500 - $3,000+
    • Recalls: None Found
• THM 400 Automatic
  • No Significant Issues Found

Suspension

• Front Suspension
  • Worn Ball Joints
    • Description/Symptoms: Clunking or rattling noises when turning or going over bumps
    • Solution: Replace the ball joints
    • Estimated Cost to Fix: $250 - $400+
    • Recalls: None Found
• Rear Suspension
  • Worn Leaf Springs
    • Description/Symptoms: Sagging rear end, poor handling
    • Solution: Replace the leaf springs
    • Estimated Cost to Fix: $400 - $600+
    • Recalls: None Found

Electrical

• Battery
  • Premature Failure
    • Description/Symptoms: Battery dies prematurely
    • Solution: Replace the battery
    • Estimated Cost to Fix: $100 - $200+
    • Recalls: None Found
• Alternator
  • Overcharging
    • Description/Symptoms: Electrical components failing, battery boiling over
    • Solution: Replace the alternator
    • Estimated Cost to Fix: $300 - $500+
    • Recalls: None Found

Exterior

• Rust
  • Description/Symptoms: Rust developing on body panels, especially around wheel wells and lower edges
  • Solution: Rust repair or prevention measures
  • Estimated Cost to Fix: Varies depending on the extent of rust
    • Recalls: None Found

Interior

• Dashboard Cracks
  • Description/Symptoms: Cracks developing on the dashboard
  • Solution: Replacement or repair of the dashboard
  • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found

Summary

Overall, the 1991 Chevrolet G20 is a reliable vehicle with a sturdy construction. However, like all vehicles, it is prone to certain issues. The most significant problems lie in the engine (intake manifold gasket failure) and transmission (slipping), which can be costly to repair. The electrical system and suspension components can also experience issues, but they are generally less severe.