1990 Pontiac Grand Prix

Introduction:

The 1990 Pontiac Grand Prix is a mid-size coupe or sedan available with a choice of two engine options: a 3.1-liter V6 or a 3.8-liter V6. The 3.1-liter V6 produces 140 horsepower and 185 lb-ft of torque, while the 3.8-liter V6 produces 170 horsepower and 220 lb-ft of torque. Both engines are paired with a 4-speed automatic transmission.

The Grand Prix received praise for its comfortable ride, spacious interior, and powerful engines. However, it was also criticized for its lack of handling and braking performance.

Engine

• 3.1-liter V6
  • Intake Manifold Gasket Failure
    • Description/Symptoms: Coolant leak, overheating, engine misfires
    • Solution: Replace the intake manifold gasket
    • Estimated Cost to Fix: $150 - $300
    • Recalls: None Found
• 3.8-liter V6
  • Head Gasket Failure
    • Description/Symptoms: Coolant leak, overheating, engine misfires
    • Solution: Replace the head gasket
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Transmission

• 4-speed Automatic Transmission
  • Slipping Gears
    • Description/Symptoms: Inability to engage gears, hesitation or slipping when shifting
    • Solution: Overhaul or replace the transmission
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Alternator Failure
  • Description/Symptoms: Dimming lights, battery not charging
  • Solution: Replace the alternator
  • Estimated Cost to Fix: $200 - $400
    • Recalls: None Found
• Starter Failure
  • Description/Symptoms: Engine won’t crank, clicking sound when starting
  • Solution: Replace the starter
  • Estimated Cost to Fix: $100 - $200
    • Recalls: None Found

Exterior

• Door Handle Breakage
  • Description/Symptoms: Door handle breaks off when pulled
  • Solution: Replace the door handle
  • Estimated Cost to Fix: $100 - $200
    • Recalls: None Found
• Trunk Lid Rust
  • Description/Symptoms: Rust forms around the edges of the trunk lid
  • Solution: Remove the rust and apply anti-rust coating
  • Estimated Cost to Fix: $100 - $300
    • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Cracks form on the dashboard
  • Solution: Replace the dashboard
  • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found
• Window Switch Failure
  • Description/Symptoms: Window switch doesn’t work, window won’t move
  • Solution: Replace the window switch
  • Estimated Cost to Fix: $50 - $150
    • Recalls: None Found
• Seat Belt Buckle Failure
  • Description/Symptoms: Seat belt buckle doesn’t engage, seat belt doesn’t lock
  • Solution: Replace the seat belt buckle
  • Estimated Cost to Fix: $100 - $200
    • Recalls: None Found

Summary:

The 1990 Pontiac Grand Prix has a number of potential issues, ranging from minor inconveniences to major repairs. The most severe and costly issues include head gasket failure and transmission failure. However, many of the other issues are relatively inexpensive to fix. Overall, the Grand Prix is a decent choice for those looking for a comfortable and powerful mid-size car, but it’s important to be aware of the potential problems that may arise.