1990 Pontiac LeMans

Introduction The 1990 Pontiac LeMans was a mid-size sedan available with two engine options: a 3.1-liter V6 and a 3.8-liter V6. The 3.1-liter V6 produced 140 horsepower and 185 lb-ft of torque, while the 3.8-liter V6 produced 180 horsepower and 240 lb-ft of torque. Transmission options included a 4-speed automatic and a 5-speed manual.

Owners generally praised the LeMans for its spacious interior, comfortable ride, and affordability. However, common complaints included poor fuel economy, lack of performance, and dated design.

Engine 3.1L V6

• Head Gasket Failure
  • Description/Symptoms: Blown head gasket, overheating, coolant leaks
  • Solution: Replace head gasket
  • Estimated Cost to Fix: $1,000 - $1,500+
  • Recalls: None Found
• Intake Manifold Gasket Leak
  • Description/Symptoms: Coolant leaks, rough idling
  • Solution: Replace intake manifold gasket
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found

3.8L V6

• No Issues Found

Transmission 4-Speed Automatic

• Shift Solenoid Failure
  • Description/Symptoms: Transmission slipping, difficulty shifting
  • Solution: Replace shift solenoid
  • Estimated Cost to Fix: $500 - $800+
  • Recalls: None Found
• Transmission Fluid Leak
  • Description/Symptoms: Leaking transmission fluid, slipping gears
  • Solution: Fix transmission fluid leak (replace seals, gaskets, etc.)
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found

5-Speed Manual

• No Issues Found

Suspension

• Strut Mount Failure
  • Description/Symptoms: Clunking noises, poor handling
  • Solution: Replace strut mounts
  • Estimated Cost to Fix: $400 - $600+
  • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: Battery not charging, electrical issues
  • Solution: Replace alternator
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: NHTSA Campaign Number 90V052000
• Starter Failure
  • Description/Symptoms: Engine won’t start, clicking noise
  • Solution: Replace starter
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: NHTSA Campaign Number 89V077000

Exterior

• Rust
  • Description/Symptoms: Corrosion, holes developing
  • Solution: Repair or replace affected panels
  • Estimated Cost to Fix: Varies depending on severity

Interior

• Power Window Failure
  • Description/Symptoms: Window won’t go up or down
  • Solution: Replace power window motor or switch
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Dashboard Cracking
  • Description/Symptoms: Cracks appearing on dashboard
  • Solution: Replace dashboard or repair (if possible)
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found

Summary The 1990 Pontiac LeMans is generally a reliable car with some common issues that can range from minor to severe. Engine and transmission issues can be costly to repair, while suspension and electrical issues are typically more affordable. Owners should be aware of the potential for these problems and budget accordingly.