1991 Buick Park Avenue

Introduction:

The 1991 Buick Park Avenue is a full-size luxury sedan offered with either a 3.8L V6 engine or a 5.0L V8 engine. The 3.8L V6 produces 170 horsepower and 220 lb-ft of torque, while the 5.0L V8 produces 185 horsepower and 260 lb-ft of torque. Both engines are paired with a 4-speed automatic transmission. The Park Avenue was praised for its spacious interior, comfortable ride, and powerful engines, but it was also criticized for its poor fuel economy and excessive blind spots.

Engine

3.8L V6

• Intake Manifold Gasket Failure:
  • Description/Symptoms: Coolant leak, overheating, rough idle
  • Solution: Replace intake manifold gasket
  • Estimated Cost to Fix: $500 - $800+
  • Recalls: None Found
• Valve Cover Gasket Leak:
  • Description/Symptoms: Oil leak from under valve covers
  • Solution: Replace valve cover gaskets
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Power Steering Pump Failure:
  • Description/Symptoms: Loss of power steering, whining noise
  • Solution: Replace power steering pump
  • Estimated Cost to Fix: $400 - $600+
  • Recalls: None Found

5.0L V8

• No Issues Found

Transmission

4-Speed Automatic

• Transmission Slippage:
  • Description/Symptoms: Difficulty shifting gears, slipping out of gear
  • Solution: Rebuild or replace transmission
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Suspension

• Strut Mount Failure:
  • Description/Symptoms: Clunking noise, vibration at low speeds
  • Solution: Replace strut mounts
  • Estimated Cost to Fix: $400 - $600+
  • Recalls: None Found
• Sway Bar Link Failure:
  • Description/Symptoms: Popping noise while turning, excessive body roll
  • Solution: Replace sway bar links
  • Estimated Cost to Fix: $200 - $300+
  • Recalls: None Found

Electrical

• Alternator Failure:
  • Description/Symptoms: Dimming lights, battery drain
  • Solution: Replace alternator
  • Estimated Cost to Fix: $500 - $700+
  • Recalls: None Found
• Starter Failure:
  • Description/Symptoms: Clicking noise, engine won’t start
  • Solution: Replace starter
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found

Exterior

• Plastic Trim Cracking:
  • Description/Symptoms: Cracks in plastic trim around windows, door handles, etc.
  • Solution: Replace plastic trim
  • Estimated Cost to Fix: $400 - $600+
  • Recalls: None Found

Interior

• Dash Panel Cracking:
  • Description/Symptoms: Cracks in the dashboard panel
  • Solution: Replace dashboard panel
  • Estimated Cost to Fix: $500 - $700+
  • Recalls: None Found
• HVAC Control Module Failure:
  • Description/Symptoms: Inoperative climate control system, flickering display
  • Solution: Replace HVAC control module
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Summary:

The 1991 Buick Park Avenue has a number of common issues that can affect its engine, transmission, suspension, electrical, and interior components. The severity of these issues can range from minor annoyances to major breakdowns. The cost of repairs can also vary significantly depending on the issue and the components involved.