1991 Chevrolet Suburban

Introduction:

The 1991 Chevrolet Suburban was available with two engine options: a 5.7L V8 and a 5.7L TBI V8. Both engines were paired with a 4-speed automatic transmission. The 5.7L V8 produced 210 horsepower and 300 lb-ft of torque, while the 5.7L TBI V8 produced 230 horsepower and 330 lb-ft of torque. The Suburban was popular for its spacious interior, rugged exterior, and powerful engine options. However, it was also known for having a number of issues.

Engine:

• 5.7L V8
  • Intake Manifold Gasket Failure
    • Description/Symptoms: Coolant leaks, engine overheating, rough idle
    • Solution: Replace intake manifold gasket
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found
  • Head Gasket Failure
    • Description/Symptoms: Coolant leaks, engine overheating, white smoke from exhaust
    • Solution: Replace head gasket
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None Found
• 5.7L TBI V8
  • Throttle Body Failure
    • Description/Symptoms: Engine stalling, rough idle, poor acceleration
    • Solution: Replace throttle body
    • Estimated Cost to Fix: $300 - $500+
    • Recalls: None Found
  • Injector Failure
    • Description/Symptoms: Engine misfire, rough idle, decreased fuel efficiency
    • Solution: Replace injector(s)
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found

Transmission:

• 4-Speed Automatic
  • Transmission Slipping
    • Description/Symptoms: Difficulty shifting gears, loss of power
    • Solution: Rebuild or replace transmission
    • Estimated Cost to Fix: $2,000 - $4,000+
    • Recalls: None Found

Suspension:

• No Issues Found

Electrical:

• Alternator Failure * Description/Symptoms: Dimming lights, electrical system malfunction * Solution: Replace alternator * Estimated Cost to Fix: $500 - $1,000+ * Recalls: None Found
• Starter Failure * Description/Symptoms: Engine will not start * Solution: Replace starter * Estimated Cost to Fix: $300 - $500+ * Recalls: None Found

Exterior:

• Rust * Description/Symptoms: Corrosion on body panels, frame * Solution: Repair or replace affected areas * Estimated Cost to Fix: Varies depending on severity * Recalls: None Found

Interior:

• Dashboard Cracking * Description/Symptoms: Cracks on dashboard surface * Solution: Replace dashboard or repair cracks * Estimated Cost to Fix: $200 - $500+ * Recalls: None Found
• Door Lock Failure * Description/Symptoms: Doors will not lock or unlock * Solution: Replace door lock actuator * Estimated Cost to Fix: $100 - $200+ * Recalls: None Found
• Window Regulator Failure * Description/Symptoms: Windows will not roll up or down * Solution: Replace window regulator * Estimated Cost to Fix: $200 - $400+ * Recalls: None Found

Summary:

The 1991 Chevrolet Suburban has a number of potential issues, including engine gasket failures, throttle body failures, transmission slipping, electrical problems, and interior issues. While the Suburban is generally a reliable vehicle, these issues can be costly to repair. The severity of the issues can vary depending on the specific problem and the condition of the vehicle.