1991 GMC P3500

Introduction:

The 1991 GMC P3500 is a heavy-duty pickup truck powered by a 7.4L V8 engine and paired with a 4-speed automatic transmission. It boasts 230 horsepower and 385 lb-ft of torque, offering a sturdy and capable workhorse. The vehicle is lauded for its towing and payload capacities, but its comfort and refinement fall short.

Engine

• 7.4L V8

  • Intake Manifold Gasket Failure
    • Description/Symptoms: Coolant leaks, engine overheating, reduced performance
    • Solution: Replace intake manifold gasket
    • Estimated Cost to Fix: $300 - $500+
    • Recalls: None Found
  • Head Gasket Failure
    • Description/Symptoms: Coolant leaks, white smoke from exhaust, overheating
    • Solution: Replace head gasket
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found

Transmission

• 4-speed Automatic

  • Overdrive Solenoid Failure
    • Description/Symptoms: Transmission slipping or refusing to shift into overdrive
    • Solution: Replace overdrive solenoid
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found
  • Torque Converter Lockup Clutch Failure
    • Description/Symptoms: Shuddering or vibrations during gear shifts
    • Solution: Replace torque converter
    • Estimated Cost to Fix: $700 - $1,000+
    • Recalls: None Found

Suspension

• Leaf Springs
  • Sagging or Broken Springs
    • Description/Symptoms: Rear-end sags, poor handling, reduced towing capacity
    • Solution: Replace leaf springs
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Electrical

• Battery
  • Failure
    • Description/Symptoms: Difficulty starting, dim headlights, electrical components not functioning
    • Solution: Replace battery
    • Estimated Cost to Fix: $100 - $200+
    • Recalls: None Found
• Alternator
  • Failure
    • Description/Symptoms: Dim headlights, electrical components not functioning, charging system warning light
    • Solution: Replace alternator
    • Estimated Cost to Fix: $300 - $500+
    • Recalls: None Found

Exterior

• Body Rust
  • Description/Symptoms: Rust spots on body panels, primarily on rear fenders and wheel arches
  • Solution: Rust repair or replacement of affected panels
  • Estimated Cost to Fix: $500 - $2,000+
    • Recalls: None Found
• Tailgate Hinge Failure
  • Description/Symptoms: Tailgate sagging or not staying open
  • Solution: Replace tailgate hinges
  • Estimated Cost to Fix: $200 - $300+
    • Recalls: None Found

Interior

• HVAC Blower Motor Failure
  • Description/Symptoms: No air flow from vents, lack of heating or cooling
  • Solution: Replace blower motor
  • Estimated Cost to Fix: $200 - $300+
  • Recalls: None Found
• Cruise Control Failure
  • Description/Symptoms: Cruise control not functioning, buttons not responding
  • Solution: Inspect and replace faulty components
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Summary:

Overall, the 1991 GMC P3500 is a heavy-duty workhorse with its strengths lying in its towing and payload capacities. However, it suffers from a number of common issues, including engine gasket failures, transmission problems, suspension sag, electrical failures, and body rust. The severity of these issues can vary depending on factors such as maintenance history and driving conditions. Repair costs can range from minor to major, with some issues requiring extensive labor and parts replacement.