1990 GMC K2500

Introduction

The 1990 GMC K2500 is a heavy-duty pickup truck known for its durability and towing capabilities. It was available with three engine options: a 5.0L V8, a 5.7L V8, and a 6.2L diesel V8, paired with a 4-speed automatic transmission. Owners generally praise the K2500’s power, ruggedness, and spacious cabin but criticize its fuel efficiency and slow handling.

Engine

• 5.0L V8
  • Intake Manifold Gasket Failure
    • Description/Symptoms: Coolant and oil leaking from the intake manifold, engine overheating, reduced power.
    • Solution: Replace the intake manifold gasket.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found
• 5.7L V8
  • Knock Sensor Failure
    • Description/Symptoms: Engine knocking, reduced power, check engine light.
    • Solution: Replace the knock sensor.
    • Estimated Cost to Fix: $200 - $500+
    • Recalls: None Found
  • Fuel Pump Failure
    • Description/Symptoms: Engine stalling, difficulty starting, reduced fuel pressure.
    • Solution: Replace the fuel pump.
    • Estimated Cost to Fix: $400 - $1,000+
  • Catalytic Converter Failure
    • Description/Symptoms: Rotten egg smell, poor engine performance, check engine light.
    • Solution: Replace the catalytic converter.
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: 15V385000
• 6.2L Diesel V8
  • Injector Seal Failure
    • Description/Symptoms: Fuel leaking from the injectors, reduced power, rough idle.
    • Solution: Replace the injector seals.
    • Estimated Cost to Fix: $400 - $1,000+
    • Recalls: 03V339000

Transmission

• 4-Speed Automatic
  • Transmission Slipping
    • Description/Symptoms: Difficulty shifting gears, loss of power, shuddering.
    • Solution: Rebuild or replace the transmission.
    • Estimated Cost to Fix: $2,500 - $5,000+
    • Recalls: None Found

Suspension

• Leaf Spring Shackle Bolt Failure
  • Description/Symptoms: Clunking or rattling noise from the rear suspension, excessive movement of the leaf springs.
  • Solution: Replace the shackle bolts or add a shackle pin kit.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Ball Joint Failure
  • Description/Symptoms: Clunking noise when turning, wandering steering, uneven tire wear.
  • Solution: Replace the ball joints.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: Dimming lights, difficulty starting, electrical system not functioning properly.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• Starter Failure
  • Description/Symptoms: No crank when starting the engine, grinding noise when starting.
  • Solution: Replace the starter.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Exterior

• Rust and Corrosion
  • Description/Symptoms: Rust or corrosion on the body panels, frame, or exhaust system.
  • Solution: Repair or replace the affected parts.
  • Estimated Cost to Fix: Varies depending on the extent of the damage
  • Recalls: None Found

Interior

• HVAC Fan Failure
  • Description/Symptoms: No air flow from the vents, blower motor not working.
  • Solution: Replace the blower motor or HVAC fan relay.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Door Lock Actuator Failure
  • Description/Symptoms: Doors not locking or unlocking properly, buzzing noise from the door lock.
  • Solution: Replace the door lock actuator.
  • Estimated Cost to Fix: $150 - $400+
  • Recalls: None Found

Summary

The 1990 GMC K2500 is generally a reliable and capable truck but is susceptible to a range of potential issues. Engine problems can be costly to fix, although most other issues have a relatively low to moderate repair cost. Regular maintenance and addressing issues promptly can help extend the K2500’s lifespan and minimize repair expenses.