1991 GMC K2500

1991 GMC K2500

The 1991 GMC K2500 is a full-size pickup truck that was available with a variety of engine and transmission options. The standard engine was a 5.7-liter V8 that produced 210 horsepower and 300 lb-ft of torque. A 7.4-liter V8 was also available, which produced 230 horsepower and 380 lb-ft of torque. Both engines were available with a four-speed automatic transmission or a five-speed manual transmission.

The K2500 was a popular truck for its time, but it was not without its problems. Some of the most common issues that people have with the 1991 GMC K2500 include:

Engine

• 5.7-liter V8
  • Intake manifold gasket failure
    • Description/Symptoms: Coolant or oil leaking from the intake manifold, reduced engine performance
    • Solution: Replace the intake manifold gasket
    • Estimated Cost to Fix: $200 - $500
    • Recalls: None Found
  • Head gasket failure
    • Description/Symptoms: Coolant or oil leaking from the head gasket, overheating, reduced engine performance
    • Solution: Replace the head gasket
    • Estimated Cost to Fix: $800 - $1,500
    • Recalls: None Found
• 7.4-liter V8
  • Lifter failure
    • Description/Symptoms: Tapping or ticking noise from the engine, reduced engine power
    • Solution: Replace the lifters
    • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found
  • Oil pump failure
    • Description/Symptoms: Low oil pressure, engine damage
    • Solution: Replace the oil pump
    • Estimated Cost to Fix: $300 - $600
    • Recalls: None Found

Transmission

• 4-speed automatic transmission
  • Transmission slipping
    • Description/Symptoms: Transmission slipping out of gear, delayed shifting, rough shifting
    • Solution: Overhaul or replace the transmission
    • Estimated Cost to Fix: $1,500 - $3,000
    • Recalls: None Found
  • Torque converter failure
    • Description/Symptoms: Loss of power, overheating, transmission shuddering
    • Solution: Replace the torque converter
    • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found
• 5-speed manual transmission
  • Clutch failure
    • Description/Symptoms: Clutch slipping, difficulty shifting gears
    • Solution: Replace the clutch
    • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found
  • Transmission grinding
    • Description/Symptoms: Grinding noise when shifting gears
    • Solution: Replace the synchros
    • Estimated Cost to Fix: $300 - $600
    • Recalls: None Found

Suspension

• Front suspension
  • Ball joint failure
    • Description/Symptoms: Clunking or popping noise from the front suspension, loose steering
    • Solution: Replace the ball joints
    • Estimated Cost to Fix: $200 - $400
    • Recalls: None Found
  • Strut failure
    • Description/Symptoms: Leaking fluid, reduced ride quality, noise from the suspension
    • Solution: Replace the struts
    • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found
• Rear suspension
  • Leaf spring failure
    • Description/Symptoms: Sagging rear end, reduced ride quality, noise from the suspension
    • Solution: Replace the leaf springs
    • Estimated Cost to Fix: $300 - $600
    • Recalls: None Found
  • Shock absorber failure
    • Description/Symptoms: Reduced ride quality, noise from the suspension, leaking fluid
    • Solution: Replace the shock absorbers
    • Estimated Cost to Fix: $200 - $400
    • Recalls: None Found

Electrical

• Alternator failure
  • Description/Symptoms: Dimming lights, reduced battery power, battery warning light illuminated
  • Solution: Replace the alternator
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found
• Starter failure
  • Description/Symptoms: Engine will not start, clicking noise from the starter
  • Solution: Replace the starter
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found
• Battery failure
  • Description/Symptoms: Engine will not start, dimming lights
  • Solution: Replace the battery
  • Estimated Cost to Fix: $100 - $200
  • Recalls: None Found

Exterior

• Door handle failure
  • Description/Symptoms: Door handle breaks or becomes loose, making it difficult to open the door
  • Solution: Replace the door handle
  • Estimated Cost to Fix: $100 - $200
  • Recalls: None Found
• Tailgate lock failure
  • Description/Symptoms: Tailgate lock breaks or becomes jammed, making it difficult to open or close the tailgate
  • Solution: Replace the tailgate lock
  • Estimated Cost to Fix: $100 - $200
  • Recalls: None Found

Interior

• Seat belt failure
  • Description/Symptoms: Seat belt does not retract or lock properly
  • Solution: Replace the seat belt
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found
• Dashboard cluster failure
  • Description/Symptoms: Gauges do not work properly or lights do not illuminate
  • Solution: Replace the dashboard cluster
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Summary

Overall, the 1991 GMC K2500 is a reliable pickup truck, but it is not without its problems. Some of the most common issues that people have with the K2500 include engine and transmission problems. However, many of these issues are relatively minor and can be fixed for a reasonable price.