1999 GMC Yukon

1999 GMC Yukon

The 1999 GMC Yukon is a full-size SUV that offers a powerful engine and spacious interior. It is available with either rear-wheel drive or four-wheel drive and comes with a variety of engine and transmission options.

Popular engine options include the 5.7L V8 and the 6.5L V8 diesel. Transmission options include a 4-speed automatic and a 5-speed manual.

Engine

5.7L V8

• Intake Manifold Gasket Failure
  • Description/Symptoms: Intake manifold gaskets deteriorate and cause a vacuum leak or coolant leak. This can lead to engine misfires, rough idle, and loss of power.
  • Solution: Replace the intake manifold gaskets.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• Knock Sensor Failure
  • Description/Symptoms: The knock sensor detects engine knock and adjusts the ignition timing accordingly. A faulty knock sensor can cause the engine to run poorly and can lead to engine damage.
  • Solution: Replace the knock sensor.
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found

6.5L V8 Diesel

• Injection Pump Failure
  • Description/Symptoms: The injection pump is responsible for delivering fuel to the engine. A faulty injection pump can cause the engine to run poorly or stall.
  • Solution: Replace the injection pump.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: The turbocharger provides additional power to the engine. A faulty turbocharger can cause the engine to lose power or produce excessive smoke.
  • Solution: Replace the turbocharger.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Transmission

4-Speed Automatic

• Transmission Slippage
  • Description/Symptoms: The transmission slips when shifting gears or when under load. This can be caused by worn clutch packs or a faulty solenoid.
  • Solution: Rebuild or replace the transmission.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

5-Speed Manual

• Grinding Gears
  • Description/Symptoms: The gears grind when shifting, especially when shifting into reverse. This can be caused by worn synchronizers or a faulty clutch.
  • Solution: Replace the worn synchronizers or clutch.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Suspension

• Ball Joint Failure
  • Description/Symptoms: The ball joints connect the control arms to the steering knuckles. A faulty ball joint can cause the vehicle to wander or pull to one side.
  • Solution: Replace the ball joints.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Steering Rack Failure
  • Description/Symptoms: The steering rack connects the steering wheel to the wheels. A faulty steering rack can cause the vehicle to wander or pull to one side.
  • Solution: Replace the steering rack.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: The alternator charges the battery and provides power to the vehicle’s electrical system. A faulty alternator can cause the battery to die or can cause the vehicle to lose power.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found
• Starter Failure
  • Description/Symptoms: The starter motor cranks the engine when starting. A faulty starter motor can cause the vehicle to fail to start.
  • Solution: Replace the starter motor.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Exterior

• Rust on Frame
  • Description/Symptoms: The frame of the vehicle can rust over time, especially if it is exposed to salt or other corrosive materials.
  • Solution: Treat the rust with a rust inhibitor or replace the frame.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found
• Tailgate Corrosion
  • Description/Symptoms: The tailgate of the vehicle can rust or corrode over time.
  • Solution: Replace the tailgate or repair the corrosion.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Interior

• Power Window Failure
  • Description/Symptoms: The power windows fail to operate or become inoperable.
  • Solution: Replace the power window motor or switch.
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found
• Heater Core Failure
  • Description/Symptoms: The heater core leaks coolant and causes the vehicle’s interior to become hot or humid.
  • Solution: Replace the heater core.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Summary

The 1999 GMC Yukon is a reliable vehicle with a powerful engine and spacious interior. However, there are some potential issues that owners should be aware of, including intake manifold gasket failure, knock sensor failure, and transmission slippage. These issues can be expensive to fix, but they are relatively rare. Overall, the Yukon is a good choice for those who need a large and powerful SUV.