1999 GMC K3500

Introduction:

The 1999 GMC K3500 is a heavy-duty pickup truck available with two engine options: a 6.0L V8 or a 7.4L V8. Both engines are paired with a 4-speed automatic transmission. The K3500 is known for its towing and hauling capabilities, but it also has some reported issues.

Engine

6.0L V8

• Intake Manifold Gasket Failure:
  • Description/Symptoms: Leaks coolant or oil, rough idle, overheating
  • Solution: Replace intake manifold gasket
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Head Gasket Failure:
  • Description/Symptoms: Coolant mixing with oil, white smoke from exhaust, overheating
  • Solution: Replace head gaskets
  • Estimated Cost to Fix: $1,500 - $2,500
  • Recalls: None Found

7.4L V8

• Engine Knock:
  • Description/Symptoms: Knocking or ticking noise from engine
  • Solution: Replace lifters or camshaft
  • Estimated Cost to Fix: $1,000 - $2,000
  • Recalls: None Found

Transmission

4-Speed Automatic

• Overdrive Unit Failure:
  • Description/Symptoms: No overdrive gear, transmission slipping
  • Solution: Replace overdrive unit
  • Estimated Cost to Fix: $1,500 - $2,000
  • Recalls: None Found

Suspension

• Front Suspension Wear:
  • Description/Symptoms: Loose or rattling steering, uneven tire wear
  • Solution: Replace worn suspension components (ball joints, tie rods, etc.)
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Electrical

• Starter Failure:
  • Description/Symptoms: Engine cranks but does not start
  • Solution: Replace starter
  • Estimated Cost to Fix: $300 - $500
  • Recalls: None Found

Exterior

• Door Lock Failure:
  • Description/Symptoms: Door locks won’t open or close
  • Solution: Replace door lock actuator
  • Estimated Cost to Fix: $200 - $300
  • Recalls: None Found

Interior

• Heater Core Leak:
  • Description/Symptoms: Coolant leaking inside the cab, fogging up the windshield
  • Solution: Replace heater core
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Cruise Control Failure:
  • Description/Symptoms: Cruise control does not engage or hold speed
  • Solution: Replace cruise control switch or module
  • Estimated Cost to Fix: $150 - $300
  • Recalls: None Found

Summary:

The 1999 GMC K3500 has some reported issues, particularly with the engine and transmission. Some of the fixes can be costly, especially for major engine repairs. However, the K3500 remains a popular choice for those in need of a heavy-duty workhorse.