2001 GMC T6500

Introduction:

The 2001 GMC T6500 is a Class 6 medium-duty truck with a wide range of engine and transmission options. It offers a payload capacity of up to 26,000 lbs and a towing capacity of up to 30,000 lbs. Despite its impressive capabilities, the T6500 has encountered several issues over the years.

Engine:

7.8L V8

• Intake Manifold Gasket Failure:
  • Description/Symptoms: Coolant or oil leaks from the intake manifold, accompanied by rough idling, poor performance, and check engine light.
  • Solution: Replace the intake manifold gasket.
  • Estimated Cost to Fix: $500 - $800+
  • Recalls: NHTSA Campaign ID: 04V364000

8.1L V8

• Head Gasket Failure:
  • Description/Symptoms: Coolant leaks, overheating, white smoke from exhaust, and a loss of power.
  • Solution: Replace the head gasket.
  • Estimated Cost to Fix: $1,200 - $2,000+
  • Recalls: None Found

Transmission:

Allison 5-speed Automatic

• Torque Converter Shudder:
  • Description/Symptoms: Vibration or shuddering when the transmission shifts, especially at low speeds.
  • Solution: Replace the torque converter.
  • Estimated Cost to Fix: $1,000 - $1,500+
  • Recalls: None Found

Suspension:

• Leaf Spring Failure:
  • Description/Symptoms: Broken or bent leaf springs, causing sagging or uneven ride height.
  • Solution: Replace the leaf springs.
  • Estimated Cost to Fix: $500 - $1,200+
  • Recalls: None Found

Electrical:

• Battery Drain:
  • Description/Symptoms: Battery goes dead after sitting for short periods, causing difficulty starting the vehicle.
  • Solution: Identify and repair the source of the battery drain, such as a faulty alternator or parasitic draw.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Exterior:

• Rust on Frame and Body Panels:
  • Description/Symptoms: Corrosion and rust on the frame, body panels, or undercarriage.
  • Solution: Repair or replace affected parts.
  • Estimated Cost to Fix: $500 - $2,000+ depending on the severity of the issue.
  • Recalls: None Found

Interior:

• Dashboard Panel Cracking:
  • Description/Symptoms: Cracks or warping on the dashboard panel, causing an unsightly appearance or potential safety hazard.
  • Solution: Replace or repair the dashboard panel.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Summary:

The 2001 GMC T6500 has faced a range of issues, including engine failures, transmission problems, suspension failures, and electrical issues. The severity and cost of repairs can vary significantly depending on the extent of the problem and the parts involved. It is important for owners to be aware of these potential issues and to maintain their vehicles regularly to prevent costly repairs.