1990 GMC G2500
Introduction:
The 1990 GMC G2500 is a full-size pickup truck that was available with a range of engine and transmission options. The base engine was a 5.7L V8 producing 210 horsepower and 300 lb-ft of torque, paired with a 4-speed automatic transmission. Other engine options included a 7.4L V8 and a 6.2L diesel V8. Available transmission options included a 5-speed manual transmission and a 3-speed automatic transmission. The G2500 was known for its durability, versatility, and towing capabilities, but it also had some common problems.
Engine
5.7L V8
- Intake manifold gasket failure: Symptoms: Coolant leaks, overheating, rough idle
- Solution: Replace the intake manifold gasket
- Estimated Cost to Fix: $500 - $1000
Recalls: None Found
- Fuel injector failure: Symptoms: Engine misfires, loss of power, hard starting
- Solution: Replace the fuel injectors
- Estimated Cost to Fix: $300 - $600
- Recalls: None Found
7.4L V8
- Head gasket failure: Symptoms: Coolant leaks, overheating, white smoke from the exhaust
- Solution: Replace the head gaskets
- Estimated Cost to Fix: $1000 - $1500
Recalls: None Found
- Timing chain failure: Symptoms: Rattling noises from the engine, loss of power, engine misfires
- Solution: Replace the timing chain
- Estimated Cost to Fix: $600 - $1200
- Recalls: None Found
6.2L Diesel V8
- Injector pump failure: Symptoms: Engine misfires, loss of power, hard starting
- Solution: Replace the injector pump
- Estimated Cost to Fix: $1500 - $2500
Recalls: None Found
- Turbocharger failure: Symptoms: Loss of power, black smoke from the exhaust
- Solution: Replace the turbocharger
- Estimated Cost to Fix: $1000 - $1500
- Recalls: None Found
Transmission
4-Speed Automatic Transmission
- Torque converter failure: Symptoms: Slipping gears, shuddering, overheating
- Solution: Replace the torque converter
- Estimated Cost to Fix: $1000 - $1500
Recalls: None Found
- Transmission fluid leaks: Symptoms: Fluid leaks from the transmission pan or seals
- Solution: Replace the leaking seals or gaskets
- Estimated Cost to Fix: $200 - $500
- Recalls: None Found
5-Speed Manual Transmission
- Clutch failure: Symptoms: Slipping clutch, difficulty shifting gears
- Solution: Replace the clutch
- Estimated Cost to Fix: $500 - $1000
Recalls: None Found
- Synchronizer failure: Symptoms: Difficulty shifting gears, grinding noises
- Solution: Replace the synchronizers
- Estimated Cost to Fix: $300 - $600
- Recalls: None Found
3-Speed Automatic Transmission
- No issues found
Suspension
- Ball joint failure: Symptoms: Squeaking or popping noises from the suspension, excessive tire wear
- Solution: Replace the ball joints
- Estimated Cost to Fix: $200 - $400
Recalls: None Found
- Tie rod failure: Symptoms: Steering wheel vibration, loose steering
- Solution: Replace the tie rods
- Estimated Cost to Fix: $150 - $300
- Recalls: None Found
Electrical
- Alternator failure: Symptoms: Dimming lights, battery not charging
- Solution: Replace the alternator
- Estimated Cost to Fix: $500 - $700
Recalls: None Found
- Battery failure: Symptoms: Dead battery, difficulty starting the vehicle
- Solution: Replace the battery
- Estimated Cost to Fix: $100 - $200
- Recalls: None Found
Exterior
- Rust: Symptoms: Rust spots on the body panels, frame, or suspension components
- Solution: Remove the rust and apply rust-resistant paint or coatings
- Estimated Cost to Fix: $500 - $1500+
Recalls: None Found
- Headlights failure: Symptoms: Dim or flickering headlights
- Solution: Replace the headlights
- Estimated Cost to Fix: $100 - $200
- Recalls: None Found
Interior
- HVAC system failure: Symptoms: No heat or air conditioning, blower motor not working
- Solution: Diagnose and repair the HVAC system
- Estimated Cost to Fix: $200 - $1000
Recalls: None Found
- Seat adjustment failure: Symptoms: Difficulty adjusting the seat, loose or broken seat controls
- Solution: Repair or replace the seat adjustment mechanism
- Estimated Cost to Fix: $150 - $300
- Recalls: None Found
Summary
Overall, the 1990 GMC G2500 is a reliable and capable pickup truck, but it can experience a range of issues, particularly with the engine and transmission. The cost of these issues can vary depending on the severity of the problem and the quality of the replacement parts used. Rust is also a common problem, especially in areas with high levels of moisture or road salt. Regular maintenance and inspections can help to prevent or diagnose these problems early, reducing the overall cost of ownership.