1990 GMC S15 Jimmy

Introduction to the 1990 GMC S15 Jimmy

The 1990 GMC S15 Jimmy is a compact SUV that was available with various engine and transmission options. It offered a comfortable and spacious interior, along with good off-road capabilities. The available engine options included the 2.5L I4, 4.3L V6, and 5.7L V8. The 2.5L I4 produced 115 horsepower and 160 lb-ft of torque, the 4.3L V6 generated 165 horsepower and 235 lb-ft of torque, and the 5.7L V8 delivered 210 horsepower and 330 lb-ft of torque. Transmission options included a 5-speed manual, 4-speed automatic, and 3-speed automatic.

Engine

2.5L I4

• Intake manifold gasket failure: Oil or coolant leaks, engine overheating
• Solution: Replace intake manifold gasket
• Estimated Cost to Fix: $250 - $500+
• Recalls: None Found

4.3L V6

• Blown head gasket: Coolant leaks, overheating, white smoke from exhaust
• Solution: Replace head gasket
• Estimated Cost to Fix: $1,000 - $2,000+
• Recalls: None Found

5.7L V8

• Valve cover gasket leak: Oil leaks from valve covers
• Solution: Replace valve cover gaskets
• Estimated Cost to Fix: $200 - $400+
• Recalls: None Found

Transmission

5-Speed Manual

• Grinding gears: Difficulty shifting gears
• Solution: Replace synchronizers or transmission fluid
• Estimated Cost to Fix: $500 - $1,000+
• Recalls: None Found

4-Speed Automatic (4L60)

• Torque converter shudder: Vibration during acceleration
• Solution: Replace torque converter
• Estimated Cost to Fix: $800 - $1,200+
• Recalls: None Found

3-Speed Automatic (TH700R4)

• Slipping gears: Transmission fails to engage properly
• Solution: Overhaul or replace transmission
• Estimated Cost to Fix: $1,500 - $2,500+
• Recalls: None Found

Suspension

• Ball joint failure: Clunking noises, loose steering
• Solution: Replace ball joints
• Estimated Cost to Fix: $300 - $600+
• Recalls: None Found

Electrical

• Alternator failure: Battery light illuminates, electrical system malfunctions
• Solution: Replace alternator
• Estimated Cost to Fix: $300 - $500+
• Recalls: None Found

Exterior

• Rust and corrosion on body panels: Rust spots, body damage
• Solution: Repair or replace affected body panels
• Estimated Cost to Fix: Depends on extent of damage
• Recalls: None Found

Interior

• Door lock actuators failure: Doors fail to lock or unlock
• Solution: Replace door lock actuators
• Estimated Cost to Fix: $200 - $400+
• Recalls: None Found

Summary

Overall, the 1990 GMC S15 Jimmy has several common issues, including engine gasket failures, transmission problems, and suspension issues. The severity and cost of these issues can vary depending on the severity of the problem. While some issues may be relatively minor and inexpensive to fix, others can be more serious and require a significant investment.