1991 Nissan NX

Introduction: The 1991 Nissan NX is a compact sports car offered with a variety of engine and transmission options. It has a distinctive wedge shape and a spacious interior for its size. The base model is equipped with a 1.6-liter engine that produces 100 horsepower and 94 lb-ft of torque. A more powerful 2.0-liter engine is also available, producing 135 horsepower and 132 lb-ft of torque. Transmission options include a 5-speed manual and a 4-speed automatic. The NX is praised for its sporty handling and comfortable ride, but it is criticized for its lack of power in the base model.

Engine

1.6-liter Engine

• Oil leaks from the rear main seal: Symptoms include oil dripping from the rear of the engine. Solution: Replace the rear main seal. Estimated Cost to Fix: $300 - $500
• Timing belt failure: Symptoms include difficulty starting the engine, squealing or grinding noises from the engine, and loss of engine power. Solution: Replace the timing belt and any other affected components. Estimated Cost to Fix: $500 - $1,000
• Head gasket failure: Symptoms include coolant leaks, overheating, and loss of engine power. Solution: Replace the head gasket and any other affected components. Estimated Cost to Fix: $1,000 - $2,000

2.0-liter Engine

• No Issues Found

Transmission

5-speed Manual Transmission

• Synchronizer failure: Symptoms include difficulty shifting gears, especially into second or third gear. Solution: Replace the synchronizer rings and hubs. Estimated Cost to Fix: $500 - $800
• Clutch failure: Symptoms include difficulty engaging the clutch, slipping, or chattering. Solution: Replace the clutch and pressure plate. Estimated Cost to Fix: $600 - $1,000

4-speed Automatic Transmission

• Transmission slippage: Symptoms include hesitation or slipping when shifting gears. Solution: Rebuild or replace the transmission. Estimated Cost to Fix: $1,500 - $3,000

Suspension

• Strut failure: Symptoms include a rough ride, clunking noises, and excessive tire wear. Solution: Replace the struts and any other affected components. Estimated Cost to Fix: $400 - $800 per axle
• Ball joint failure: Symptoms include a clunking noise when driving over bumps, loose or wandering steering, and uneven tire wear. Solution: Replace the ball joints. Estimated Cost to Fix: $150 - $300 per ball joint

Electrical

• Alternator failure: Symptoms include dim headlights, battery warning light illuminated, and difficult starting. Solution: Replace the alternator. Estimated Cost to Fix: $300 - $500
• Starter failure: Symptoms include a clicking or grinding noise when starting the engine, or the engine not starting at all. Solution: Replace the starter. Estimated Cost to Fix: $200 - $400

Exterior

• Rust on the undercarriage: Symptoms include visible rust on the frame, suspension components, and exhaust system. Solution: Inspect the vehicle for rust and treat it accordingly. Estimated Cost to Fix: Varies depending on the severity of the rust

Interior

• Dashboard cracking: Symptoms include cracks or fading on the dashboard. Solution: Replace or repair the dashboard. Estimated Cost to Fix: $200 - $500
• Heater core failure: Symptoms include a lack of heat from the heater, a coolant leak, or a fogging windshield. Solution: Replace the heater core. Estimated Cost to Fix: $300 - $600

Summary: The 1991 Nissan NX is a reliable and fun-to-drive sports car, but it is not without its issues. The engine and transmission are generally reliable, but they can have some common problems such as oil leaks, timing belt failure, and transmission slippage. The suspension and electrical systems are also relatively trouble-free, but they can experience issues such as strut failure, alternator failure, and dashboard cracking. Overall, the NX is a solid choice for a used sports car, but potential buyers should be aware of the potential issues and factor in the cost of repairs when considering their purchase.