Nissan Sentra Factory Service Manual (PDF)

This manual provides detailed repair and maintenance instructions for the Nissan Sentra B14, manufactured from 1995 to 1999. It covers all major vehicle systems, including the engine, transmission, suspension, electrical equipment, and brakes. The manual contains diagrams, step-by-step diagnostic and troubleshooting procedures, as well as recommendations for replacing parts and performing scheduled maintenance. Suitable for both professional auto mechanics and car owners who want to service their Sentra B14 themselves.

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Nissan Sentra B14, produced from 1995 to 1999, is known for its reliability and economy. However, like any car, it can encounter certain problems. Below are the most common breakdowns of this model, their causes and recommendations for elimination.

1. Cooling system problems

Symptoms: Engine overheating, coolant leaks, radiator noise.

Causes: Thermostat wear, radiator damage, hose or water pump leaks.

Solution: Check and replace thermostat if necessary. Inspect radiator and hoses for leaks, replace damaged components. Replace water pump if necessary.

2. Brake pads and discs wear

Symptoms: Squeaking brakes, vibrations when braking, reduced braking efficiency.

Causes: Natural wear of brake pads and discs, aggressive driving style.

Solution: Regularly check the condition of brake pads and discs, replace them as they wear out. Check brake fluid and replace it if necessary.

3. Suspension problems

Symptoms: Noise when driving over bumps, instability on the road, worn shock absorbers.

Causes: Worn shock absorbers, springs, ball joints or silent blocks.

Solution: Check the condition of the shock absorbers and springs, replace worn parts. Check and, if necessary, replace ball joints and silent blocks.

4. Ignition system malfunctions

Symptoms: Problems starting the engine, misfiring, unstable engine operation.

Causes: Worn spark plugs, ignition coils or wires.

Solution: Check and replace spark plugs, coils and wires if necessary. Diagnose the ignition system to determine the exact cause of the problem.

5. Transmission problems

Symptoms: Difficulty shifting gears, gear slippage, unusual noises from the gearbox.

Causes: Worn clutch (for manual transmission), problems with the torque converter or gears (for automatic transmission).

Solution: For manual transmission - replace the clutch. For automatic - check the level and condition of the transmission fluid, replace it if necessary or repair the gearbox.

6. Electrical problems

Symptoms: Faulty headlights, problems with interior electronics, interruptions in instrument operation.

Causes: Blown fuses, corroded contacts, worn wiring.

Solution: Check fuses and replace blown ones. Inspect wiring for damage and corrosion, repair or replace damaged areas. Check the operation of relays and other electrical components.

7. Intake and exhaust system problems

Symptoms: Reduced engine power, increased fuel consumption, increased emissions.

Causes: Clogged air filter, leaks in the intake system, faulty catalytic converter or exhaust system.

Solution: Change the air filter regularly. Check the intake system for leaks, repair them if necessary. Check the condition of the catalytic converter and exhaust system, replace damaged components.

8. Worn belts and pulleys

Symptoms: Squeaking and noise from the engine, slipping belts.

Causes: Natural wear of drive belts, worn pulleys or tensioners.

Solution: Regularly inspect belts for cracks and wear, replace them according to regulations. Check the condition of pulleys and tensioners, replace if necessary.

9. Problems with the engine cooling system

Symptoms: Increased engine temperature, coolant leaks.

Causes: Wear of the radiator, water pump or thermostat.

Solution: Check and replace faulty components of the cooling system. Regularly check the level and condition of the coolant.

10. Malfunctions of the air conditioning system

Symptoms: No cold air, unpleasant odors from the ventilation.

Causes: Refrigerant leaks, compressor wear or dirty filters.

Solution: Check the system for leaks, fill with refrigerant. Clean or replace filters, replace the compressor if necessary.

Preventive measures:

Regular maintenance: Follow the maintenance schedule, conduct regular checks and replace consumables.

Pay close attention to vehicle signals: Do not ignore warning lights and unusual sounds, contact specialists in a timely manner.

Use of quality spare parts: When replacing parts, use original or proven analogs to ensure the reliability and durability of the repair.

Storing the car in proper conditions: Protect the car from extreme weather conditions and wash it regularly to prevent corrosion.