How to repair and maintain trucks

Truck maintenance is an important part of ensuring that your truck stays in good operating condition and involves a number of aspects, including the inspection and maintenance of mechanical components, electronic systems, hydraulic systems, emission systems, and more. Here are some common elements of truck maintenance:

1. Engine Repair
- Change oil and filter element: regular oil changes keep the engine running smoothly and reduce wear and tear.
- Checking the cooling system: check the water tank and coolant levels to prevent the engine from overheating.
- Spark Plug and Air Filter Check: Check and replace spark plugs regularly to ensure proper engine ignition; air filters should be replaced regularly to maintain the efficiency of the engine's air intake.

2. Transmission Maintenance
- Transmission check: Check the transmission fluid regularly to ensure smooth shifting.
- Clutch Inspection: Check clutch usage to prevent excessive wear that could lead to slippage or malfunction.
- Drive Shaft Repair: Check the connection of the drive shaft to prevent looseness or breakage.

3. Brake System Repair.
- Brake Pad and Disc Inspection: Check brake pads regularly for wear and replace them in a timely manner.
- Brake Fluid Inspection and Replacement: Keep the brake fluid clean and at the proper level, and replace the brake fluid when necessary to ensure brake performance.
- BRAKE SYSTEM LEAK CHECK: Make sure there are no leaks in the brake lines to keep the brake system working properly.

4. Tires and Suspension System
- Tire Inspection: Check tire pressure and wear, and perform regular tire shifts and replacements.
- SUSPENSION INSPECTION: Check whether the shock absorbers, springs and other parts of the suspension system are working properly to ensure driving comfort and safety.

5. Electrical System Maintenance:
- Battery Inspection: Checks the voltage and contact points of the battery to ensure that it is free from corrosion and damage.
- LIGHTING SYSTEM INSPECTION: Checks whether lights, brake lights, signal lights, etc. are working properly to ensure driving safety.
- Starting system check: check if the starter motor and starter wiring are working properly to prevent starting difficulties or malfunctions.

6. EMISSION SYSTEM MAINTENANCE
- Exhaust system check: Check whether there is any leakage or damage to the exhaust pipe, silencer and other parts to ensure that the emission meets the environmental protection standard.
- EMISSION INSPECTION: Regularly inspect and clean the catalytic converter to keep the engine emission system in good condition.

7. Air Conditioning System
- Air-conditioning Inspection and Fluoridation: Check the working condition of the air-conditioning system, including adding fluorine, inspecting the condenser and evaporator, etc. to ensure that the air-conditioner can cool properly.

8. Periodic Maintenance and Preventive Repair
- Periodic Inspection and Maintenance: Conduct regular inspections according to the manufacturer's recommended maintenance intervals to avoid sudden breakdowns.
- Fault Code Diagnosis: Modern trucks are usually equipped with OBD (On-Board Diagnostics), which allows you to diagnose potential vehicle problems by scanning fault codes.

9.-Engine overheating: check if there is enough coolant and if the cooling system is working properly.
- Brake failure: may be insufficient brake fluid, brake pads are excessively worn, or there is an air leak in the brake system.
- Transmission oil leakage: check whether the transmission seals are damaged or aging, and replace them in time.
- Insufficient battery power: Check if the battery needs to be replaced and if the battery connector is loose.

10.If the truck's breakdown is complicated or involves specialized equipment and technology, it is recommended to send it to a professional truck repair center or authorized repair station for repair. Many truck manufacturers also offer remote troubleshooting and technical support that can help quickly pinpoint problems and provide solutions.

Timely and professional maintenance and repair can significantly extend the life of a truck, reduce the number of accidents and improve operational efficiency.

Key words: