1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your new coolant water pipe. Designed for Lifan Foison Van and Truck models equipped with 1.3L and 1.5L engines, this component is crucial for maintaining optimal engine temperature and preventing overheating. Please read this manual thoroughly before proceeding with installation or maintenance.
2. Product Overview
The coolant water pipe is a vital part of your vehicle's cooling system, responsible for circulating coolant between the engine and radiator. This specific pipe is engineered to fit Lifan Foison models, ensuring a precise fit and reliable performance.



3. Specifications
| Feature | Detail |
|---|---|
| Part Number | LF479Q5-1307013 / LF479Q3-1307013B1 |
| Application | Lifan Foison Van Truck |
| Engine Compatibility | 1.3L, 1.5L |
| Function | Coolant circulation |
| Material | Durable automotive-grade material (typically plastic or metal alloy) |
| Origin | Mainland China |
4. Installation
Note: Installation of automotive cooling system components should ideally be performed by a qualified mechanic. Improper installation can lead to coolant leaks, engine damage, or personal injury. Always refer to your vehicle's specific service manual for detailed instructions.
4.1 Safety Precautions
- Ensure the engine is completely cool before starting work.
- Disconnect the vehicle's battery to prevent accidental electrical shorts.
- Wear appropriate personal protective equipment (PPE), including safety glasses and gloves.
- Be aware that coolant is toxic. Handle with care and dispose of properly.
4.2 Required Tools
- Socket wrench set
- Screwdriver set
- Pliers (for hose clamps)
- Drain pan for coolant
- New coolant (compatible with your vehicle)
- Gasket scraper (if needed for old gasket removal)
- Torque wrench (for proper bolt tightening)
4.3 Installation Steps (General Guide)
- Drain Coolant: Place a drain pan under the radiator and open the drain cock to drain the coolant.
- Locate and Remove Old Pipe: Identify the old coolant water pipe. Loosen any hose clamps and disconnect hoses attached to the pipe. Remove any bolts securing the pipe to the engine block or other components.
- Clean Mounting Surfaces: Carefully scrape off any old gasket material from the engine block and the new pipe's mounting surface. Ensure surfaces are clean and dry.
- Install New Pipe: Apply a thin layer of RTV sealant (if specified by vehicle manufacturer) or use a new gasket. Position the new coolant water pipe and hand-tighten the mounting bolts.
- Tighten Bolts: Using a torque wrench, tighten the bolts to the manufacturer's specified torque settings.
- Reconnect Hoses: Reattach all coolant hoses to the new pipe and secure them with hose clamps.
- Refill Coolant: Close the radiator drain cock. Refill the cooling system with the appropriate type and amount of coolant.
- Bleed Air: Start the engine and allow it to reach operating temperature with the heater on full. Monitor the coolant level and add more as needed. Bleed any air from the system as per your vehicle's service manual.
- Check for Leaks: After the engine has cooled, recheck all connections for leaks.
5. Maintenance
Regular maintenance of your vehicle's cooling system is essential for longevity and performance. While the coolant pipe itself requires little direct maintenance, it's part of a larger system that does.
- Regular Inspection: Periodically inspect the coolant water pipe and surrounding hoses for signs of wear, cracks, leaks, or corrosion.
- Coolant Level Check: Regularly check your coolant level and top up with the correct type of coolant as needed.
- Coolant Flush: Follow your vehicle manufacturer's recommendations for coolant flush and replacement intervals.
- Hose Condition: Ensure all hoses connected to the pipe are in good condition, free from cracks or bulges, and that clamps are secure.
6. Troubleshooting
If you experience issues with your cooling system after installing the new coolant water pipe, consider the following common problems:
6.1 Coolant Leaks
- Loose Connections: Check all hose clamps and mounting bolts to ensure they are properly tightened.
- Damaged Gasket/Seal: If a leak persists at the mounting flange, the gasket or sealant may be improperly installed or damaged. Re-installation with a new gasket/sealant might be necessary.
- Hose Damage: Inspect hoses for cracks or punctures. Replace any damaged hoses.
6.2 Engine Overheating
- Air in System: Ensure the cooling system has been properly bled of all air. Air pockets can prevent proper coolant circulation.
- Low Coolant Level: Check and top up coolant if necessary.
- Other Cooling System Issues: If the pipe is not leaking and the system is properly filled and bled, overheating may indicate issues with other components such (e.g., radiator, thermostat, water pump).
7. Warranty and Support
For any questions regarding the product, warranty claims, or technical support, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.





