1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your DUTRIEUX Silicone Radiator Hose Kit. This kit is specifically designed to replace the original radiator hoses in Nissan Patrol Y60 GQ vehicles equipped with the 2.8L RD28T Turbo Diesel engine, manufactured between 1994 and 1997. Please read these instructions carefully before proceeding with installation.
2. Product Overview
The DUTRIEUX Silicone Radiator Hose Kit offers a high-performance alternative to standard rubber hoses, providing enhanced durability and resistance to extreme temperatures and pressures. Each kit is hand-crafted to exact specifications to ensure a perfect fit and long-lasting performance.
2.1. Package Contents
- 1 set silicone hose kit (9 pieces)
- Each hose features 3 plies of reinforcement.
Note: Clamps are not included by default. If you require clamps or custom color combinations, please arrange this with your supplier at the time of purchase.
2.2. Key Features
- Easy to install (professional installation recommended if unsure).
- High-quality, hand-crafted silicone construction.
- Optimal 4.5mm wall thickness for durability.
- Designed to withstand high temperatures and high pressures.
- Uniform wall thickness for consistent performance.
- Bright and clean surface with interior stainless steel mold for clarity.
Figure 1: Complete Red Silicone Radiator Hose Kit
Figure 2: Detailed view of hose construction highlighting Aramid reinforcement, fine workmanship, and clarity.
Video 1: Product showcase demonstrating various hose colors and installed examples in engine bays.
3. Specifications
| Attribute | Value |
|---|---|
| Application | Nissan Patrol Y60 GQ 2.8L RD28T Turbo Diesel (1994-1997) |
| Material | Top Silicone and Nylon |
| Number of Pieces | 9 |
| Layers (Ply) | 3 (Custom options 1-6 Ply available) |
| Wall Thickness | 4.5mm (Custom options 2-7mm available) |
| Size Tolerance | +/-0.5mm |
| Working Temperature | -60°C to 240°C |
| Working Pressure | 0.3 to 1.0 Mpa |
| Bursting Pressure | 2 Mpa |
| Placement on Vehicle | On Radiator |
| Special Features | High performance |
| Available Colors | Blue, Red, Black, Yellow, Green, Orange, Purple, White, Gray, Pink, etc. |
Figure 3: Manufacturer's Product Specifications
4. Installation
While the DUTRIEUX Silicone Radiator Hose Kit is designed for easy installation, it is recommended that installation be performed by a qualified mechanic or an individual with experience in automotive cooling system maintenance. Incorrect installation can lead to coolant leaks, engine overheating, and potential damage.
4.1. Tools and Materials Required (Not Included)
- Appropriate wrenches or sockets for hose clamps.
- Coolant drain pan.
- New coolant (ensure it meets your vehicle's specifications).
- Hose pick or flathead screwdriver (for removing old hoses).
- Clean rags.
- New hose clamps (if not reusing old ones, or if custom clamps were not ordered with the kit).
4.2. Installation Steps
- Safety First: Ensure the engine is completely cool before starting. Disconnect the vehicle's battery.
- Drain Coolant: Place a drain pan under the radiator drain plug (or lower radiator hose connection) and carefully drain the engine coolant. Dispose of old coolant responsibly.
- Remove Old Hoses: Loosen the clamps on the old radiator hoses. Carefully detach the hoses from the radiator and engine connections. A hose pick or flathead screwdriver can assist in breaking the seal if hoses are stuck.
- Clean Connections: Inspect and clean the radiator and engine hose connection points to ensure they are free of debris, corrosion, or old hose residue.
- Install New Hoses: Match each new silicone hose to its corresponding old hose for correct placement. Slide the new clamps onto the ends of the silicone hoses. Carefully push the silicone hoses onto the radiator and engine connections, ensuring they are fully seated.
- Secure Clamps: Position the clamps over the seated hoses and tighten them securely. Do not overtighten, as this can damage the hoses or connections.
- Refill Coolant: Close the radiator drain plug (if opened). Refill the cooling system with the appropriate new coolant.
- Bleed Air: Start the engine with the radiator cap off (or reservoir cap open) and allow it to reach operating temperature. As the engine warms up, air pockets will escape. Top off the coolant as needed. Once the thermostat opens and coolant circulates, replace the cap.
- Inspect for Leaks: After the engine has cooled, re-check the coolant level and inspect all hose connections for any signs of leaks.
Figure 4: Variety of silicone hose shapes and colors, useful for identifying specific hose types during installation.
5. Operation
Once correctly installed, the silicone radiator hoses operate as a critical part of your vehicle's cooling system. They are designed to efficiently transport coolant between the engine and radiator, maintaining optimal engine temperature. Due to their superior material properties, they offer enhanced performance and longevity compared to traditional rubber hoses, especially under demanding conditions.
6. Maintenance
Regular inspection and proper maintenance will ensure the longevity and optimal performance of your DUTRIEUX Silicone Radiator Hose Kit.
- Visual Inspection: Periodically inspect all hoses for signs of wear, cracks, swelling, hardening, or discoloration. While silicone is highly durable, external damage can occur.
- Check for Leaks: Regularly check all hose connections for any signs of coolant leaks. Even minor leaks should be addressed promptly.
- Clamp Tightness: Ensure all hose clamps remain tight. Vibrations and temperature changes can sometimes cause clamps to loosen over time. Do not overtighten.
- Coolant Quality: Maintain proper coolant levels and ensure the coolant is clean and free of contaminants. Follow your vehicle manufacturer's recommendations for coolant flush intervals.
- Cleaning: Clean the exterior of the hoses with mild soap and water if they become excessively dirty. Avoid harsh chemicals or abrasive cleaners.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Coolant Leak at Hose Connection | Loose clamp, improperly seated hose, damaged hose end, or damaged connection point. | Check and tighten clamps. Ensure hose is fully seated. Inspect hose and connection for damage; replace if necessary. |
| Engine Overheating | Low coolant level, air in the cooling system, faulty thermostat, or other cooling system issues (not directly related to hoses). | Check coolant level and top off. Bleed air from the system. If problem persists, consult a mechanic for further diagnosis. |
| Hose Appears Swollen or Collapsed | Excessive pressure/vacuum in the cooling system, or internal damage to the hose. | Inspect cooling system for blockages or faulty pressure cap. If hose is damaged, replace it. |
8. User Tips
- Pre-fitment Check: Before draining coolant, compare the new silicone hoses with the old ones to ensure all pieces match the original configuration.
- Lubrication: A small amount of silicone-safe lubricant or coolant on the inside of the hose ends can help them slide onto connections more easily.
- Clamp Upgrade: Consider using high-quality constant tension hose clamps for optimal sealing and to prevent loosening over time, especially in high-vibration environments.
- Coolant System Flush: It's a good practice to perform a full coolant system flush when replacing hoses to ensure a clean system and maximize the life of your new coolant and hoses.
9. Warranty and Support
DUTRIEUX stands behind the quality of its products. Your Silicone Radiator Hose Kit comes with a 1-year quality guarantee period from the date of purchase.
9.1. Quality Guarantee
Any product quality problems encountered within the guarantee period will be addressed. This includes replacement or refund, depending on the nature of the issue.
9.2. Returns Policy
A 30-day returns policy is offered on all items. Items must be returned in their original, undamaged packaging, unused, and in the condition they were received.
9.3. Contact and Support
For any questions, concerns, or support regarding your DUTRIEUX Silicone Radiator Hose Kit, please contact your seller or the DUTRIEUX customer service. They are committed to resolving any issues promptly.
Figure 5: Certifications and Trade Assurance for product quality.
