BGS 9502

BGS 9502 Cooling System Bleeding and Filling Tool

Instruction Manual

Product Overview

The BGS 9502 Cooling System Bleeding and Filling Tool is designed for efficient and safe maintenance of vehicle cooling systems. This 6-piece set allows for simple refilling and bleeding by creating negative pressure, ensuring all air pockets are removed and the system is filled completely. It also facilitates a vacuum tightness test to detect any leaks in the cooling system.

BGS 9502 Cooling System Bleeding and Filling Tool kit in its black carrying case, open to show all components neatly arranged.

Figure 1: The BGS 9502 tool kit, showcasing the main device, hoses, and cone adapters within its protective case.

Key Features:

Components Included

The BGS 9502 set includes the following components:

All components of the BGS 9502 tool laid out on a white background, including the main vacuum unit, two hoses, and three cone adapters.

Figure 2: All 6 components of the BGS 9502 set, clearly showing the main device, hoses, and various cone adapters.

Setup and Preparation

  1. Safety First: Ensure the engine is cool before working on the cooling system. Wear appropriate personal protective equipment, including safety glasses and gloves.
  2. Vehicle Positioning: Park the vehicle on a level surface.
  3. Access Cooling System: Locate the radiator cap or expansion tank cap and remove it. Ensure the cooling system is drained if a complete coolant change is intended.
  4. Select Adaptor: Choose the appropriate cone adaptor (Ø 17-41 mm, Ø 24-52 mm, or Ø 27-50 mm) that fits snugly into the radiator or expansion tank opening.
  5. Connect Main Device: Attach the selected cone adaptor to the main device.
  6. Secure Connection: Insert the cone adaptor firmly into the cooling system opening, ensuring an airtight seal.
  7. Connect Air Supply: Connect a compressed air source (not included) to the main device's air inlet. The tool operates using shop air to create a vacuum.
Close-up view of the main device of the BGS 9502 tool, showing its various ports and the pressure gauge.

Figure 3: Detailed view of the main device, highlighting connection points for air supply and hoses.

Operating Instructions

1. Vacuum Generation and Leak Test:

  1. With the main device and adaptor securely connected to the cooling system, open the air valve on the main device to begin drawing a vacuum.
  2. Observe the pressure gauge. The needle should move into the vacuum range. Continue until the desired vacuum level is reached (refer to vehicle manufacturer specifications if available, or a stable vacuum reading).
  3. Close the air valve. The vacuum should hold steady for at least 5-10 minutes. If the vacuum drops, it indicates a leak in the cooling system. Identify and repair any leaks before proceeding.

2. Coolant Filling:

  1. Once the vacuum test is successful and the vacuum is holding, place the free end of the filling hose into a container of new, appropriate coolant.
  2. Slowly open the coolant valve on the main device. The vacuum in the cooling system will draw the coolant from the container into the system.
  3. Monitor the coolant level in the container and the filling process. The system will fill until the vacuum is equalized.
  4. Once the system is full and no more coolant is being drawn, close the coolant valve.
  5. Carefully disconnect the air supply and then remove the main device from the radiator/expansion tank.
  6. Replace the radiator cap or expansion tank cap.
  7. Start the engine and allow it to reach operating temperature. Check for any remaining air bubbles and top up coolant if necessary after the thermostat opens.

Maintenance and Storage

The black carrying case of the BGS 9502 tool, closed and viewed from the side, showing its compact design.

Figure 4: The BGS 9502 tool stored in its durable carrying case.

Troubleshooting

ProblemPossible CauseSolution
Tool does not hold vacuum.
  • Loose connection at adaptor or hose.
  • Damaged hose or adaptor.
  • Leak in vehicle's cooling system.
  • Ensure all connections are tight.
  • Inspect hoses and adaptors for damage and replace if necessary.
  • Perform a visual inspection of the cooling system for leaks (hoses, radiator, water pump, etc.).
Coolant not being drawn into system.
  • Coolant valve not fully open.
  • Insufficient vacuum in the system.
  • Filling hose is kinked or blocked.
  • Coolant level in container is too low.
  • Ensure coolant valve is fully open.
  • Re-establish proper vacuum level.
  • Check filling hose for kinks or obstructions.
  • Ensure sufficient coolant is available in the container.
Air bubbles persist after filling.
  • System not fully bled.
  • Thermostat not open during final top-up.
  • Run engine to operating temperature with heater on full. Allow system to cycle and bleed naturally.
  • Top up coolant as needed after engine cools.

Specifications

AttributeDetail
Model Number9502
ManufacturerBGS technic
Number of Pieces6
Product Dimensions (L x W x H)28.5 x 25 x 11 cm
Item Weight1.43 kg
MaterialAlloyed Steel, Plastic
Filling Hose Length1640 mm
Extension Hose Length610 mm
Cone Adaptor 1 DiameterØ 17 - 41 mm
Expansion Cone 1 DiameterØ 24 - 52 mm
Expansion Cone 2 DiameterØ 27 - 50 mm
Batteries RequiredNo

Warranty and Support

Specific warranty information for the BGS 9502 tool is typically provided at the point of purchase or within the product packaging. Please refer to your purchase documentation for details regarding warranty coverage and duration.

For technical support or inquiries regarding the use and maintenance of your BGS 9502 tool, please contact BGS technic customer service or your authorized dealer. Contact information can usually be found on the manufacturer's official website or on the product packaging.

Note: Always use genuine BGS replacement parts and accessories to ensure optimal performance and safety.