Citroen C4 Diesel Oil Breather Tank Box 9649508680

Citroen C4 Diesel Oil Breather Tank Box is a vacuum system component designed for diesel engines, responsible for stable vacuum accumulation and its availability for other sub-assemblies. By maintaining the factory geometry and capacity of the tank, it ensures repeatable system operating parameters, which translates into predictable performance of vacuum-controlled components. This is a practical service solution for users who want to restore the proper operation of the system in their Citroën.

Specifications and technical data

• SKU: 9649508680-1
• Mark: Citroën
• Condition: Used
• OEM Part Number: 9649508680-1
• Substitutable numbers: 9649508680, 96 495 086 80
• Fuel type: Diesel
• Category: Vacuum Pumps

Purpose and role in the vacuum system

The presented vacuum tank works with the vacuum generation system in Diesel engines, where the demand for stable vacuum is particularly important. It is responsible for vacuum buffering, so that an adequate level of vacuum is available for actuators under various engine load conditions.

In practice, a properly functioning vacuum tank contributes to:

• consistent operation of vacuum-controlled actuators and valves,
• maintaining stable system operating conditions under variable driving conditions,
• reducing vacuum fluctuations that could cause improper component response.

Construction and fitment for Citroën C4

Citroen C4 Diesel Oil Breather Tank Box is a component designed for the specific structural solutions of this model series, which facilitates installation in the original mounting points. The use of a dedicated tank allows for maintaining proper routing of vacuum lines and the correct orientation of connection ports relative to other engine bay components.

Thanks to this service solution, you can:

• minimize the risk of leaks resulting from improper hose routing,
• maintain compliance with the factory vacuum system architecture,
• reduce the time required for fitting and installing the component.

Benefits of using an original used component

The offered tank comes from the group of original Citroën components, which means maintaining factory material and dimensional parameters. In the case of vacuum systems, this is important for tightness, temperature resistance, and the durability of connections with hoses.

A used element of this type is a reasonable compromise between the cost of repair and maintaining the original vehicle specification. For many users, it is a way to:

• restore proper system operation without using unverified replacements,
• maintain vehicle consistency in terms of parts used,
• reduce operating costs while maintaining an appropriate level of reliability.

You can find more about the impact of original components on vehicle resale value in the article on the role of original used parts in maintaining car value.

Operation in Diesel engines and fault diagnostics

In diesel units, stable vacuum is used in many areas, which is why an efficient vacuum tank is important for the overall refinement of the vehicle. Typical symptoms of problems in this area include unstable operation of vacuum-controlled components, delayed system response, or sporadic errors related to insufficient vacuum.

During diagnostics, it is worth paying attention to:

• the tightness of the tank itself (cracks, damage to ports),
• the condition of the vacuum lines leading to the tank,
• proper mounting and the absence of mechanical damage resulting from vibrations.

For a better understanding of how the vacuum system interacts with engine power supply, it is worth reading the guide on the construction and maintenance of the fuel system, injectors, pumps, and fuel tank, which discusses the dependencies between individual sub-assemblies.

Related components from the Citroën Vacuum Pumps group

If you are planning a comprehensive repair or upgrade of the engine area in your Citroën and need other elements from the same group, such as vacuum pumps, vacuum lines, or control valves, check the available parts in the Citroën Vacuum Pumps category.