Audi A6 C6 S6 4F Power Steering Vane Pump 2.0 TDI CAGB 136HP Diesel 4F0145156F

Audi A6 C6 S6 4F Power Steering Vane Pump 2.0 TDI CAGB 136HP Diesel is an original hydraulic system component designed for diesel engines, ensuring stable and predictable power steering performance. Thanks to the factory Audi design, the pump maintains proper operating parameters under typical operating conditions, which translates into confident vehicle handling. This is a practical solution for users looking for parts tailored to the specifics of the 2.0 TDI unit.

Specifications and technical data

• SKU: 4F0145156F
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0145156F
• Substitutable numbers: 4F0145156F, 4F0 145 156 F
• Fuel type: Diesel
• Category: Power Steering Pumps

Purpose and function in the power steering system

The presented pump belongs to the Power steering pumps category and is responsible for generating the appropriate pressure in the hydraulic system, which makes steering easier at low and medium speeds. It has been designed to work with a diesel unit, so its operating characteristics are adapted to the loads typical of a diesel engine. A properly selected pump reduces the risk of noise, steering wheel judder, and excessive load on the engine accessories.

Benefits of using an original Audi pump

Using an original pump in Audi A6 C6 and S6 models with a 2.0 TDI engine allows you to maintain the factory operating parameters of the steering system. Key advantages include:

• Proper pressure characteristics matched to the power steering system used by the manufacturer.
• Consistency with other system components, such as hoses, the steering rack, and the fluid reservoir.
• Reduced risk of incorrect installation compared to aftermarket replacements of uncertain origin.
• Better predictability of vehicle behavior during maneuvering and city driving.

For the user, this means more confident handling, stable system operation, and a lower risk of additional service interventions after replacement.

Technical characteristics and fitment

The pump has been constructed to work with a compression-ignition engine, which is important for mechanical and thermal loads during operation. In practice, this translates into:

• appropriately selected efficiency across the entire operating speed range of the diesel unit,
• stable operating pressure in the power steering system,
• maintaining correct system operation even with frequent use in urban conditions.

Thanks to this, the pump can be used as a component to restore proper power steering operation after a failure or wear of the previous unit. Factory origin promotes compatibility with factory engine accessories and the steering system.

Application in service practice

Replacing the power steering pump is recommended in situations where symptoms such as noticeable noise from the accessory drive area, stiffening steering, or fluid leaks from the pump body occur. Using an original component allows the mechanic to carry out the repair in a predictable manner, without the need to modify mounts or hoses. For workshops specializing in the Audi brand, this is a convenient solution that facilitates maintaining consistent service standards.

If you are planning a comprehensive repair or upgrade of the steering system area in your Audi and need other elements from the same group, such as hydraulic hoses, a steering rack, or a fluid reservoir, check the available parts in the Audi power steering pumps category.

Product condition and selection by markings

The offered pump is a used component, which in practice means an attractive cost-to-functionality ratio while maintaining the original Audi design. When selecting parts, it is worth paying attention to the manufacturer's markings and compatibility with the specific 2.0 TDI engine version to avoid problems with installation and system operation. In case of doubt, selection by factory numbers or vehicle data allows you to reduce the risk of error.

Additional information on diagnostics and selection of power supply elements and diesel engine accessories can be found in the article: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses practical aspects of working with components in diesel engines.