Power Steering Pump, Vehicles Without Dynamic Steering [CAUA, CFSA]: Overview

WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2017 Audi S5, 2017 Audi A5 Quattro, 2016 Audi S5, 2016 Audi A5 Quattro, and 2015 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Always replace seals.

Do not reuse fluid you have drained.

Only use hydraulic oil.

When replacing the power steering pump, replace its seal and o-ring. Refer to OVERVIEW - POWER STEERING PUMP .

Only use grease to lubricate.

Fig 1: Exploded View Of Power Steering Pump, Vehicles Without Dynamic Steering

Courtesy of AUDI OF AMERICA, LLC

Power Steering Pump
- Fill with hydraulic oil before installation.
- Checking delivery pressure POWER STEERING PUMP, CHECKING DELIVERY PRESSURE [CAUA, CFSA] .
- Removing and installing, refer to Removing .
- Grease the power steering pump splines when installing.
- Bleed the steering. Refer to STEERING, BLEEDING AFTER REPLACING .
- Check hydraulic fluid level. Refer to POWER STEERING FLUID LEVEL, CHECKING .
- Steering system, checking for leaks, refer to STEERING, CHECKING FOR LEAKS .
Input Shaft
- Grease the splines on the input shaft and power steering pump all the way around. Allocation, refer to the Parts Information.
- Grease the hole on the pump side and on the engine side or on the end of the shaft. Allocation, refer to the Parts Information.
Seal
- Replacing, refer to OVERVIEW - POWER STEERING PUMP .
- Grease when installing.
Bolt
- For Manual Transmission Tightening Specifications, refer to TIGHTENING SPECIFICATIONS [0B4] .
- For Automatic Transmission Tightening Specifications refer to TRANSMISSION TIGHTENING SPECIFICATIONS [0AW] .
- Transmission/engine/power steering pump bolt.
Bolt
- 25 Nm
Seal
- Always replace if removed.
Union Nut
- 38 Nm
Pressure Line
CAUTION:
- Insert the pressure line completely when installing.
- Observe installation position: The angle between the line connection and power steering pump axle is approximately 60°.
Intake Hose
- The marking "P" on the suction hose -arrow- must align with the formed seam -arrow- on the power steering pump.
Clamp
- Tighten using the hose clamp pliers:V.A.G 1275 .
- Always replace if removed.