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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 504 (Steering (Sedan)) >> 48 Steering >> Power Steering Hydraulics >> Vane Pump, Removing And Installing >> Power Steering Pump, Removing And Installing, 8-Cylinder FSI, With Dynamic Steering >> Removing

Power Steering Pump, Removing And Installing, 8-Cylinder FSI, With Dynamic Steering: Removing

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-- Place the vehicle on a hoist.

-- Extract the hydraulic fluid from the reservoir using Used Oil Collection and Extraction Unit SMN372500.

-- Clamp off the evacuation hose -1- and return hose -2- using the Hose Clamps - Up To 25mm 3094.

Fig 1: Locating Suction & Return Hose Clamping Location
GWWA48-10368Courtesy of AUDI OF AMERICA, LLC
CAUTION:
  • The Hose Clamps - Up To 25mm 3094 must not be secured on the return hose -2- near the check valve area. Otherwise the check valve will be damaged.
  • The check valve is located in the return hose -2- between the hose clamps -arrows-.

-- Remove the noise insulation. Refer to OVERVIEW - NOISE INSULATION .

-- Lower the subframe. Refer to SUBFRAME WITHOUT STEERING GEAR, REMOVING AND INSTALLING .

-- Remove heat shield for left drive axle -arrows-.

Fig 2: Driveshaft Heat Shaft
GWWA37-0630Courtesy of AUDI OF AMERICA, LLC

-- Place the Shop Crane - Drip Tray VAS6208 underneath.

-- Remove the clamp -2- from the intake hose -1- and remove the intake hose -1- from the power steering pump.

Fig 3: Identifying Intake Hose -1-, Clamp -2-, Union Nut -3-, Pressure Line -4- & Bolts -5- & Bolt -6-
GWWA48-10405Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector (not illustrated) on the regulator valve.

-- Remove the union nut -3- and remove the pressure line -4- from the power steering pump.

-- Remove the bolts -5- and the bolt -6-.

-- Remove the power steering pump with input shaft.

-- If necessary, remove the power steering pump input shaft -arrow- from the engine by hand.

Fig 4: Identifying Power Steering Pump Input Shaft -Arrow-
GWWA48-10307Courtesy of AUDI OF AMERICA, LLC

-- If the power steering pump -1- is replaced, the seal -2- and input shaft -3- must also be replaced.

Fig 5: Identifying Power Steering Pump, Seal & Input Shaft
GWWA48-10251Courtesy of AUDI OF AMERICA, LLC

-- Replace the power steering pump seal and o-ring -arrow-. .

Fig 6: Checking Power Steering Pump Input Shaft O-Ring
GWWA13-0763Courtesy of AUDI OF AMERICA, LLC