Hydraulic Pump Overview: Notes
WARNING: This page is about a different car, the 2024 Audi S6 and 2024 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Power steering hydraulic system operates with power steering fluid, Part No. G 002 000.
- Pressure hose
- Disconnect to check pump pressure
- To replace, remove brake booster
- Note different types of O-rings and copper seals
- Bolt/washer assembly
- 10 Nm (7 ft lb)
- Mounting hole on intake manifold
- To mount pressure hose
- Hydraulic pump
- Check supply pressure HYDRAULIC PUMP SUPPLY PRESSURE, CHECKING
- Do not repair
- Before removing suction and pressure hoses from pump, install hose clamps, Snap-On Model YA2850 or equivalent, to suction and pressure hoses
- Before installing hose on the suction side, fill pump with power steering fluid and turn by hand until fluid comes out of pressure side
- Pulley
- Remove to remove hydraulic pump, by loosening tension on ribbed belt Fig. 1 Loosening ribbed belt
- Bolt
- 25 Nm (18 ft lb)
- Loosen before removing pump
- Bolt/washer assembly
- 25 Nm (18 ft lb)
- Bolt
- 25 Nm (18 ft lb)
- Bracket for hydraulic pump
- To remove pump, remove bolt/washer assemblies -7- and bolt/washer assemblies -17- so pump can be removed together with bracket
- Sliding bushing installed on left is eliminated, along with bolt -18-, starting with VIN...PN 009 632 (1993 m.y.)
- Ignition coils with bracket
- Disconnect ignition wires from Ignition coils and remove from bracket for hydraulic pump
- Bolt
- 25 Nm (18 ft lb)
- Remove and take off bracket with Ignition coils
- Banjo bolt
- 50 Nm (37 ft lb)
- Note different types of O-rings and copper seals
- O-rings/copper seals
- Always replace
- Install O-rings on both sides in the ring piece of pressure hose
- O-rings/copper seals
- Always replace
- Install on tube fitting
- Tube fitting
- 50 Nm (37 ft lb)
- Install in pump
- Note different types of O-rings and copper seals
- Hose clamps
- Bolt/washer assemblies
- 25 Nm (18 ft lb)
- Bolts
- Eliminated on left side (from direction of travel) along with sliding bushing, starting with VIN PN 009 632 (1993 m.y.)
- Bracket
- Mounted on cylinder head
- Suction hose
- Mount, with attached bracket, on bracket -19-
- Bolt/washer assembly
- 10 Nm (7 ft lb)