Power steering pump (vehicles with 8-cylinder gasoline engine with chain drive), removing and installing
WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Special tools, testers and auxiliary items required
- Engine support bridge 10-222 A
- Oil extractor V.A.G 1358 A or used oil collection and extraction device V.A.G 1782
Removing
- Remove power steering hydraulic oil from reservoir using V.A.G 1358 A or V.A.G 1782.
- Remove engine cover.
- Position support bridge 10-222 A on bolted fender edges.
- Engage support bridge hooks on engine lifting eyes.
- Tension engine slightly with support bridge spindle but do not lift.
- Remove from left wheel.
- Loosen quick-release connectors - 1 - , remove screws - 2 - and remove noise insulation.
- Remove left drive axle heat shield - arrows -.
- Remove left and right stabilizer bar bracket nuts - 1 - to - 4 -.
- Remove nuts - 2 -.
- Remove bolts - 1 - and - 3 - and remove left engine console.
- Remove left coolant line bracket - arrows -.
- Disconnect electrical connector - 1 - at left engine mount.
- Remove nut - 2 - and remove engine mount. (If nut - 2 - cannot be loosened due to poor accessibility, skip this step)
NOTE:
- Shown in illustration with engine removed.
- Remove bolts - 1 - and - 2 -.
- Remove return pipe from power steering pump - arrow -.
- Remove left engine support - arrows -.
- Remove hydraulic pressure line at power steering pump - arrow -.
- Lay aside hydraulic pressure line.
- Remove bolt - 3 -.
- Remove bolts - 1 - and - 2 - and remove power steering pump.
NOTE:
- When removing power steering pump, note location of input shaft.
Installing
When installing, note the following:
- Clean oiled places in engine compartment.
- Before installing new pump on intake side, fill hydraulic oil and screw in by hand until oil escapes on pressure side.
- O-rings on power steering pump input shaft must be replaced.
- Replace sealing rings.
On vehicles that did not have spring - 6 - installed, repair kit with spring cannot be installed.
- Complete power steering pump as shown in illustration and install engine.
1 - Power steering pump
2 - O-Ring
3 - Sleeve
4 - O-Ring
5 - Input shaft
6 - Spring
7 - Buffer stop
- Secure all hose connections with hose clamps appropriate to the model
- Install engine console and tighten subframe → Component, assembly overview .
- Install stabilizer bar → Stabilizer bar, removing and installing .
- Check power steering fluid level → Power steering fluid level, checking .
- Bleed steering system → Steering system, bleeding after reconstructing
- Checking steering system for proper seal → Steering system, checking for leaks
Torque specifications
| Component | Nm | ||||
|---|---|---|---|---|---|
| Power steering pump to engine | M8 | 22 | |||
| M12 | 65 | ||||
| Engine supports to cylinder block | 42 | ||||
| Coolant line bracket to | |||||
| Upper part of oil pan | 10 | ||||
| Bracket | 10 | ||||
| Hydraulic pressure line to power steering pump | 50 | ||||
| Return line | Engine support | 10 | |||
| to | Coolant line | 10 | |||
| Engine mount | Engine support | 23 | |||
| to | Engine console | 23 | |||
| Drive axle heat shield to transmission | 23 | ||||