Removing and installing power steering pump - vehicles with 4-cyl. petrol and diesel engine — AUDI

🧭 Before you start

Fits: Audi A6 C5 (4B)

• Opens: power steering fluid
• Special tools named: pin wrench

Don't miss

• Before removing the poly V-belt, mark the direction of rotation. A used belt can break if it runs in the opposite direction. Ensure that the belt is properly seated in the pulleys when installing.
• Depending on version, unbolt steering pump pulley, using pin wrench 3212 to counterhold.
• Marking (P) on suction hose must be aligned with seam on pump.

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Remove noise insulation panel. [Note: Before removing the poly V-belt, mark the direction of rotation. A used belt can break if it runs in the opposite direction. Ensure that the belt is properly seated in the pulleys when installing.]
2. Remove poly V-belt 13.
3. Clamp off suction and return lines using hose clamps3094.
4. Place a drip tray underneath to catch hydraulic fluid.
5. Remove hose clamp from suction hose (1).

6. Disconnect suction hose and move hose to one side.
7. Disconnect expansion hose (2).
8. Use mandrel to secure belt pulley of power steering pump.
9. Unscrew bolts at two-piece belt pulley of coolant pump to the extent required to permit removal of the V-belt.
10. Unscrew the pulleys from the power steering pump. When doing so, provided support with an Allen key w.a.f. 3/8 inch.
11. Depending on version, unbolt steering pump pulley, using pin wrench 3212 to counterhold.
12. Remove bolts (1) and (2).
13. Take out power steering pump.
14. Unscrew the bolted joints (1) of the power steering pump through the holes in the V-belt pulley.
15. Remove bolt -arrow- on back of power steering pump.
16. Take out power steering pump.
17. Tighten banjo bolt for pressure hose (2) to 47 Nm. — 47 Nm (35 lb-ft)
18. Fit suction hose (1).
19. Marking (P) on suction hose must be aligned with seam on pump.
20. Remove hose clamps3094.
21. Fit the poly V-belt Engine, Mechanics; Rep. Gr. 13.
22. Check hydraulic fluid level .
23. Bleed steering system .
24. Checking steering system for leaks

Other AUDI procedures

• Removing and installing toothed belt – Audi · 56 torque figures
• Removing engine – Audi A8 D3 · 41 torque figures
• Removing camshaft timing chain from camshafts – Audi A6/A7 C7 · 38 torque figures
• Installing engine – Audi A8 D4 · 36 torque figures
• Removing and installing camshaft timing chain · 29 torque figures
• Removing and installing turbocharger, "“biturbo engine”", vehicles with four-wheel drive
• Gearbox (four-wheel drive) - code letters, gearbox allocation, ratios, equipment
• Exploded view - condenser, air conditioner compressor, refrigerant lines and expansion valve
• Installing warning lamp for airbag deactivated on front passenger side K145 (from approx. week 23/2004 onwards)
• Removing and installing transfer box – Audi Q7 ABCD