Hydraulic booster AUDI A4 2003

OEM: 7690955102 8D0145156T

Disassembled car photo

Engine running

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Details for this exact part

Code
7690955102 8D0145156T
OEM
7690955102 8D0145156T
Condition
Used
Availability
1 in stock - ready to ship
Make, model
AUDI A4 2001-2004
Year
2002
Engine
Diesel 1.9TDI 96KW - AWX
VIN
WAUZZZ8EX2A021885

What is this part and why does it matter?

The power steering pump generates hydraulic pressure to reduce steering effort, driven by the engine’s accessory belt.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

  • Heavy steering effort, especially at low speed or when parking
  • Whining or groaning noise when turning the wheel
  • Fluid leak near the pump

Installation information

Requires draining the power steering fluid before removal — always bleed the system thoroughly after refilling to remove trapped air.

Frequently asked questions

This is a classic symptom of low fluid level, air trapped in the system, or a worn pump — a whining noise specifically when turning (rather than constant) often points to the pump itself struggling under load.

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