Checking components of ATF pump for grooves and signs of wear

WARNING: This page is about a different car, the 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: ATF Pump Component, Overview

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Check contact surfaces of the following components for grooves and signs of wear:

2 - ATF pump housing

3 - Ring gear

4 - ATF pump wheel

5 - Intermediate panel

Surfaces of contact surfaces must be matt or shiny but without any sign of groove.

NOTE:

A malfunctioning ATF pump will cause delays in drive and shifting procedures.