00 00... Steering components: checking for zero clearance, leaks, damage and wear

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

Checking play:

For hydraulically assisted steering systems, the engine must be running
For electrically assisted steering systems, the ignition must be on
Steering wheel:
Move steering wheel back and forth and check for play
Tie rod joint:
There must no clearance between tie rod arm (2) and tie rod joint (1).

Fig 1: Identifying Clearance Between Tie Rod Arm And Tie Rod Joint
Courtesy of BMW OF NORTH AMERICA, INC.

Checking for leaks:

The following illustration shows the arrangement of the power steering components and lines.

Fig 2: Identifying Power Steering Components And Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Check all visible connections, hoses, lines and steering gear for traces of fluid.

Checking for damage and wear:

Check gaiters, flexible disc and axle and tie rod sleeves for damage (e.g. cracks, holes), for leaks or missing clamping bands on gaiters.