Power steering

Inspection

~1min read

1. INSPECT POWER STEERING RACK

INSPECT POWER STEERING RACK

(a) Using a dial indicator, check the power steering rack for runout and for teeth wear and damage.

Maximum runout: 0.3 mm (0.012 in.) If necessary, replace the rack & pinion power steering gear assembly.

(b) Check the back surface for wear and damage.

If necessary, replace the rack & pinion power steering gear assembly.

2. INSPECT TIE ROD ASSEMBLY LH

 INSPECT TIE ROD ASSEMBLY LH

(a) Secure the tie rod assembly in a vise.

(b) Install the nut to the stud bolt.

(c) Flip the ball joint stud back and forth 5 times.

(d) Using a torque wrench, turn the nut continuously at a rate of 3 to 5 seconds per turn and take the torque reading on the 5th turn.

Torque: Turning torque 0.83 to 3.43 N*m (8.5 to 35.0 kgf*cm, 7.3 to 30.4 in.*lbf)

3. INSPECT TIE ROD ASSEMBLY RH

HINT: Perform the same procedure on the other side.

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.