The power steering pressure line is grounding out.

Inspect the power steering pressure line. Verify that the following conditions exist:

Refer to Power Steering Pressure Pipe/Hose Replacement .

The rack bearing preload is misadjusted.

Adjust to specifications.

Refer to Steering Gear Rack Bearing Preload Adjustment - Off Vehicle .

The power steering gear is loose.

Tighten the power steering gear mounting bolts to specification.

Refer to Steering Gear Replacement .

The tie rod ends are loose.

Inspect the tie rod ends, replace as necessary. Refer to Rack and Pinion Outer Tie Rod End Replacement .

The intermediate steering shaft universal joints are loose.

Inspect the intermediate steering shaft universal joints, replace as necessary. Refer to the following: