Steering System, Checking for Leaks

Steering System, Checking for Leaks

• Following installation operations and with no hydraulic fluid in the expansion tank, the steering system must be checked for leaks.

Affects Vehicles with Air Suspension

- Place the vehicle on a hoist. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.

Affects All Vehicles

- Remove noise insulation.

- Start engine.

- Turn steering wheel in both directions to full lock and hold briefly.

This builds up the maximum possible pressure.

• To avoid damage to pump, steering wheel must not be held at stop longer than 10 seconds during this test.

In this position, the following components must be checked for leaks.

• Seal ring for steering pinion at the steering gear valve housing.

• All line connections.

• Seal rings for steering rack.

This test can only be performed with bellows slid back.

- Open the spring clamp and ear hose clamp on the boot.

- Slide back bellows.

If fluid is visible in steering gear housing and/or in bellows, steering gear must be replaced.

- Place vehicle on wheels. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.