Power Steering Line/Hose: Service and Repair

Power Steering Pump to Steering Gear Pressure Line

Special Tool(s):

Material:

Removal and Installation

CAUTION: While repairing the power steering system, care should be taken to prevent the entry of contaminants or premature failure of the power steering components can result.

1. WARNING: The electrical power to the air suspension system must be turned off prior to hoisting, jacking or towing an air suspension vehicle. Failure to do so can result in unexpected inflation or deflation of the air springs, which can result in shifting of the vehicle during these operations.

If equipped, turn the air suspension service switch to the OFF position.

2. WARNING: If equipped with fire suppression system, depower the system. For important safety warnings and procedures, refer to Fire Suppression System.

If equipped with fire suppression system, depower the system.
With the vehicle in NEUTRAL, position it on a hoist.
3. Remove the clamp plate bolt and disconnect the steering gear lines.
^ Discard the O-ring seals.
^ To install, tighten to 18 Nm (13 lb-ft).
4. Remove the pressure line bracket-to-engine nut.
^ To install, tighten to 7 Nm (62 lb-in).
5. Disconnect the electrical connector from the power steering pressure switch.
6. Disconnect the pressure line-to-pump fitting.
^ Discard the Teflon O-ring seal.
- To install, tighten to 65 Nm (48 lb-ft).

7. NOTE: When connecting a fitting with an O-ring seal, a new seal must be installed.

To install, reverse the removal procedure.
^ Using the special tool, install a new Teflon O-ring seal on the pressure line-to-pump fitting.
^ Fill and leak check the system.





8. WARNING: If equipped with fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System.

If equipped with fire suppression system, repower the system.
9. If equipped, turn the air suspension service switch to the ON position.