Home Steering Power Assist Systems POWER STEERING SYSTEM
Last Modified: 11-27-2007 1.6 T
Service Category: Steering Section: Power Assist Systems
Model Year: 2008 Model: LX570 Doc ID: RM000002GX000FX
Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: PROBLEM SYMPTOMS TABLE (2008 LX570)

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Power Steering System

Symptom

Suspected Area

See page

Hard steering

Tires (Improperly inflated)

TIRE / WHEEL: TIRE AND WHEEL SYSTEM: INSPECTION (2008 LX570)

Power steering fluid level (Low)

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: ON-VEHICLE INSPECTION (2008 LX570)+

Drive belt (Loose)

3UR-FE ENGINE MECHANICAL: DRIVE BELT: ON-VEHICLE INSPECTION (2008 LX570)

Front wheel alignment (Incorrect)

ALIGNMENT / HANDLING DIAGNOSIS: FRONT WHEEL ALIGNMENT: ADJUSTMENT (2008 LX570)

Steering system joints (Worn)

-

Suspension arm ball joints (Worn)

FRONT SUSPENSION: FRONT LOWER SUSPENSION ARM: INSPECTION (2008 LX570)+

Steering column (Binding)

-

Power steering vane pump

POWER ASSIST SYSTEMS: VANE PUMP: INSPECTION (2008 LX570)

Power steering gear

STEERING GEAR / LINKAGE: STEERING LINKAGE: INSPECTION (2008 LX570)

Poor return

Tires (Improperly inflated)

TIRE / WHEEL: TIRE AND WHEEL SYSTEM: INSPECTION (2008 LX570)

Front wheel alignment (Incorrect)

ALIGNMENT / HANDLING DIAGNOSIS: FRONT WHEEL ALIGNMENT: ADJUSTMENT (2008 LX570)

Steering column (Binding)

-

Power steering gear

STEERING GEAR / LINKAGE: STEERING LINKAGE: INSPECTION (2008 LX570)

Excessive play

Steering system joints (Worn)

-

Suspension arm ball joints (Worn)

FRONT SUSPENSION: FRONT LOWER SUSPENSION ARM: INSPECTION (2008 LX570)+

Intermediate shaft, sliding yoke (Worn)

-

Front wheel bearing (Worn)

AXLE AND DIFFERENTIAL: FRONT AXLE HUB: ON-VEHICLE INSPECTION (2008 LX570)

Power steering gear

STEERING GEAR / LINKAGE: STEERING LINKAGE: INSPECTION (2008 LX570)

Abnormal noise

Power steering fluid level (Low)

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: ON-VEHICLE INSPECTION (2008 LX570)

Steering system joints (Worn)

-

Power steering vane pump

POWER ASSIST SYSTEMS: VANE PUMP: INSPECTION (2008 LX570)

Power steering gear

STEERING GEAR / LINKAGE: STEERING LINKAGE: INSPECTION (2008 LX570)