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HUB/BEARING DESCRIPTION The bearing used on the front hub of this vehicle is the combined hub and bearing unit type assembly. replaceable component of the hub/bearing assembly. OPERATION The hub/bearing assembly is mounted to the steer- ing knuckle and is retained by three mounting bolts DIAGNOSIS AND TESTING SUSPENSION AND STEERING SYSTEM CONDITION POSSIBLE CAUSES CORRECTION FRONT END NOISE 1. Loose or worn wheel bearings. 1. Adjust or replace wheel bearings. 2. Loose or worn steering or 2. Tighten or replace components as EXCESSIVE PLAY IN 1. Loose or worn wheel bearings. 1. Adjust or replace wheel bearings. 2. Loose or worn steering or 2. Tighten or replace components as 3. Loose or worn steering gear. 3. Adjust or replace steering gear. FRONT WHEELS SHIMMY 1. Loose or worn wheel bearings. 1. Adjust or replace wheel bearings. 2. Loose or worn steering or 2. Tighten or replace components as 3. Tires worn or out of balance. 3. Replace or balance tires. 4. Alignment. 4. Align vehicle to specifications. 5. Leaking steering dampener. 5. Replace steering dampener. VEHICLE INSTABILITY 1. Loose or worn wheel bearings. 1. Adjust or replace wheel bearings. 2. Loose or worn steering or 2. Tighten or replace components as 3. Tire pressure. 3. Adjust tire pressure. 4. Alignment. 4. Align vehicle to specifications. EXCESSIVE STEERING 1. Loose or worn steering gear. 1. Adjust or replace steering gear. 2. Power steering fluid low. 2. Add fluid and repair leak. 3. Column coupler binding. 3. Replace coupler. 4. Tire pressure. 4. Adjust tire pressure. 5. Alignment. 5. Align vehicle to specifications. VEHICLE PULLS TO ONE 1. Uneven tire pressure. 1. Adjust tire pressure. 2. Worn brake components. 2. Repair brakes as necessary. 3. Air in brake line. 3. Repair as necessary. 2 - 8 SUSPENSION WJ DESCRIPTION AND OPERATION (Continued) |