Poor Directional Stability. Chevrolet Chevy Suburban

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy Suburban - 2WD 🢒 Suspension 🢒 Suspension General Diagnosis 🢒 Poor Directional Stability

Checks

Action

Lack of lubrication of the steering linkage

Lubricate the linkage. Refer to Fluid and Lubricant Recommendations in Maintenance and Lubrication.

Low or uneven tire pressure

Inflate the tires to the recommended pressure. Refer to Tire Inflation Description in Tires and Wheels.

Loose wheel bearings

Adjust or replace the wheel bearings.

•	For 2WD, refer to Front Wheel Hub, Bearing, and Seal Replacement in Front Suspension.

•	For 4WD, refer to Front Wheel Hub, Bearing, and Seal Replacement in Front Suspension.

•	For C3500HD, refer to Front Wheel Hub, Bearing, and Seal Replacement in Front Suspension.

Incorrect front wheel alignment (caster)

Check and align the front suspension. Refer to Wheel Alignment Measurement in Wheel Alignment.

Broken springs

Replace the springs.

•	For 2WD, refer to Front Coil Springs Replacement in Front Suspension.

•	For C3500HD, refer to Leaf Springs Replacement in Front Suspension.

Malfunctioning shock absorber

Check and replace the shock absorber.

•	For 2WD, refer to Shock Absorber Replacement in Front Suspension.

•	For 4WD, refer to Shock Absorber Replacement in Front Suspension.

•	For C3500HD, refer to Shock Absorber Replacement in Front Suspension.

Broken stabilizer shaft or a missing link

Replace the stabilizer shaft or link.

•	For all except C3500HD, refer to Stabilizer Shaft Replacement in Front Suspension.

•	For C3500HD, refer to Stabilizer Shaft Replacement in Front Suspension.