Chevrolet Sonic Repair Manual: Lead/Pull Description

Chevrolet Sonic Repair Manual / Chassis / Wheels/Tires / Wheels / Lead/Pull Description

At a constant highway speed on a typical straight road, lead/pull is the amount of effort required at the steering wheel to maintain the vehicle's straight path.

Important:

Vehicles will tend to lead/pull in the direction of the road slope as part of normal operation.

Lead/pull is usually caused by the following factors:

Road slope
Variability in tire construction
Wheel alignment (front cross caster and camber)
Unbalanced steering gear
Electronic Power Steering (EPS) steering position and torque sensors not calibrated correctly, if equipped.

Hub/Axle Flange and Wheel Stud Runout Inspection

Special Tools GE-8001 Dial Indicator Set , or equivalent Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Mark the location of the wheels to the wheel studs and mar ...

Metric Wheel Nuts and Bolts Description

Metric wheel/nuts and bolts are identified in the following way: The wheel/nut has the word Metric stamped on the face. The letter M is stamped on the end of the wheel bolt. The thread sizes ...

Other materials:

USB Port
The USB Port, if equipped, is in the storage area to the right of the infotainment system. See Overview (Radio with Touchscreen) or Overview (AM-FM Radio) or Overview (Radio with CD/USB). Portable devices are controlled by using the menu system described in Operation. 1. 3.5mm (1/8 ...

Door Lock and Ignition Lock Folding Key Blade Removal and Installation
Special Tools BO-51098 Flip Key Blade Fixture For equivalent region tools, refer to Special Tools. Caution: Failure to properly support the Remote Keyless Entry (RKE) transmitter assembly while replacing the key blade may cause internal damage to the transmitter assembly. ...

Brake Pedal Travel Measurement and Inspection
Special Tools CH-28662 Brake Pedal Effort Gauge For equivalent regional tools, refer to Special Tools. With the ignition OFF and the brakes cool, apply the brakes 3–5 times, or until the brake pedal becomes firm, in order to deplete the brake booster power reserve. In ...

0.0049