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:

Sunroof
On vehicles with this feature, the sunroof only operates when the ignition is turned to ON/RUN or Retained Accessory Power (RAP) is active. Open/Close: To open the sunroof, press and hold the rear of the switch. To close the sunroof, press and hold the front of the switch. Vent: Press and ho ...

If the Off Indicator Is Lit for an Adult-Size Occupant
If a person of adult size is sitting in the front outboard passenger seat, but the off indicator is lit, it could be because that person is not sitting properly in the seat. Use the following steps to allow the system to detect that person and enable the front outboard passenger frontal airb ...

Battery Positive and Negative Cable Replacement
Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the fuse block and battery positive cable cover. Remove the battery tray. Refer to Battery Tray Replacement. Remove the battery posit ...

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