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:

Replacing Airbag System Parts after a Crash
Warning: A crash can damage the airbag systems in the vehicle. A damaged airbag system may not work properly and may not protect you and your passenger(s) in a crash, resulting in serious injury or even death. To help make sure the airbag systems are working properly after a crash, have ...

Tire and Wheel Balancing (Road Force Variation (RFV))
ALL wheel/tire assemblies must have a RFV within spec before being mounted on vehicle. Important: If a wheel/tire assembly is not within the RFV specification after match mounting, the tire must be returned to the tire manufacturer. DO NOT install tire/wheel assembly on a vehicl ...

Timing Belt Tensioner Installation
Special Tools EN-45059 Angle Meter Clean the timing belt tensioner thread. Install the timing belt tensioner (2). Caution: Refer to Fastener Caution. Caution: Refer to Torque-to-Yield Fastener Caution. Install a NEW timing belt tensioner bolt (1) a ...

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