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:

Automatic Door Locks
The vehicle is programmed so that when the doors are closed, the ignition is on, and the shift lever is moved out of P (Park) for automatic transmissions, or when the vehicle speed is above 13 km/h (8 mph) for manual transmissions, the doors and the trunk/liftgate will lock. To unlock the doo ...

Strut and Shock Absorber Inspection (Shock Absorber)
Note: The shock absorber assembly DOES NOT have to be removed from the vehicle to perform the following inspection procedure. Note: A light film of oil on the top portion of the lower shock absorber tube is normal. DO NOT replace the shock absorber for this condition. Condition ...

Radiator Outlet Hose Replacement (LDE LUW)
Special Tools BO-38185 Hose Clamp Pliers For equivalent regional tools, Refer to Special Tools. Removal Procedure Drain the cooling system. Refer to Cooling System Draining and Filling. Remove the radiator outlet hose clamp (1) at the engine using BO-38185 ...

0.0059