Chevrolet Sonic Repair Manual: Caster Description
Caster is the tilting of the uppermost point of the steering axis either forward or backward, when viewed from the side of the vehicle. A backward tilt is positive (+) and a forward tilt is negative (−). Caster influences directional control of the steering but does not affect the tire wear . Caster is affected by the vehicle height, therefore it is important to keep the body at its designed height. Overloading the vehicle or a weak or sagging rear spring will affect caster. When the rear of the vehicle is lower than its designated trim height, the front suspension moves to a more positive caster. If the rear of the vehicle is higher than its designated trim height, the front suspension moves to a less positive caster.
With too little positive caster, steering may be touchy at high speed and wheel returnability may be diminished when coming out of a turn. If one wheel has more positive caster than the other, that wheel will pull toward the center of the vehicle. This condition will cause the vehicle to pull or lead to the side with the least amount of positive caster.
Cross Caster is the difference between the left caster value and the right caster value.
Cross caster = L caster − R caster
Camber Description
Camber is the tilting of the wheels from the vertical when viewed from the front
of the vehicle. When the wheels tilt outward at the top, the camber is positive (+).
When the wheel tilts ...
Fastener Tightening Specifications - Wheels
Fastener Tightening Specifications
Application
Specification
Metric
English
Clamp Fit TPM Stem Lock ...
Other materials:
Customer Assistance Office
Chevrolet encourages customers to call the toll-free number for assistance. However,
if a customer wishes to write or e-mail Chevrolet, the letter should be addressed
to:
United States and Puerto Rico
Chevrolet Motor Division
Chevrolet Customer Assistance Center
P.O. Box 33170
Detroit, MI 4 ...
Immobilizer System Component Programming
This procedure will learn the immobilizer function. If the battery voltage is
low, charge the battery before proceeding with the learn. If the body control module
(BCM) or engine control module (ECM) have been replaced, they must be programmed
before performing this learn procedure.
Dependin ...
Drive and Driven Sprocket, Drive Link, and Park Pawl Removal (6T40/45/50)
Drive and Driven Sprocket, Drive Link, and Park Pawl Removal
Callout
Component Name
1
Drive Link Lube Scoop
2
Drive Link Lube Scoop Seals
3
Drive Link Lube Fluid Se ...
0.007