Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

General Description

Wheel alignment refers to the angular relationship between the following:
- The wheels
- The suspension attaching parts
- The ground

Four Wheel Alignment
Perform a complete wheel alignment check whenever a service check is deemed necessary. This check includes the measurement of all four wheels. The fuel economy and the tire life increases when the vehicle is geometrically aligned. Additionally, the steering and the performance maximize. Refer to Front Wheel Driveline Vibrations in Vibration Diagnosis and Correction under Steering and Suspension Testing and Inspection.