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
If it fails: lemon-manuals.org.ua

Or, hide this message: temporarily or permanently

Wheel Alignment Prerequisites






Wheel Alignment Prerequisites

Suspension, wheel bearing, steering and steering linkage checked for excessive play and damage.

Tread depth difference may be no more than 2 mm on an axle.

Tires inflated to prescribed pressure.

Curb weight of vehicle.

Fuel tank must be full.

Spare tire and vehicle tools are installed in appropriate position in vehicle.

The water container for the windshield/headlamp cleaning system must be full.

Be sure that sliding plates and turn tables are not touching end stop when checking wheel alignment


Test equipment must be properly attached and adjusted; observe equipment manufacturer's instructions!

If necessary, contact manufacturer for familiarization with the proper use of the equipment.

After a certain period, wheel alignment platforms and computer equipment can lose their original leveling setting and adjustments.

Wheel alignment platforms and wheel alignment analyzer/computer should be serviced and calibrated at least once a year.

- Treat these highly sensitive units carefully and conscientiously!