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

Test Requirements


Test requirements:
- Check suspension, wheel bearing, steering and steering linkage for excessive play and damage.
- Tread depth difference of no more than 2 mm on an axle.
- Tires inflated to correct pressure
- Vehicle unloaded
- Fuel tank must be full
- Spare wheel and vehicle tools are stowed at correct installing locations
- The fluid reservoir for the windshield/headlight washer system must be full.
- Make sure that the sliding plates and turn tables are not touching the end stop when checking the wheel alignment.

Please note!
- The test equipment must be properly adjusted and attached to the vehicle; observe device manufacturer's operating instructions.
- Apply to the manufacturer of your vehicle alignment equipment for training as and when required.
- Vehicle alignment platforms and vehicle alignment units/vehicle alignment computers can lose their calibration over a period of time.
- Vehicle alignment platforms and vehicle alignment units/vehicle alignment computers should be checked and if necessary adjusted within the framework of an inspection/maintenance at least once a year!
- Treat these highly sensitive units carefully and conscientiously!