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)

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Alignment Settings

Wheel Alignment Specifications







Test Conditions for Chassis/Wheel Alignment Check

Observe the following test conditions prior to the chassis/wheel alignment check:
1. Correct and identical rim and tyre sizes.
2. Correct tread depth. The tread depth for each axle may differ from left to right by max. 3-4 mm.
3. Correct tyre inflation pressure (see instruction plate on car).
4. Wheel bearing clearance OK
5. Steering backlash OK
6. Condition of suspension and shock absorbers OK
7. Cars with ride level control: Pull fuse of air supply unit so that there is no controlling up or down.