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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Brakes and Traction Control: Testing and Inspection

34 00 009 Checking brakes on test stand

Note:
1. Check tires for damage
2. Check tire treads
3. Check tire pressures





On cars equipped with ASC or DSC, the system must be deactivated with the switch. ASC/DSC indicator lamp in instrument cluster must light up!

The brakes must be at normal operating temperature. To achieve this, brake the car several times to slightly warm and dry brake disks.

Caution:
You should only use brake dynamometers whose test speed is < 5 km/h.

You must follow without fail the guidelines contained in the operating instructions of the relevant test stand manufacturer.

Failure to do so may result in damage to the vehicle and the system and also personal injury.