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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Road Test, Performing






Road Test, Performing

The following checks depend on the vehicle equipment level and the available testing possibilities (city or rural).

During the road test, check the following:

- Engine: performance, stalling, idle, acceleration

- Clutch: starting, pedal force, smell

- Shifting: ease of movement, shift lever position

- Automatic transmission: selector lever position, shift lock/ignition key interlock, shift behavior, instrument cluster display

- Foot and parking brake: function, free travel and effectiveness, pulling to one side, rubbing, squeaking

- ABS function: when braking with activated ABS, the brake pedal must pulse noticeably.

- Steering: function, steering travel, steering wheel center position when driving straight ahead.

- Sunroof: function

- Radio/radio-navigation system: functionality, reception, speed compensated volume, objectionable noise

- Multi-function display: functions

- A/C system: Checking Functionality (At low temperatures, test the air conditioning function in the workshop)

- Vehicle: pulling to one side while driving straight ahead (level road)

- Imbalance: wheels, driveshafts, propshaft

- Wheel bearing: noises

- Engine: warm starting behavior