Operation CHARM: Car repair manuals for everyone.

Road Test


ROAD TEST
Use the following flow chart to determine if a vehicle pull is most likely caused by steering pull or torque steer. Perform road test on a flat level road and with minimum wind conditions.





Drive-Steady Speed: 72 - 88 km/h (45 - 55 mph) in drive Maintaining a steady speed
Neutral-Coast: 72 - 88 km/h (45 - 55 mph) in neutral Coasting

CHART I





FRONT WHEEL DRIVE STEERING PULL CORRECTION CHART

CHART II





FRONT WHEEL DRIVE TORQUE STEER CORRECTION CHART

CHART III





FRONT WHEEL DRIVE WANDER CORRECTION CHART





VIBRATION COMPLAINT