Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
High speed
At about 22 km/h (13.5 mph), the TCS function changes its way of working and starts to modulate using engine torque limitation of the wheel that first starts to spin, i.e. the wheel with the lowest friction.
The limit for modulation by brake application lies somewhat higher, which is to say that braking is used on the spinning wheel when engine torque limitation is inadequate.
Braking is used at speeds up to 100 km/h (62 mph).
Primary limitation of engine torque means that no extra tractive force is transferred to the outer wheel when cornering. The outer wheel then has a sufficient margin of grip to take up steering forces to the full. The driver avoids being taken by surprise as the front wheels suddenly lose traction.
At about 22 km/h (13.5 mph), wheelspin is allowed to reach 2 km/h (1.2 mph) or about 9%. After that, the curve rises in a straight line to 150 km/h (93 mph) where a wheelspin of 5.2 km/h (3.2 mph) or about 3.5% is allowed. At 150 km/h (93 mph), the curve breaks again and permissible wheelspin will follow the increase in speed proportionally at about 3.5%.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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