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Our pictorials are of informative nature and do illustrate works carried out by ourselves at our own premises for our own use and satisfaction.
Readers who envisage to carry out similar works inspired by the below method shall do this at their own risks and liability.
What is the break in period of a new car?
A new car requires a few driving precautions during the first thousands of km in order to let the engine moving parts progressively "fit well" for their intended use.
This is particularly true for the piston rings which have a sliding movement and consequent important friction on the engine cylinders.
Rotating parts are concerned less critically during this period of break-in, also called mechanical run-in.
The below advice remains valid for recent cars and engines meaning new cars still require this break in period unlike what many wrongly believe.
This is particularly true for the piston rings which have a sliding movement and consequent important friction on the engine cylinders.
Rotating parts are concerned less critically during this period of break-in, also called mechanical run-in.
The below advice remains valid for recent cars and engines meaning new cars still require this break in period unlike what many wrongly believe.
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First 1000 km of a new car - What to do and how to drive
- Keep your engine running below 2500 rpm except when overtaking other vehicles i.e. for a few seconds.
- Drive as much as possible between 1100 and 1800 rpm
- Do not drive at constant speed on highways. Keep varying your vehicle speed every 2 to 3 minutes between 60 Km/h and 90 Km/h. Drive a little at 60, then a little at 80, then at 70 and so on.
- If possible use the vehicle on the longest trips.
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New car driving: what to do between 1000 and 3000 km
- Increase progressively the engine speed to 2500 and 3000 rpm when driving
Other precautions to observe during the run in period of a new car:
- It is advised not to warm up the engine without driving the vehicle. Just make sure to drive gently until the engine is warm. This remains valid all along your vehicle's lifetime.
- You can use the A/C during the break-in as long as you keep your engine revolutions below 2500 rpm.
- An engine will not deliver its full power prior to the km 5000-6000.
- Avoid sudden and strong braking the first 100 Km.
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