Automobile Engineering in ME
When the brake pedal free play is less than the specified value, then the

Antilock braking system malfunctions
Brake fades
Vapour locking occurs in the brake lines
Brake drags

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Automobile Engineering in ME
The function of an oil control orifice is that it

Returns cylinder head lubricating oil to the oil pan at high speed
Turns oil into fine mist for spray lubrication
Regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes
Removes impurities from cylinder head lubricating oil

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Automobile Engineering in ME
The main feature of Macpherson strut suspension is that

Non vertical external forces are supported by the suspension arms
The unsprung mass in lighter
The assembly is slightly more complicated in design
The vertical size of the suspension can be made more compact

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