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F1 Malaysian GP: Mercedes reveals cause of Hamilton engine failure

Mercedes reveals the cause of Lewis Hamilton's engine failure during the Malaysian GP and will introduce 'revised running parameters' in Japan.
Mercedes has revealed a 'big-end bearing failure' was to blame for Lewis Hamilton's dramatic exit from the Malaysian Grand Prix following an engine blow.

The defending champion was leading comfortably in Sepang when his ICE expired at the start of lap 61 having completed a relatively meagre 618km since it was first installed.

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Following thorough investigations, Mercedes has revealed a 'big-end bearing failure' caused the engine to blow, preceded by a loss of oil pressure at Turn 15 (the final corner) only seconds earlier. Prior to this Mercedes says it had no warning the engine was about to let go.

As a result, Mercedes will introduce safeguards this weekend as it continues to understand what led to the failure, with 'revised running parameters' introduced for all Mercedes engine customers this weekend.

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Though Mercedes does not go into detail about this, it says it is a 'reactive follow-up to further questions to include but not limited to a different, more conservative oil specification.

In addition, planned new engines for five customer drivers this weekend have been delayed to aid the learning process and will continue to use their power units from Malaysia.

Hamilton – who comes into the this weekend chasing a 23 point deficit to Nico Rosberg – will revert to his engine from the Singapore Grand Prix and Rosberg will stick to his Malaysian GP power unit.

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HRC

October 06, 2016 12:44 PM

Richard, on the contrary you need to read it again! Mercedes clearly blame a big end bearing for the unit blowing, preceded by a drop in oil pressure. As i said, the low oil pressure was probably an effect of the bearing collapsing, not the other way around. If you knew anything about engineering you would agree.

HRC

October 06, 2016 1:39 PM
Last Edited 294 days ago

Madh4tt3r Nowhere do Mercedes blame low oil pressure as the cause for the bearing failure in this article or anywhere else for that matter. In fact they state the oil pressure was fine until the last corner. The simple fact is a collapsing big end bearing would show up as a loss in oil pressure before the engine expired, which is exactly what they are saying. They have put measures in place including a different spec of oil simply because they do not know (at this point in time) why the bearing failed. But i can pretty much guarantee you, it was not because of low oil pressure.



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