Just a couple of hours before Sunday's Canadian Grand Prix it was revealed that Mercedes had been forced to strip down Lewis Hamilton's car that morning following a hydraulics scare. In the latest Pure Pitwall video, trackside engineering director Andrew Shovlin, reveals the issue first became apparent after qualifying. 'We had some issues with Lewis's car before the race and this actually became apparent after qualifying,' he says. 'We dropped the floor and noticed there was some oil on the floor, so somewhere there was a leak. We could also see on the data we were losing some hydraulic pressure. 'The issue is that the cars are then in parc ferme overnight,' he continues, 'so we are not...
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