Mechanics on the Mercedes team have confirmed that a small problem needed fixing on both of the cars after qualifying, as the water pumps were replaced as a precautionary measure. A mechanic was quoted by F1only.fr talking about the detection of a potential problem on both W09 cars which could play up during the race. "The water pumps on both cars were changed as a precaution because we detected a problem," an unnamed mechanic explained. "We detected a leak on Bottas' car yesterday in qualifying, so we decided to change the pump on Lewis's car as well. "They [water pumps] were new, but we are currently building old, proven pumps with the same spec."...
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