Mercedes changes water pumps after problem

Championship leader Lewis Hamilton will start the Austin race from pole position, with teammate Valtteri Bottas lining up third. Their cars had fresh water pumps fitted for this race, but the component on Bottas's W09 had a leak in qualifying. Data on Hamilton's car also indicated an issue with his pump, according to Mercedes. The team has opted to change them for "old, proven pumps of ... Keep reading