Haas team principal Guenther Steiner says the team lacked pit stop practice at the season-opening race in Australia due to having 'too much' work to do on the car, which led to a double retirement as both Romain Grosjean and Kevin Magnussen were sent out with loose wheels. The pair were fighting for fourth and fifth when, during their first stop, the wheel nut on Magnussen's left-rear became cross-threaded and the same on Grosjean's left-front, but both were sent out before the mistake was realised. Both retired on the spot. With the problem not related to equipment or process, Steiner says the only way to ensure it doesn't happen again is through extra practice in Bahrain. 'As...
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