Listen to this article On the back of an encouraging week in the first pre-season test in Barcelona, McLaren has endured a more difficult time at Sakhir after struggling with overheating brakes. The team could not find a cure for the problem at the track, and that meant that Lando Norris has been restricted in how long his runs can be during the first two days. McLaren’s factory has been mobilised to manufacturer revised brake ducts to try to improve thermal management, with it hoped the new parts can be ready in time to fly out to Bahrain before Saturday’s final day of action. Team principal Andreas Seidl admitted that it was not as easy situation for the team. “After the good test we had in Barcelona, this first one-and-a-half days here definitely did not go to plan,” he said on Friday. “We have unexpectedly an issue with the front axle with the brake, which we have to solve. So [it’s] a race against time at the moment in order to get upgraded parts. “We will make steps with modifications that we could do here in the track, which still allow us to work on the car, working on the understanding of the car as well. We could run some small upgrades on the car as well, in …