Rosa, Trulli and Barrichello were in positions seven to ten. Jos Verstappen's engine failed in his Arrows A22 on the pit lane straight and he took over his teammate Enrique Bernoldi's Arrows car for the final 20 minutes of the session. An unstable rear caused Panis to pirouette into the gravel trap at the Adelaide hairpin. As Räikkönen exited the pit lane, the front wing on his car detached, causing him to oversteer through the gravel trap at Estoril corner and shattering the front wing. It continued to be hot and clear for Saturday morning's two practice sessions. Michael Schumacher increased the performance of his car and was fastest in the third practice session with a lap of 1 minute and 13.729 seconds. He was 0.406 seconds clear of Coulthard in second and third was Ralf Schumacher. Barrichello was fourth-fastest, ahead of Montoya and Trulli in fifth and sixth places. Frentzen, Panis, Villeneuve and Räikkönen followed in the top ten. No incidents were reported during the session although Häkkinen did not record a timed lap. Although he did not improve his lap time Michael Schumacher remained quickest in the fourth practice session, with Ralf Schumacher in second. The two McLarens were third and fourth – Coulthard ahead of Häkkinen – with Trulli improving to fifth and Barrichello fell to sixth. Montoya was seventh-fastest, Sauber's Nick Heidfeld placed eighth, Irvine came ninth and Räikkönen duplicated his third practice session result in tenth ahead of qualifying. Qualifying Saturday's afternoon one hour qualifying session saw each driver was limited to twelve laps, with the grid order decided by their fastest laps. During this session, the 107% rule was in effect, which necessitated each driver to set a time within 107 per cent of the quickest lap to qualify for the race. Weather conditions for qualifying were hot and sunny. Ralf Schumacher twice surpassed the qualifying track record held by the 1992 World Champion Nigel Mansell to claim the first pole position of his career with a 1-minute and 12.989 seconds lap on his second timed lap. He was joined on the grid's front row by Michael Schumacher who was ten-thousandths of a second slower. He was distracted by the Ferrari technical director Ross Brawn over the radio and was later baulked by Trulli on his third timed lap. Coulthard qualified third on his fourth timed run with three minutes left and spoke of