Following his dramatic chase of Fernando Alonso and drive to second place in Malaysia three weeks ago, Sergio Pérez found himself with a selection of gremlins to deal with as Chinese Grand Prix practice took place on Friday.
The Mexican ended his day in 11th position, four positions and half a second slower than Sauber team-mate Kamui Kobayashi.
“The balance of my car had actually been better in the first free practice session compared to the afternoon,” the 22-year-old began.
“I wasn’t too happy in the second free practice. I had problems with the brakes, which didn’t work the way they should, and I lost too much front tyre temperature on the back straight. It was too easy to lock the front.
“We need to improve the car’s overall balance for qualifying. We have a bit of homework now, but we have gathered quite a good amount of data.”
During the afternoon session, Pérez also suffered a huge vibration which was visually evident as his entire nose cone shook violently. Several minutes later, Sauber confirmed that this was due to no more than a flat-spotted tyre.
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| Pos. | Driver | Team | Time | Laps |
|---|---|---|---|---|
| 1. |  M. Schumacher | Mercedes | 01:35.973 | 32 |
| 2. | L. Hamilton | McLaren | 01:36.145 | 29 |
| 3. | S. Vettel | Red Bull | 01:36.160 | 27 |
| 4. | M. Webber | Red Bull | 01:36.433 | 24 |
| 5. | N. Rosberg | Mercedes | 01:36.617 | 31 |
| 6. | J. Button | McLaren | 01:36.711 | 28 |
| 7. | K. Kobayashi | Sauber | 01:36.956 | 28 |
| 8. | P. di Resta | Force India | 01:36.966 | 31 |
| 9. | N. Hulkenberg | Force India | 01:37.191 | 31 |
| 10. | F. Alonso | Ferrari | 01:37.316 | 32 |
| Full results | ||||
| Sergio Perez | |||
|---|---|---|---|
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| More Sergio Perez photos | |||
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