McLaren-Honda's troubled pre-season continued on Thursday as the second winter test at Barcelona began. At lunch on day one at the Circuit de Catalunya, Jenson Button's work at the wheel of the MP4-30 was over when a design fault on the 'MGU-K' component of the Honda power unit's energy recovery system was found.
McLaren confirmed that the faulty seal causes the "full replacement of the power unit". And similar problems may strike on Friday, when Fernando Alonso is due to take the wheel. Honda chief Yasuhisa Arai confirmed that the part has to be re-designed, but until that is complete "we may face the same problem when we run again tomorrow". McLaren added on Twitter: "Such issues are all part of testing and we will plan for a productive day of running with Fernando behind the wheel tomorrow." (GMM)
Faulty MGU-K seal ends McLaren's day prematurely
- Published on 19 Feb 2015 15:26
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- By: Rob Veenstra
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Circuit de Catalunya - Winter testing
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Jan 26
I. Hadjar
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M. Verstappen
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A. Antonelli
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L. Hamilton
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Bahrain International Circuit - Winter testing
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Feb 11
L. Norris
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Feb 12
C. Leclerc
- 1:34.273
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Feb 13
A. Antonelli
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Bahrain International Circuit - Winter testing
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Feb 18
G. Russell
- 1:33.459
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Feb 19
A. Antonelli
- 1:32.803
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C. Leclerc
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Formula 1 Calendar - 2026
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Formula 1 Calendar - 2026
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Spain
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Driver profile
- Team Aston Martin
- Points 631
- Podiums 9
- Grand Prix 204
- Country ES
- Date of b. Jul 29 1981 (45)
- Place of b. Oviedo, ES
- Weight 68 kg
- Length 1.71 m
- 188,072 comments on Aston Martin
78 members have this team as their favourite
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Team profile
- Team name McLaren
- Base Woking, United Kingdom
- Jenson Button 1
- Lewis Hamilton 1
- Fernando Alonso 1
- Niki Lauda 1
- Stoffel Vandoorne 2
- Lewis Hamilton 2
- Lewis Hamilton 2
- Gerhard Berger 2
- Daniel Ricciardo 3
- Jenson Button 3
- Lewis Hamilton 3
- Kimi Räikkönen 3
- Mika Häkkinen 3
- Lando Norris 4
- Lewis Hamilton 4
- Jenson Button 4
- Kimi Räikkönen 4
- Jenson Button 5
- Sergio Perez 6
- Kimi Räikkönen 6
- Kimi Räikkönen 6
- Niki Lauda 8
- Alain Prost 8
- Kimi Räikkönen 9
- Fernando Alonso 14
- Kevin Magnussen 20
- Jenson Button 22
- Lewis Hamilton 22
- Gerhard Berger 28
- Stoffel Vandoorne 47
- Carlos Sainz jr 55
- Oscar Piastri 81
- 306,890 comments on McLaren
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- Tweets about McLaren
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