McLaren is bullish it can prevent a repeat of Lando Norrisreliability issues in last week’s Formula 1 Dutch Grand Prix, and explained what is happening with the Briton’s power unit pool.

Norris’ McLaren MCL39 started developing problems with seven laps to go at Zandvoort and the title protagonist soon ground to a halt with a smoking car. Norris’ retirement was McLaren’s first race-ending reliability issue in years, which set him back in the intra-McLaren title fight against Oscar Piastri.

The oil leak that crippled Norris’ car was caused by an engine oil line failure on the team’s side, with the engine sent back to supplier Mercedes HPP for further investigation.

McLaren’s COO Piers Thynne says the squad is confident it has resolved the issue by manufacturing more robust parts.

“It was an unfortunate incident when we broke our long chain of positive reliability. The team have reacted extremely well and extremely pragmatically to look at the issue, find the root cause, understand it and manufacture parts that are extremely focused to ensure it doesn’t happen again,” Thynne explained.

Lando Norris, McLaren

Lando Norris, McLaren

Photo by: Zak Mauger / LAT Images via Getty Images

“I’m extremely pleased with the reaction of the team and certainly the factory, both design and manufacturing, reacted in a very positive and pragmatic way to the issue. The solution that is here this weekend to prevent it from happening again is the right one.” 

Both Norris and Piastri have switched to fresher power units for the Monza weekend, where power output and straightline speeds are key.

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But Thynne confirmed that Norris’ Zandvoort engine can be reintroduced later on this season, alleviating concerns Norris’ woes might be compounded by a grid penalty for exceeding the allowed number of power unit components.

Asked if the power unit can be added back to the pool this season, he replied: “Yes”.

He added: “The issue that happened in Zandvoort hasn’t affected our engine allocation for this event and we continue to look at engine allocation in a circuit specific, most performant way, that balances what we have to the end of the year.”

Motorsport.com understands the impacted engine will require some minor repairs for fire damage, but could return to the pool as soon as the next round in Baku in two weeks.

Photos from Italian GP – Friday

Lewis Hamilton, Ferrari



Italian GP – Friday, in photos


Jacky Ickx



Italian GP – Friday, in photos


Lando Norris, McLaren



Italian GP – Friday, in photos


Isack Hadjar, Racing Bulls Team



Italian GP – Friday, in photos


Liam Lawson, Racing Bulls Team



Italian GP – Friday, in photos


Fans of Lando Norris, McLaren



Italian GP – Friday, in photos


Frederic Vasseur, Ferrari, Stefano Domenicali, CEO of the Formula One Group



Italian GP – Friday, in photos


Nicolas Todt, Driver Manager



Italian GP – Friday, in photos


Frederic Vasseur, Ferrari



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Jackie Stewart



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Mattia Binotto, Sauber



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Liam Lawson, Racing Bulls Team



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Max Verstappen, Red Bull Racing



Italian GP – Friday, in photos


Alexander Albon, Williams



Italian GP – Friday, in photos


Isack Hadjar, Racing Bulls Team



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Carlos Sainz, Williams



Italian GP – Friday, in photos


Oliver Bearman, Haas F1 Team



Italian GP – Friday, in photos


Jacques Villeneuve



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Yuki Tsunoda, Red Bull Racing



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Carlos Sainz, Williams



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Oscar Piastri, McLaren



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Mattia Binotto, Sauber



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Isack Hadjar, Racing Bulls Team



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Fans hold up a sign in support of McLaren



Italian GP – Friday, in photos


Isack Hadjar, Racing Bulls Team



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Fans



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Oscar Piastri, McLaren



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Oliver Bearman, Haas F1 Team



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Lando Norris, McLaren



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Isack Hadjar, Racing Bulls Team



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Jean Alesi



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Oliver Bearman, Haas F1 Team



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Liam Lawson, Racing Bulls Team



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George Russell, Mercedes



Italian GP – Friday, in photos


Liam Lawson, Racing Bulls Team, Isack Hadjar, Racing Bulls Team



Italian GP – Friday, in photos


Lando Norris, McLaren, Oscar Piastri, McLaren



Italian GP – Friday, in photos


Lewis Hamilton, Ferrari



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Charles Leclerc, Ferrari



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Fernando Alonso, Aston Martin Racing



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Esteban Ocon, Haas F1 Team, Oliver Bearman, Haas F1 Team



Italian GP – Friday, in photos


Nico Hulkenberg, Sauber, Gabriel Bortoleto, Sauber



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Charles Leclerc, Ferrari



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Lewis Hamilton, Ferrari



Italian GP – Friday, in photos


Lando Norris, McLaren



Italian GP – Friday, in photos


Max Verstappen, Red Bull Racing



Italian GP – Friday, in photos


Lando Norris, McLaren



Italian GP – Friday, in photos


Lewis Hamilton, Ferrari



Italian GP – Friday, in photos


Nico Hulkenberg, Sauber, Fernando Alonso, Aston Martin Racing



Italian GP – Friday, in photos

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