F1 chassis crack caused Ricciardo's Brazil GP retirement
McLaren has revealed that a crack in Daniel Ricciardo’s chassis was the cause of the power loss that triggered his retirement from Formula 1’s Brazilian Grand Prix.

Ricciardo was battling for the points at Interlagos on Sunday when he suffered a sudden loss of power and had to drop out of the race.
Following an initial investigation at the track, McLaren discovered a problem with components relating to its power unit installation.
McLaren team principal Andreas Seidl said: "We had a power loss on track. In the initial investigation we found a technical issue, a crack on the chassis side of the power unit installation, which we need to now investigate. I can give you a better update next week in Qatar."
Ricciardo reckoned that if he had not hit trouble then there was a chance that he could have pulled off a one-stop strategy to beat Ferrari duo Carlos Sainz and Charles Leclerc.
"We knew they had to two-stop," said the Australian. "I think they had a bit more pace but maybe through strategy we could've disrupted them.
"But then we had a loss of power and had to retire the car. Definitely a shame, but it was a much more promising day than [Saturday]. We'll take the positives from that, and we've got another chance next week."

Lando Norris, McLaren MCL35M, battles with Carlos Sainz Jr., Ferrari SF21
Photo by: Charles Coates / Motorsport Images
Ricciardo's failure added to a troubled afternoon for McLaren, with Lando Norris having had his hopes of a strong finish dashed by a puncture caused in a clash with Sainz off the line.
Although McLaren is locked in a fight with Ferrari for third place in the constructors' championship, Seidl felt there was no malice in the incident.
Speaking about the Norris puncture, Seidl said: "He had a great launch. And I think Carlos had quite a bad start.
"Lando had to go somewhere and on the outside it's very tight out there. I think he simply ran out of space and unfortunately touched the front wing of Carlos, causing the puncture. It was an unlucky racing incident.
"In terms of the recovery drive, the car was damaged. He lost quite a bit of downforce on the rear axle, some damage from the puncture I think. Then he did a great recovery drive."
Norris was able to recover to finish in 10th place but, on a day when Ferrari took fifth and sixth, the Woking-based team's hopes of ending the season third in the standings are fading.
McLaren is now 31.5 points behind Ferrari, with three races remaining.
Related video

Verstappen: Worn tyres triggered Turn 4 washout with Hamilton
Mercedes: "Diplomacy has ended" after Brazil F1 "punches in the face"

Latest news
Australian GP releases more race day tickets
The Australian Grand Prix Corporation has announced a final limited release of race day tickets.
Tickford unveils first 2023 livery
Tickford Racing has unveiled its first livery ahead of the 2023 season with the covers coming off Brad Vaughan's Super2 entry.
“Proper send-off” for MacNeil after Rolex 24 win in GTD Pro
Jules Gounon says that winning at Daytona was an appropriate way for co-driver Cooper MacNeil to retire from racing in the IMSA WeatherTech SportsCar Championship.
HPD boss "amazed" by GTP reliability in Rolex 24 at Daytona
The boss of Honda Performance Developments has expressed his amazement at the high levels of reliability demonstrated by the all-new GTP prototypes in last weekend's Rolex 24 at Daytona.
Who were the fastest drivers in F1 2022?
Who was the fastest driver in 2022? Everyone has an opinion, but what does the stopwatch say? Obviously, differing car performance has an effect on ultimate laptime – but it’s the relative speed of each car/driver package that’s fascinating and enlightening says ALEX KALINAUCKAS
Nico Hulkenberg: Why F1's nearly man is refreshed and ready for his return
He has more starts without a podium than anyone else in Formula 1 world championship history, but Nico Hulkenberg is back for one more shot with Haas. After spending three years on the sidelines, the revitalised German is aiming to prove to his new team what the F1 grid has been missing.
Why Vasseur relishes 'feeling the pressure' as Ferrari's F1 boss
OPINION: Fred Vasseur has spent only a few weeks as team principal for the Ferrari Formula 1 team, but is already intent on taking the Scuderia back to the very top. And despite it being arguably the most demanding job in motorsport, the Frenchman is relishing the challenge
The crucial tech changes F1 teams must adapt to in 2023
Changes to the regulations for season two of Formula 1's ground-effects era aim to smooth out last year’s troubles and shut down loopholes. But what areas have been targeted, and what impact will this have?
Are these the 50 quickest drivers in F1 history?
Who are the quickest drivers in Formula 1 history? Luke Smith asked a jury of experienced and international panel of experts and F1 insiders. Some of them have worked closely with F1’s fastest-ever drivers – so who better to vote on our all-time top 50? We’re talking all-out speed here rather than size of trophy cabinet, so the results may surprise you…
One easy way the FIA could instantly improve F1
OPINION: During what is traditionally a very quiet time of year in the Formula 1 news cycle, FIA president Mohammed Ben Sulayem has been generating headlines. He’s been commenting on massive topics in a championship that loves them, but also addressing necessary smaller changes too. Here we suggest a further refinement that would be a big boon to fans
How can McLaren keep hold of Norris?
Lando Norris is no longer the young cheeky-chappy at McLaren; he’s now the established ace. And F1's big guns will come calling if the team can’t give him a competitive car. Here's what the team needs to do to retain its prize asset
What difference did F1's fastest pitstops of 2022 make?
While a quick pitstop can make all the difference to the outcome of a Formula 1 race, most team managers say consistency is more important than pure speed. MATT KEW analyses the fastest pitstops from last season to see which ones – if any – made a genuine impact
Subscribe and access Motorsport.com with your ad-blocker.
From Formula 1 to MotoGP we report straight from the paddock because we love our sport, just like you. In order to keep delivering our expert journalism, our website uses advertising. Still, we want to give you the opportunity to enjoy an ad-free and tracker-free website and to continue using your adblocker.
You have 2 options:
- Become a subscriber.
- Disable your adblocker.