NHTSA Says Brake Pedal Attachment "Not Guaranteed" In 33,596 Vehicles
Continental Automotive Systems has issued a recall for its MK C1 EVO brake-by-wire master cylinder unit.
The issue affects 33,596 vehicles from multiple major manufacturers and could result in total brake failure, which poses a significant safety risk.
A "misalignment" at a screwing station during production has been identified as the root cause, potentially leading to an insecure connection between the master cylinder and brake pedal push rod, which links the brake pedal to the brake booster.
NHTSA's documents say a complete separation of the piston and push rod could occur, which means the mechanical coupling of the brake pedal and brake booster " may no longer be guaranteed." Love that. Warning signs of the defect include unusual noises and instability in the brake pedal.
The defective parts were installed in various Alfa Romeo, Audi, and Volvo vehicles. According to the documents, 100% of the identified parts are defective.
The issue was first brought to light when Audi reported deviations in brake pedal feel and unusual noise during braking. Subsequent investigations confirmed the issue and revealed that 33,596 affected parts were supplied to Audi, Volvo, and Stellantis for use in vehicles worldwide, including those sold in the United States. Affected vehicles will require inspection and likely replacement of the defective brake components.
Each manufacturer will now work to identify specific vehicles equipped with faulty brake components. It looks like recalls of individual vehicles have started— Polestar just issued a recall for 6 Polestar 1s with defective brake pedal pushrods from Continental.
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An experienced automotive storyteller and accomplished photographer known for engaging and insightful content. Michael also brings a wealth of technical knowledge—he was part of the Ford GT program at Multimatic, oversaw a fleet of Audi TCR race cars, ziptied Lamborghini Super Trofeo cars back together, been over the wall during the Rolex 24, and worked in the intense world of IndyCar.
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