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NHTSA Recall 71V140000: Vacuum (service brakes)

GENERAL MOTORS CORP. reported this safety recall to NHTSA on , covering an estimated 136,000 vehicles. It affects 6 models including the Chevrolet C20.

136,000
vehicles potentially affected
6
models affected
1971
owners notified (August 18)
NHTSA campaign71V140000
ComponentSERVICE BRAKES, HYDRAULIC › POWER ASSIST › VACUUM
Report receivedAugust 19, 1971
Owner notificationAugust 18, 1971
Initiated byManufacturer

Defect

Not provided.

Safety risk

Not provided.

Remedy

Not provided.

Notes

Chevrolet campaign no 71-c-18.GMC campaign no 71-c-10.exce pt rpo h-22w/11,000 axle.possibility that power brake vacuu m cylinder (booster can)and/or attaching brackets may developfatigue cracks.if bracket cracks,could permit excessive mo vement of brake cylinder assembly.continuedoperation couldcrack front hydraulic brake resultant loss of brake fluid in part of dual braking system.braking system.(correct by repl acing componentswhere necessary.)

Vehicles covered by recall 71V140000

Make and modelModel years
Chevrolet C201971
Chevrolet K201971
Chevrolet K301971
GMC C25001971
GMC C35001971
GMC K25001971

Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.