Vehicle recall 71V037000 · March 24, 1971
Chevrolet C30, GMC C3500 and 19 more models
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Notes
- Chevrolet bulletin no 71-C-7.GMC bulletin no 71-C-4 and 71-C -4A.TRUCKS andschool busses with bendix vacuum hydraulic br akes, trucks with vacuum boostedbrakes.possibility that sin gle bendix vacuum hydraulic brake system may haveend cap hexhead fitting assembly which does not make proper contact withendofbooster slave cylinder.this could cause brake fluid toleak from end ofbooster slave cylinder.loss of brake fluidwould result in low brake pedaland cause complete loss of br aking action.(correct by replacing with newimproved nut.)
Recall details
- NHTSA campaign
- 71V037000
- Reported to NHTSA
- March 24, 1971
- Filed by
- GENERAL MOTORS CORP.
- Owner notification
- March 18, 1971
- Vehicles potentially affected
- 9,600
- Initiated by
- the manufacturer
- Components
- Service brakes, hydraulic › Power assist › Vacuum › Hoses, lines/piping, and fittings
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Chevrolet C30 (1971): 1971
- Chevrolet C40 (1971): 1971
- Chevrolet C50 (1971): 1971
- Chevrolet C60 (1971): 1971
- Chevrolet P30 (1971): 1971
- Chevrolet S40 (1971): 1971
- Chevrolet S50 (1971): 1971
- Chevrolet T50 (1971): 1971
- Chevrolet T60 (1971): 1971
- GMC C3500 (1971): 1971
- GMC CE4500 (1971): 1971
- GMC CE5500 (1971): 1971
- GMC CE6500 (1971): 1971
- GMC CG5500 (1971): 1971
- GMC CM5500 (1971): 1971
- GMC CM6500 (1971): 1971
- GMC CS4500 (1971): 1971
- GMC P3500 (1971): 1971
- GMC TE5500 (1971): 1971
- GMC TE6500 (1971): 1971
- GMC TS5500 (1971): 1971
Has your Chevrolet been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Chevrolet dealer can also check your VIN. Recall repairs are free.