# NHTSA Engineering Analysis EA88035
> **POOR BRAKE PERFORMANCE** · Opened 1988-07-18 · Closed 1990-10-31
## Investigation
- **Action number:** EA88035
- **Type:** Engineering Analysis
- **Open date:** 1988-07-18
- **Close date:** 1990-10-31
- **Manufacturer:** General Motors, LLC
- **Affected makes:** CHEVROLET; GMC
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1988
- **Affected (make, year) variants:** 6
## Summary

SUMMARY: COMPLAINTS ALLEGE POOR BRAKING PERFORMANCE INCLUDING EXCESSIVE STOPPING DISTANCE, INABILITY TO LOCK FRONT WHEELS, OR PEDAL GOES TO FLOOR. THIS IS THE FIRST YEAR OF A NEW DESIGN FOR THESE MODELS. POSSIBLE INSUFICIENT POWER ASSIST ON SOME VEHICLES. ALL TRUCKS ARE EQUIPPED WITH REAR ANTI-LOCK BRAKES.

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=EA88035)
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