# NHTSA Preliminary Evaluation PE88044
> **POOR BRAKING PERFORMANCE** · Opened 1988-04-11 · Closed 1988-07-18
## Investigation
- **Action number:** PE88044
- **Type:** Preliminary Evaluation
- **Open date:** 1988-04-11
- **Close date:** 1988-07-18
- **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. THIS IS THE FIRST YEAR OF A NEW DESIGN FOR THESE MODELS. POSSIBLE INSUFICIENT POWER ASSIS ON SOME MODELS. 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=PE88044)
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