# NHTSA Defect Petition DP82010
> **TRANS. LOCKUPS AND TRANS. HARD SHIFTING** · Opened 1982-05-20 · Closed 1982-10-18
## Investigation
- **Action number:** DP82010
- **Type:** Defect Petition
- **Open date:** 1982-05-20
- **Close date:** 1982-10-18
- **Manufacturer:** General Motors, LLC
- **Affected makes:** BUICK; CHEVROLET; OLDSMOBILE; PONTIAC
- **Affected components:** POWER TRAIN
- **Affected model years:** 1980, 1981
- **Affected (make, year) variants:** 8
## Summary

TRANS. LOCKUPS AND TRANS. HARD SHIFTING

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP82010)
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