# NHTSA Preliminary Evaluation PE89035
> **STOP LAMPS** · Opened 1989-01-19 · Closed 1989-05-24
## Investigation
- **Action number:** PE89035
- **Type:** Preliminary Evaluation
- **Open date:** 1989-01-19
- **Close date:** 1989-05-24
- **Manufacturer:** General Motors, LLC
- **Affected makes:** BUICK; CADILLAC; CHEVROLET; OLDSMOBILE; PONTIAC
- **Affected components:** EXTERIOR LIGHTING
- **Affected model years:** 1988
- **Affected (make, year) variants:** 9
## Summary

SUMMARY:A CHEVROLET SERVICE BULLETIN DATED JULY 1988 INDICATES THAT BOTHSOCKETS MUST BE REPLACED USING PART NUMBER 5972532.THIS SERVICE STOCKUSES A NEW HEAT RESISTANT MATERIAL.PRODUCTION STOCK WAS ALSO CORRECTEDBEGINNING WITH VINS J7163799 AND JJ187909.===

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE89035)
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