# NHTSA Engineering Analysis EA87006
> **POWER ST. ASSIST** · Opened 1986-12-16 · Closed 1988-09-19
## Investigation
- **Action number:** EA87006
- **Type:** Engineering Analysis
- **Open date:** 1986-12-16
- **Close date:** 1988-09-19
- **Manufacturer:** General Motors, LLC
- **Affected makes:** BUICK; CADILLAC; CHEVROLET; OLDSMOBILE; PONTIAC
- **Affected components:** STEERING
- **Affected model years:** 1980, 1981, 1982, 1983, 1984, 1985, 1986
- **Affected (make, year) variants:** 72
## Summary

SUMMARY OF INFORMATION FROM THE MANUFACTURER:GM HAS DEVELOPED A SPLITRING FIELD REPAIR KIT AND IS EXTENDING THE WARRANRY ON ALL 1982-84 A,J, AND X, BODY CARS AND 1985 C,BODY CARS.THE WARRANTY APPLIES TO CARSTHAT ARE FOR 50,000 MILES OR 5 YRS.IT INCLUDES REIMBURSEMENT FOR PREVIOUSREPAIRS.ANALYSIS:WEARING OF THE RACK AND PINION HOUSING AND LOW AMBIENT TEMPCAN CAUSE TEMPORARY LOSS OF POWER ASSIST.TEFLON O RINGS FAIL TO SEALOFF INTERNAL PRESSURE.STATUS:EVALUATING THE EXTENDED WARRANTY OFFER BY GM.======

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=EA87006)
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