# NHTSA Engineering Analysis EA87017
> **WELD CRACKS** · Opened 1987-04-22 · Closed 1990-05-15
## Investigation
- **Action number:** EA87017
- **Type:** Engineering Analysis
- **Open date:** 1987-04-22
- **Close date:** 1990-05-15
- **Manufacturer:** TAYLOR WHEEL CO.
- **Affected makes:** TAYLOR
- **Affected components:** SUSPENSION
- **Affected model years:** 1985
- **Affected (make, year) variants:** 1
## Summary

ANALYSIS OF THE ALLEGED PROBLEM:THE CRACKING OF THE WELDED PATCH ISALLEGEDLY CAUSED BY TOYOTA'S CHANGE FROM BELTED TIRES TO RADIAL PLYTIRES.THE TIRE PRESSURE WITHIN THE INNER DUAL DROPS SIGNIFICANTLYBELOW THE OUTER DUAL GENERATING EXCESSIVELY HIGH LOADS ON THE WHEELATTACHMENT, AXLE SHAFT, AND AXLE BEARING.STATUS:INFORMATION REQUEST SENT TO SUNROSE TIRE ON 7/16/87. AWAITINGRESPONSE. SUNROSE CALLED FOR AN EXTENSION ON 9/15/87.WAS TOLD TOPUT IT IN WRITING. RESPONSE DUE 11/30/87.===

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=EA87017)
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