# NHTSA Defect Petition DP97004
> **VISCOUS COUPLING FAILURE** · Opened 1997-10-01 · Closed 1998-01-20
## Investigation
- **Action number:** DP97004
- **Type:** Defect Petition
- **Open date:** 1997-10-01
- **Close date:** 1998-01-20
- **Manufacturer:** Chrysler (FCA US, LLC)
- **Affected makes:** JEEP
- **Affected components:** STEERING
- **Affected model years:** 1993
- **Affected (make, year) variants:** 1
## Summary

ALLEGED THAT THE VISCOUS COUPLING IN THE TRANSFER CASE OF HIS 1993 GRAND CHEROKEE VEHICLE FAILED WHICH AFFECTED STEERING, BRAKING AND STARTING OF THE VEHICLE.

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP97004)
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