Vehicle recall 86V170000 · December 22, 1986
GMC C7 and Chevrolet C70
The power steering assist cylinder mounting bracket bolts may loosen due to paint on the bolt threads and the mounting bracket mating surface.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- The power steering assist cylinder mounting bracket bolts may loosen due to paint on the bolt threads and the mounting bracket mating surface. Consequence of defect: this may result in looseness and erratic steering during full turns. With continued operation power cylinder could detach from the frame rail resulting in restricted steering, severing of front brake hose and loss of front axle braking. With either condition, a vehicle crash could result.
- Remedy
- Remove paint from mating surfaces of bracket and frame rail; replace power steering assist cylinder mounting bolts.
- Notes
- System: power steering. Vehicle description: medium duty trucks equipped with power steering and 12,000 lbs. Front axles.
Recall details
- NHTSA campaign
- 86V170000
- Reported to NHTSA
- December 22, 1986
- Filed by
- GENERAL MOTORS CORP.
- Owner notification
- February 20, 1987
- Vehicles potentially affected
- 9,038
- Initiated by
- the manufacturer
- Components
- Steering › Hydraulic power assist system
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
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