Vehicle recall 79V266000 · December 4, 1979
Peterbilt COE and Conventional Series
The steering power cylinder clamps may crack when tightened.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- The steering power cylinder clamps may crack when tightened.
- Remedy
- Dealer will replace the defective steering power clamps at no cost to owner.
- Notes
- Vehicle description: trucks.system: steering; power cylinder clamps.consequences of defect: steering control may be degraded, and loss of vehiclecontrol and an accident could occur.note: impaired steering control may be indicated by erratic power assist,reduced steering wheel mobility, or locking of the steering wheel. If any ofthese conditions occur, dealer should be contacted immediately.
Recall details
- NHTSA campaign
- 79V266000
- Reported to NHTSA
- December 4, 1979
- Filed by
- PACCAR, INCORPORATED
- Owner notification
- November 14, 1979
- Vehicles potentially affected
- 1,700
- 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.
- Peterbilt COE (1978-1979): 1979, 1978
- Peterbilt Conventional Series (1978-1979): 1979, 1978
Has your Peterbilt been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Peterbilt dealer can also check your VIN. Recall repairs are free.