1981 WESTERN WS SERIES Recalls (3)
- Campaign:
- 81V087000 on 07/16/1981
- Component:
- Engine and engine cooling:engine
- Manufactured:
- 03/31/1978 - 06/30/1981
- Affected:
- 15,000
- Defect:
- Due to a deficiency in material strength, the front engine support brackets on the involved vehicles may develop cracks that could lead to bracket failure. this would cause the engine to drop down into the radiator, damaging the shroud, engine fan, and other associated parts. the engine throttle could be pulled into full governed position.
- Correction:
- The existing support brackets will be replaced with brackets made of ductile iron, at no charge to owner.
- Notes:
- Vehicle description: trucks.system: structure; front engine support brackets.consequences of defect: with the throttle locked in this position, the driverwould have no control over vehicle speed. loss of vehicle control and anaccident could follow.
- Campaign:
- 81V094000 on 08/10/1981
- Component:
- Suspension:rear:springs
- Manufactured:
- 04/30/1978 - 08/31/1981
- Affected:
- 1,000
- Defect:
- Inadequate weld positioning coupled with radius rod load and loosening of the spring clip nuts could cause spring seat fracture. this can result in loss of directional control of the axle.
- Correction:
- Spring seat radius rod brackets will be inspected and replaced if necessary. in addition, supplemental brackets will be installed to reinforce the spring seat, without charge.
- Notes:
- Vehicle description: heavy trucks equipped with rockwell internationalsqhd-sqhp rear axle and dayton truckmaster suspension.system: suspension; spring seat/radius rod bracket.consequences of defect: this defect could cause a loss of vehicle controlwithout prior warning and may result in an accident.
- Campaign:
- 84V036000 on 04/10/1984
- Component:
- Suspension:rear:springs:leaf spring assembly
- Manufactured:
- 09/30/1978 - 04/30/1982
- Affected:
- 3,421
- Defect:
- Spring seat can deform, which causes a decrease in the clamping force in the suspension assembly. loss of clamping force may bring about axle misalignment or axle housing failure.
- Correction:
- The axle housing will be inspected and replaced, if necessary. the spring seats will also be replaced.
- Notes:
- Vehicle description: heavy trucks.system: suspension; rear spring seat.consequences of defect: loss of vehicle control could occur without warning,possibly resulting in an accident.
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