3 recalls found. |
DEFECT #1 - SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET
Posted on: 1983-08-30
Description
Bolts and rivets securing the forward spring hanger bracket to the frame could loosen and eventually break.
Consequence
Corrective Action
Dealer will replace each fastener with a one-half inch diameter bolt and locknut. In addition, owners will be advised to have bolts checked about once every six months to ensure that they remain secure.
Notes
Vehicle description: school buses.system: suspension; hanger bracket.consequences of defect: if all four fasteners break, steering difficulty coulddevelop and result in loss of vehicle control and an accident.
DEFECT #2 - STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Posted on: 1980-03-07
Description
A high stress crack may exist on the left-hand frame rail on the forward control chassis, in the region of the front left-hand hanger. In addition, the key between the steering gear box output shaft and the universal joint may be loose.
Consequence
Corrective Action
A reinforcement repair kit will be installed to correct the high stress crack problem. A high strength bolt will also be installed to modify the gear box output shaft.
Notes
Vehicle description: school buses.system: structure; left-hand frame rail, and steering; gear box output shaftand universal joint yoke; key.consequences of defect: the stress crack in the frame rail may cause a wobbleor shimmy condition in the front end of the bus. This could result in loss ofvehicle control and an accident. The loose key could also cause loss ofsteering control and an accident.note: if wobble or shimmy is noticed during vehicle operation, vehicle speedshould be decreased. If it persists, discontinue service until the problem iscorrected. Also, the connection between the steering gear output shaft and theuniversal joint should be checked. If the key is loose, discontinue serviceuntil corrected.
DEFECT #3 - STRUCTURE:FRAME AND MEMBERS
Posted on: 1980-03-06
Description
A crack may develop in the left-hand frame rail in the region of the left hand front spring hanger.
Consequence
Corrective Action
Dealer will inspect frame and reweld to reinforce the left-hand frame rails, if necessary.
Notes
Vehicle description: school buses.system: structure; frame rail.consequences of defect: a cracked frame rail could impair steering control andcause an accident.note: a wobble or shimmy condition in the front end of the vehicle may be asign of a cracked frame.