7 recalls found. |
DEFECT #1 - SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
Posted on: 1990-02-06
Description
The 7/8 inch spring eye bolts within the spring eye bushing hanger bracket of the rear suspension may fail.
Consequence
The spring could fall onto the road surface, without warning to the driver, and a vehicle crash could occur due to the sudden drag of the spring.
Corrective Action
Replace all 7/8 inch diameter spring eye bolts with 1 inch diameter bolts.
Notes
System: suspension; spring eye bolt.vehicle description: heavy duty trucks with st34 or st 38 rear suspension.
DEFECT #2 - SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
Posted on: 1989-02-27
Description
An incorrect 3/4 inch bolt was installed on rt/rs 450 suspension.
Consequence
This bolt may break, causing disengagement of the beam connection of rear suspension, resulting in loss of control, which could result in an accident.
Corrective Action
Retrofit chassis with 1 inch bolts.
Notes
System: suspension.vehicle description: heavy duty trucks built with hendrickson rt/rs 450suspension.
DEFECT #3 - SUSPENSION:FRONT:WHEEL BEARING
Posted on: 1986-03-24
Description
Front steering knuckle thrust bearing may shatter into pieces due to improper heat treatment. Consequence of defect: failure of the bearing may affect steering control. If bearing disintegrates, it would result in increase steering drag and/or cause steering lock up with loss of control which could lead to an accident.
Consequence
Corrective Action
Replace defective thrust bearings.
Notes
System: steering knuckle. Vehicle description: all models equipped with a fa536, fa537, or fa538 series front steering axle.
DEFECT #4 - SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM
Posted on: 1987-02-13
Description
Crossmember can be overstressed and can fail, allowing the broken crossmember to protude above the top of the frame and interfere with chassis components.
Consequence
Trailer handling could be affected during turningmaneuvers which could result in loss of truck control and a crash. Also, acompletely separated crossmember could affect height of suspension air springsand the resulting lean could result in loss of control.
Corrective Action
Installation of a bolted double plate type crossmember to replace the standard channel type crossmember.
Notes
System: rear crossmember with neway air suspension.vehicle description: heavy duty trucks:dm,f,fm,mc,mce,mh,mr,r,rd,rs,rl,rw,rwl,rws and u models equipped with neway airride drive axle suspension.
DEFECT #5 - SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
Posted on: 1988-08-08
Description
Some air brake hose assemblies may not comply with burst strength requirements of fmvss 106.
Consequence
Vehicles do not comply with standard.
Corrective Action
Replace suspect hose assemblies.
Notes
System: air brake hose assembly/fmvss 106.vehicle description: heavy duty trucks.
DEFECT #6 - POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
Posted on: 1986-01-21
Description
Incorrect inner wheel bearings were installed in the rear axles which wears a groove in the spindle due to a poor fit. Consequence of defect: a deep groove could cause the axle housing to break and result in a vehicle crash without prior warning.
Consequence
Corrective Action
Replace inner wheel bearing with correct bearing. Also, if a groove is present, remove the groove and assure that no cracks are present. Replace housing if cracked.
Notes
System: rear axle inner bearing.vehicle description: heavy duty trucks equipped with mack ss440c or sw440c rear axle.
DEFECT #7 - SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
Posted on: 1986-01-28
Description
The spring eye bolt was not torqued properly and could fail due to the loose fit within the spring eye bushing/hanger bracket. Consequence of defect: the spring could fall onto the road surface, without warning to the driver, and a vehicle crash could occur due to the sudden drag of the spring.
Consequence
Corrective Action
Not available at this time. In the interim the torque of the spring eye bolt will be checked.
Notes
System: spring eye bolt.vehicle description: heavy duty trucks with st34 or st38 series rear axle.