1979 Kenworth Coe Series
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
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These records cover every 1979 Kenworth Coe Series. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
2 recalls name the 1979 Kenworth Coe Series. Newest first.
Front aluminum steering axle hubs were incorrectly heated during stud and bearing cup pressing operations. consequence of defect: due to the incorrect heat treatment the hubs may crack and fail under certain operating conditions. failure…
Risk and remedy
Remedy
All recalled hubs will be inspected and tested for hardness specifications. if they fail to meet the requirements, they will be replaced.
Steering arms on involved vehicles, identified by the heat code "E14", may have received improper heat treatment. This condition could cause the steering arm to crack or break.
Risk and remedy
Remedy
Dealer will replace all steering arms identified by the "E14" heat code without charge to owner.
Defect investigations
NHTSA’s Office of Defects Investigation opened these reviews into vehicles including this one.
- Steer axle hub failure
Summary of information from manufacturer:in their october, 1982, responseto this office, paccar stated, ... Testing and analysis indicated aprojected life of over one million miles (1,000,000) when operated atrated load under usual and customary conditions.analysis:the hub appears to be susceptible to fatigue failure…
Summary of information from manufacturer:in their october, 1982, responseto this office, paccar stated, ... Testing and analysis indicated aprojected life of over one million miles (1,000,000) when operated atrated load under usual and customary conditions.analysis:the hub appears to be susceptible to fatigue failure especiallyunder heavy braking, cornering and rough road conditions.although nosafety trend was identified during the original investigation, it isapparent that fatigue failures are occurring.the canadian ministry oftransport reports 25 recent complaints on this issue.previous informationshows that fatigue failures did not occur in the previous designed hub,or the rear design hub.presumably all three hubs are subjected to thesame types of dynamic loading, yet the k150-d-202 hub apparently fails ata higher rate than the other two.proposed action:open a pe.send an ir for updated statistics on thisalleged problem.
Every Kenworth Coe Series model year
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