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1979 Kenworth Coe Series

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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0Owner complaints

Model-year median: 0

2Recall campaigns

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1Investigations

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How this year compares

Owner complaints by model year

Other model years Selected year
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19760
19770
19780
19790
1980
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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

No component reports in this snapshot.

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 0 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

What owners actually said

0 reports

No matching complaints in this snapshot.

Official recalls

2

86V119000 · Suspension:front:hub

Aug 26, 1986

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 COULD RESULT IN LOSS OF WHEEL AND VEHICLE CRASH.

Consequence & remedy

Consequence: Not supplied

Remedy: ALL RECALLED HUBS WILL BE INSPECTED AND TESTED FOR HARDNESS SPECIFICATIONS. IF THEY FAIL TO MEET THE REQUIREMENTS, THEY WILL BE REPLACED.

80V075000 · Steering:linkages

Jun 19, 1980

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.

Consequence & remedy

Consequence: Not supplied

Remedy: DEALER WILL REPLACE ALL STEERING ARMS IDENTIFIED BY THE "E14" HEAT CODE WITHOUT CHARGE TO OWNER.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE86068 · Steer Axle Hub Failure

Opened Jul 29, 1986 · Closed Sep 4, 1986

Status: closed (inferred from source dates) · Steering

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.