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Peterbilt on certain trucks, the fifth wheel king pin release air valve internal spool was installed backwards.

NHTSA campaign 07V-033 · Reported June 2, 2007 · thousands of vehicles affected

AFFECTED MODELS
Peterbilt 379 and 387
VEHICLES AFFECTED
thousands of
REMEDY
DEALERS WILL INSPECT THE FUNCTIONALITY OF THE KING PIN RELEASE SYSTEM AND SUSPECT VALVE.
COST
Free

The short version

PACCAR INCORPORATED reported a problem with the trailer hitches fifth wheel assembly. Here is what owners need to know.

WHAT

ON CERTAIN TRUCKS, THE FIFTH WHEEL KING PIN RELEASE AIR VALVE INTERNAL SPOOL WAS INSTALLED BACKWARDS. THE AIR OPTION OF THE KING PIN RELEASE SYSTEM WOULD BE INOPERABLE.

WHY IT MATTERS

THERE IS A POSSIBILITY THAT THE KING PIN CAN RELEASE WITHOUT THE DRIVER'S KNOWLEDGE. WHEN THIS OCCURS, THE DRIVER COULD DRIVE AWAY AND THE TRAILER COULD BECOME DISENGAGED.

WHAT TO DO

DEALERS WILL INSPECT THE FUNCTIONALITY OF THE KING PIN RELEASE SYSTEM AND SUSPECT VALVE, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 07V-033.

YEAR RANGEMODEL
2006Peterbilt 379
2006Peterbilt 387

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

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What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

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