2008 Peterbilt 386

SummaryOn July 13, 2010, the Office of Defects Investigations (ODI) opened an investigation on model year (MY) 2007-2009 Peterbilt tractors equipped with the (SPL170XL extended lube inter-axle driveline).ODI opened this investigation based on one Vehicle Owners Questionnaire (VOQ) and certain Peterbilt field reports.During the course of the investigation, ODI reviewed PACCAR's IR (October 22, 2010) response with associated data related to Warranty and complaint information, mined field data, interviewed customers and visited local dealers within the Washington Metropolitan area.PACCARconducted testing regarding torsional loading and identified various causative factors contributed to this safety defect finding.The Defect is a consequence of the bearing surfaces of the SPL170XL extended lube universal joint that attaches the inter-axle driveline to the drive axle becoming prematurely worn due to a breakdown of lubrication and/or excessive heat.Prematurely worn bearing surfaces may result in the u-joint becoming loose and/or binding.This condition may result in universal joint failure, allowing the inter-axle driveline to detach from the axle, which may cause the drive shaft to separate from the vehicle, increasing the risk of personal injury or property damage hazard.ODI learned that the affected population of the alleged defect extended to peer models within PACCAR.In summary, the following vehicles are being recalled: MY 2007 and 2008 Kenworth trucks, models T600, T660, T2000, T800 and W900 and MY 2007/2008 Peterbilt trucks, models357, 378, 379, 385, 386, 387, 388, and 389 allequipped with extended lube inter-axle drivelines manufactured by Dana Corporation.The recall affects vehicles manufactured between February 2, 2006 and April 30, 2007.At this time PACCAR has not yet identified a fix for the inner-axle safety defect and is currently conducting testing with the intent to provide a solution to the failure.ODI will monitor the development of PACCARS testing and ensure a timely repair for the consumer.This investigation is closed.

PACCAR is conducting an Owner Notification Program (ONP) for select vehicles within the subject and peer populations.The ONP are attached to the closing report and can be found in the NHTSA Technical Service Bulletin (TSB) database. (TSB: 10033585, 10033584)See Closing report for investigation details.

TL*THE CONTACT OWNS A 2008 PETERBILT 386 TRACTOR. THE CONTACT STATED THAT THE REGENERATION CYCLE RELATED TO THE DIESEL ENGINE (USED TO BURN SOOT FROM THE EXHAUST) WOULD NOT FUNCTION PROPERLY. AS A RESULT, THE ENGINE WOULD SHUT OFF. PRIOR TO THE FAILURE, THE ENGINE WARNING LIGHT WOULD ILLUMINATE ON THE INSTRUMENT PANEL. THE FAILURE OCCURRED EVERYTIME THE VEHICLE WAS OPERATED. THE CONTACT TOOK THE VEHICLE TO THE DEALER NUMEROUS TIMES, BUT NONE OF THE REMEDIES WERE SUFFICIENT. THE VEHICLE WAS ALSO REPAIRED ACCORDING TO NHTSA CAMPAIGN ID NUMBER 08V487000; HOWEVER, THE FAILURE CONTINUED. THE MANUFACTURER COULD NOT ASSIST. THE CURRENT MILEAGE WAS 100,680 AND FAILURE MILEAGE WAS APPROXIMATELY 15,000.

NHTSA ID

10274201

Incident

Aug 17, 2008

Mileage

15,000 mi

2008 PETERBILT 386 ROAD TRACTOR WITH A CUMMINS ISX 550 HP ENGINE. PURCHASED 9-10-07. ELECTRICAL ISSUES. THE DOOR LOCKS WERE BLOWING FUSES, THE GPS AND RADIO WOULD GO OFF AND ON, THE POWER WINDOWS AND WINDSHIELD WIPERS STOPPED WORKING, THE DASH LIGHTS AND BUZZERS WOULD FLASH AND ALARM WHEN ON ROUGH ROADS, THE LOW COOLANT LIGHT STAYING ON. SOME SENSORS;FUSES REPLACED. IN JANUARY HAVING OIL PRESSURE ISSUES. PRESSURE WOULD DROP TO 0 AND TRUCK WOULD SHUT OFF. TOLD THIS A CLOGGED OIL FILTER. CHANGED THE FILTER. CONTINUED TO HAVE THE PROBLEM. IN FEBRUARY WE TOOK THE IT IN FOR THIS, AND THE ELECTRICAL; THEY COULD FOUND NOTHING. WE PICKED IT UP, DROVE ABOUT 3 MILES AND THE OIL PRESSURE BEGAN TO FLUCTUATE. TOOK IT BACK, IT WAS KEPT SEVERAL DAYS AND THEY STILL FOUND NOTHING. THEN THE FUEL WAS NOT EQUALIZING BETWEEN TANKS AND THE TRUCK WOULD RUN OUT OF FUEL. WE BROUGHT IT IN ON 4-23-08. WE NOTED THE OIL PRESSURE, THE ELECTRICAL AND THE FUEL NOT EQUALIZING. AFTER 2 DAYS, AGAIN NOTHING WAS FOUND. PICKED IT UP ON 4-25-08, PICKED UP A LOCAL LOAD TO DELIVER ON THE 28TH. 5:30PM THE TRUCK BROKE DOWN. IT WAS TOWED TO THE SHOP. THE MECHANIC SAID IT WAS AN ELECTRICAL ISSUE WITH THE OIL PRESSURE SYSTEM. THE NEXT MORNING A MECHANICAL GAUGE WAS PUT ON THE TRUCK AND SHOWED NO OIL PRESSURE. A GEAR HAD SHEARED OFF THE OIL PUMP. IT WAS REPLACED. WE PICK UP THE TRUCK ON 5-2-08, WOULD NOT START AND HAD TO BE JUMP STARTED. DROVE APPROXIMATELY 30 MILES THE ENGINE THREW A ROD THROUGH THE SIDE. IT IS STILL IN THE SHOP. CUMMINS OPTED TO REBUILD THE ENGINE RATHER THAN REPLACE IT. THE TRUCK IS EQUIPPED WITH A SLEEPER WHICH WE ARE AFRAID TO USE BECAUSE OF THE WIRING. WE HAVE BEEN TOLD THAT OUR TRUCK IS NOT THE ONLY ONE WITH OIL PUMP FAILURES. THEREFORE WE WOULD LIKE TO REQUEST A FULL INVESTIGATION INTO THIS MATTER. *TR

NHTSA ID

10228784

Incident

May 2, 2008

Mileage

80,000 mi

DIESEL PARTICULATE FILTER LEAKS VANADIUM PENTOXIDE FUMES AND/OR LIQUID RESIDUE. PETERBUILT AND CUMMINS ARE FIGHTING OVER WHO IS RESPONSIBLE. PETERBILT SAYS THERE IS NO SOLUTION TO THIS PROBLEMS NOW, ALTHOUGH THEY CLAIM A TEAM OF ENGINEERS IS WORKING ON IT. IT CONCERNS ME THAT THEY SEE NO PROBLEM WITH ALLOWING A CANCEROUS SUBSTANCE TO COME IN CONTACT WITH UNSUSPECTING PEOPLE, MYSELF INCLUDED. *TR

NHTSA ID

10218735

Incident

Dec 20, 2007

Mileage

2,000 mi

DIESEL PARTICULATE FILTER LEAKS VANADIUM PENTOXIDE FUMES AND/OR LIQUID RESIDUE. PETERBILT AND CUMMINS ARE FIGHTING OVER WHO IS RESPONSIBLE. PETERBILT SAYS THERE IS NO SOLUTION TO THIS PROBLEM NOW, ALTHOUGH THEY CLAIM A TEAM OF ENGINEERS IS WORKING ON IT. IT CONCERNS ME THAT THEY SEE NO PROBLEM WITH ALLOWING A CANCEROUS SUBSTANCE TO COME IN CONTACT WITH UNSUSPECTING PEOPLE, MYSELF INCLUDED. *TR

NHTSA ID

10217082

Incident

Dec 20, 2007

Mileage

2,000 mi

1210F - SPL 170XL Interaxle Driveline Warranty section has been updated with descriptions of Recommended Repairs and an updated PRWS Claim Coding table has been added.

Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.

Fix as Fail: For all conventional models, except 387/587, equipped with Side-of-Cab (“SOC”) exhaust and built from 03/6/2006 to 1/20/2020, the clamps that secure the SOC exhaust stacks may not be tightened properly. This may allow the exhaust stack to rotate and contact the cab or sleeper.

Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.

Information only: Hendrickson Softek front axle maintenance intervals and requirements.

Safety Recall Bulletin: Updated with permanent repair path for phase 1 vehicles. The Tractor ABS Lamp May Not Illuminate When ABS Controller Loses Battery and/or Ignition Power. NHTSA recall number is 18V368. Non compliance to FMVSS and CMVSS 121 and 136. Resolution is to Reflash software.