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Engine & cooling

Peterbilt 379 Engine problems by year

11 complaints filed with NHTSA about the Peterbilt 379's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Engine complaints by model year

YearEngine complaintsCrashesInjuriesRecalls
20090002
20080002
20072001
20060001
20052001
20041001
20031000
20011010
19992000
19951000
19921000

Engine recalls

Latest 379 engine complaints

2007 Peterbilt 379Engine & cooling1 death

2007 Peterbilt semi truck. Consumer requests assistance in getting company truck tested for emission and seal issues. *Smd the consumer stated her husband was found deceased on march 26, 2012. The consumer strongly believed, her husband was a victim of carbon monoxide poisoning. The decedent was found in an idling truck with all the vents closed off. The autopsy report described her husband as having facial plethora a symptom found in a deceased person with carbon monoxide poisoning.

Filed Incident Engine and engine coolingNHTSA 10493981
2005 Peterbilt 379Engine & coolingFire

2005 Peterbilt 379, unit 1 was traveling eastbound on the ohio turnpike in the middle lane when his truck caught fire from underneath the front hood near the engine. Unit 1 then drove to the south side of the shoulder where he put the fire out. *Bf oil leaked from underneath the hood. (Ohio traffic crash report # 10-0302-90)*jb

Filed Incident Engine and engine coolingNHTSA 10409964
2005 Peterbilt 379Engine & cooling

Tl* the contact owns a 2005 peterbilt conventional 379. The contact noticed that the fan hub was fractured. Neither the dealer nor the manufacturer had been notified. Approximately two years earlier, the fan hub was replaced but became fractured again. The vehicle was at an authorized dealer being repaired. The current mileages was 490,000 and the failure mileage was 200,000.

Filed Incident Engine and engine coolingNHTSA 10383040
1992 Peterbilt 379Engine & coolingFire

1992 Peterbilt convenional engine caught fire while driving on the ohio turnpike. Fire was extinguished by driver. *Kb the fire was small and was confined to the left side of the engine compartment. Ohio traffic crash report # 10-0033-90 *jb updated letter 04/29/10 *bf

Filed Incident Engine and engine coolingNHTSA 10312112
2004 Peterbilt 379Engine & cooling

While driving at 70mph in sub freezing temperatures and at operating temperatures, the horton fan hub came off and into the radiator. My wife was driving at the time and I was in the sleeper cabin. There was no audible noise when the hub failed. She saw a lot of steam or smoke and first thought the engine had caught fire. The smoke was coming out in all directions and hit the windshield affecting her visability for a short period of time. She was able to pull off to the shoulder which at that time we were able...

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to see anitfreeze and pieces of fan blades on the ground. We suspect there were also debris left on the road when this occurred. We bought this truck used with 294,000. The first fan hub failure occurred with 380,000, the 2nd with 649,800. We received a call from horton telling us we may be able to get some reimbursement but we have yet to hear from them yet. Updated 12/21/10*bf updated 12/23/10*jb

Filed Incident Engine and engine coolingNHTSA 10312068
2007 Peterbilt 379Engine & cooling

I drive a tractor trailer for r.L. Smith trucking 169 enterprise dr. Wentzville mo. I have been telling richard & eric smith that I have been smelling something burning in my truck. They keep blowing me off saying "you & your smells". Finally I took it to kenworth of joplin mo & they told me it was the gasket on the main part of the exhaust behind the twin turbos. I called richard (1-3-09) & told him what they found. Richard said he is not getting it fixed until I finish my run & he will look at it when I get in....

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Kenworth of joplin said they could have fixed the problem that night, but I was told not to have it fixed. I also told richard that my check engine light came on 12-31-08 & he said he would have eric put it on the computer. They never did. It seams that richard smith fixes all the men's trucks, but puts mine off all the time. *Tr

Filed Incident Engine and engine coolingNHTSA 10253708
1999 Peterbilt 379Engine & coolingTransmission & drivetrain

The crankshaft broke when slowing for a scale house, leaving the truck disabled. The truck was towed to a shop. The cluch and transmission input shaft had to be replaced. *Jb

Filed Incident Engine and engine cooling · Power trainNHTSA 10074269
1999 Peterbilt 379Engine & coolingFire

Vehicle fire ignited in engine compartment.*Mr while driving the driver noticed smoke coming from the engine compartment. The driver pulled the vehicle over and drifted about 1/2 mile with the engine off. The consumer exited the vehicle and saw flames under the engine area. The driver retrieved a fire extinguished and attempted to put out the fire but was unsuccessful. The cab of the semi sustained heavy fire, smoke and water damage. *Ph *nm

Filed Incident Engine and engine coolingNHTSA 10052201
2003 Peterbilt 379Engine & cooling

When engaged the vehicle ran for approximately 15-30 seconds then stalled. The consumer then had to manually utilize the "hand primer valve" in order to restart the vehicle. The dealer has advised that since diagnostic testing equipment did not showing any issues, problem did not exist. The motor was manufactured by catapult, serial no. 69Z70080. *Nlm

Filed Engine and engine coolingNHTSA 10017732
2001 Peterbilt 379Engine & coolingEquipment & accessories1 injury

Vehicle has a toxic chemicals coming out of air ducts. Consumer believed it was coming out of air conditioner evaporator. It burned consumer's eyes. Consumer will contact the manufacturer. *Ak

Filed Incident Engine and engine cooling · EquipmentNHTSA 889927

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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