National Highway Traffic Safety Administration (NHTSA)

PACCAR, Navistar issue recalls

PACCAR says it is recalling new Kenworth and Peterbilt units over a defect in the ignition switch. The recall affects model year 2014 Kenworth T170, T270, T370, T470, T660, T680, T800, T880, and W900 trucks manufactured May 6, 2013 through May 17, 2013 and model year 2014 Peterbilt 330, 337, 348, 365, 367, 382, 384, ...

Plug preventive maintenance

  Since many states have increased the use of magnesium and calcium chloride as a road de-icer, which are corrosive to brass and copper, it is ...

Proper Liftgate Grounding

Many liftgates still use single pole systems and are grounded through the fifth wheel and kingpin. According to Phillips, when the kingpin ground is interrupted, the 8-gauge wire at the J560 connector can become overloaded. Phillips says the solution is a dual-pole cable. The dual-pole cable has a dedicated positive and ground line directly from ...

Understanding Oil Filter Capacity

Oil filter capacity does not refer to the amount of oil that needs to be added when changing both oil and filter. According to Chuck Kerrigan, director of marketing for Purolator Filters, oil filter capacity describes the amount of debris an oil filter can hold before it becomes obstructed ...

Gladhand inspections

Gladhand Inspection The gladhands are a critical piece of the air system and need to be maintained. Because gladhands connect downstream of the air system dryer, failing to care for them will allow moisture to penetrate the system and cause problems, according to Phillips.  Gladhands have rubber seals that enable ...

Tech Updates

Door Weatherseal Replacement Mack Trucks offers the following advice on how to replace the door weatherseals on CHU, CXU, GU and TD models. * Remove the threshold plate. * Remove the door weatherseal from the cab. (See Figure 1.) * Clean the glue off the cab using a 50 percent solution of ...

Lighting tips

Truck-Lite offers the following lighting system tips. To correct voltage problems you need to discover the real cause. Under-voltage often is caused by poor electrical connections. To correct under-voltage, don’t just turn up the voltage. Find out what caused the under-voltage problem and fix that. Improper ground connections is a ...

Common Engine Problem Indicators And Problems

  IPD offers a general list of possible causes of common engine complaints. Remember that indicators and causes vary between engine models, applications and designs. If a customer complaints of excessive black smoke during full load, causes include: faulty electronic sensors, fuel ratio control setting, intake or exhaust restriction, lugging, ...

Safety recalls

The National Highway Traffic Safety Administration (NHTSA) has issued the following recalls: * On certain Ford model year 2008 through 2009 F-650 and F-750 trucks equipped with Caterpillar C7 engines, the #5 and #6 fuel lines may crack at the fastening point to the common fuel rail and cause a ...

Vehicle Lift Inspection

According to Rotary Lift, technicians should inspect their lifts every day and shop managers should schedule professional lift inspections annually. Regular inspections help ensure that all the lifts in the shop are operating properly, Rotary says. The owner’s manual will provide inspection instructions for each lift. General guidelines also ...