Caterpillar Inc. (Caterpillar) is recalling certain model year 2015 CT660, and CT681 trucks manufactured July 28, 2014, to November 5, 2014. The affected vehicles may experience brake drag due to an improperly seated diaphragm in the brake chamber.
Risk and remedy
Risk
Brake drag may result in a wheel end fire.
Remedy
Caterpillar will notify owners, and dealers will replace the brake actuators, free of charge. An interim letter was mailed to owners on March 18, 2015. A second notice will be mailed once parts become available. Owners may contact Caterpillar customer service at 1-309-675-5658.
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
10154958Certain truck models that were built with 2013 through 2015 model year CT13 engines. Engine software OBD issues will be corrected which will aid in engine malfunction identification and proper diagnosis. In addition, under certain conditions, the Selective Catalytic Reduction (SCR) system inducement schedule may not function properly and may result in an increase in regulated air pollutants. Recalibration of the Engine Control Module (ECM) and Aftertreatment Control Module (ACM) needs to be completed.
10118226There is a problem with certain truck models that were built with 2013 through 2015 model year CT13 heavy duty on board diagnostic (HDOBD) engines. These engines will require recalibration of the engine ECM and ACM (aftertreatment control module). Certain On Board Diagnostic (OBD) issues will be corrected which will aid in engine malfunction identification and proper diagnosis.
10116466There is a problem which relates to engine emissions on certain CT660, CT680, and CT681 On Highway Trucks that were built with 2016 model year compliant CT13 Engines. This recall will require recalibration of the engine ECM. Certain On Board Diagnostic (OBD) issues will be corrected which will aid in engine malfunction identification and proper diagnosis. CT660 (S/N: TEJ00291-00305) CT660 (S/N: TEP01890, 1926, 1967-2020, 2022-2102) CT680L (S/N: TRX00170-00188) CT680LG (S/N: TWT00112) CT681SG (S/N: TWJ00219-00221)
10090053Aftertreatment outlet nox sensor internal water shield installation - water intrusion can cause the malfunction or failure of the aftertreatment outlet nox sensor on vertical exhaust configurations. The recommended repair IS to install a rain shield which prevents water from traveling down vertical exhausts from contacting the outlet nox sensor.
10089398CT11 and CT13 cylinder head crack inspection guide - CT11 and CT13 cylinder heads are cracking in the field. This technical information bulletin (tib) provides a guide for determining the severity and impact of cylinder head cracks on CT11 and CT13 engines.
10089337Extended life coolant (elc) exhibiting nitrite depletion in machines equipped with aluminum radiators-nitrites in extended life coolant (elc) can react with the aluminum cooler to produce elevated ph and low nitrite levels in schedule oil sampling (s@o@s) samples. As there are multiple issues that can contribute to the depletion of nitrite, contact your local cat dealer to request level 2 coolant analysis if nitrite depletion IS experienced.
10089318The existing exhaust flex pipe can crack on certain ct660, ct680, and ct681 on-highway trucks. If the existing exhaust flex pipe cracks it can/will result in an exhaust leak after the aftertreatment system but before the vertical stack. Replace the exhaust flex pipe and both cab shocks.
10078946Battery cable reroute - due to battery cable routing, there IS a chance that battery cable near starter may rub on bracket bolt that holds it in place.
10057954Navistar: various types navistar vehicles will be receiving updates on the rear s cam tube/ bracket parts. Updated 9/10/15
10057915Caterpillar: the engine emissions IS experiencing a defect, on certain trucks, and would need to be recalibrated to electronic control module (ecm) latest file. Model 2013-14 ct660, ct680 lg, ct681 sg.
Every Caterpillar CT681 model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.