| Caterpillar Model | Number of Bulletins |
|---|---|
| 2017 CT681 | |
| 2016 CT681 | |
| 2015 CT681 | |
| 2014 CT681 | |
| 2013 CT681 | |
| 2012 CT681 |
| Bulletin Date: | Feb. 2, 2019 |
| Component: | Electrical system |
| Bulletin Summary: | Certain 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 conditio |
| Vehicles covered in this TSB: |
2014 Caterpillar CT660,
2015 Caterpillar CT660,
2016 Caterpillar CT660,
2017 Caterpillar CT660,
2014 Caterpillar CT680,
2016 Caterpillar CT680,
2017 Caterpillar CT680,
2014 Caterpillar CT681,
2015 Caterpillar CT681,
2016 Caterpillar CT681,
2017 Caterpillar CT681.
|
| Bulletin Date: | Nov. 10, 2016 |
| Component: | Engine (pws) |
| Bulletin Summary: | Extended 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 s |
| Vehicles covered in this TSB: |
2012 Caterpillar CT660,
2013 Caterpillar CT660,
2014 Caterpillar CT660,
2015 Caterpillar CT660,
2016 Caterpillar CT660,
2017 Caterpillar CT660,
2012 Caterpillar CT680,
2013 Caterpillar CT680,
2014 Caterpillar CT680,
2015 Caterpillar CT680,
2016 Caterpillar CT680,
2017 Caterpillar CT680,
2012 Caterpillar CT681,
2013 Caterpillar CT681,
2014 Caterpillar CT681,
2015 Caterpillar CT681,
2016 Caterpillar CT681,
2017 Caterpillar CT681.
|
| Bulletin Date: | Nov. 8, 2016 |
| Component: | Cooling exhaust system |
| Bulletin Summary: | The 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. Rep |
| Vehicles covered in this TSB: |
2014 Caterpillar CT660,
2015 Caterpillar CT660,
2016 Caterpillar CT660,
2017 Caterpillar CT660,
2014 Caterpillar CT680,
2015 Caterpillar CT680,
2016 Caterpillar CT680,
2017 Caterpillar CT680,
2014 Caterpillar CT681,
2015 Caterpillar CT681,
2016 Caterpillar CT681,
2017 Caterpillar CT681.
|