2013 CATERPILLAR CT681 TSBs (4)

Bulletin:: TIBU-7408
Component:: 062200 engine and engine cooling:cooling system:fan
Summary:: Caterpillar: the fan will slip and cause excessive overheating that will damage the clutch, if air pressure that keeps fan drive engaged, drops below 621 kpa (90 psi). model ct660. *pe
Bulletin:: TEBE-2792
Component:: 060000 engine (pws)
Summary:: Caterpillar: 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. *pe
Bulletin:: IK0400125
Component:: 030000 brakes (pws)
Summary:: Navistar: various types navistar vehicles will be receiving updates on the rear s cam tube/ bracket parts. *ta updated 9/10/15 *cn
Bulletin:: M0066850-01
Component:: 060000 engine (pws)
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