Vehicle report

2012 CATERPILLAR CT681

Service bulletins

1 bulletin

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

M0066850-01

Service Bulletin/Repair Instructions

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 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.

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.

2012 Caterpillar Ct681 Service Bulletins: 1 bulletin | CarFathom