2012 Caterpillar CT660 technical service bulletins
98 technical service bulletins and manufacturer communications cover the 2012 Caterpillar CT660.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Product Link models PL121/321s will stop sending data after April 6th, 2019
- Extended life coolant (ELC) exhibiting nitrite depletion in machines equipped with aluminum...
- Ecpc valves may fail on cat transmission systems
- Spn 731 fmi 16/18 knock detected for cat CT11 and CT13 engines - the following procedure is for...
- Replacement procedure for high-pressure turbocharger cartridge on CT11 and CT13 engines - this procedure...
- Oxygen sensor calibration procedure for the ct vocational trucks - this special instruction explains the...
- Excessive engine oil consumption on CT13 engines with SCR - on certain CT13 engines with SCR, carbon CAN...
- Technical information bulletin conveying information to dealers to improve diagnostic and troubleshooting...
- The intake throttle valve is causing regeneration issues on certain on-highway truck engines - customers...
- Coolant pipe leaks on certain CT660 on highway trucks - the new coolant pipe with support bracket has been...
- Recalibration of cat ® CT660 15L electronic control module (ECM) is now available for certain...
- Recalibration of cat ® CT660S 13L electronic control module (ECM) is now available for certain on-highway...
- Aftertreatment outlet nox sensor internal water shield installation - water intrusion CAN cause the...
- Product support program for replacing the number two clutch seal housing fasteners on certain CT660...
- Product support program for replacing the number two clutch seal housing fasteners on certain CT660...
- CT11 and CT13 cylinder head crack inspection guide - CT11 and CT13 cylinder heads are cracking in the field
- Product support program for replacing the number two clutch seal housing fasteners on certain CT660...
- Product support program for replacing the radiator core on certain CT660 on highway trucks equipped with a...
- A/C Refrigerant Quantity Is Incorrect for CT660 On Highway Trucks
- Navistar: various types navistar vehicles will be receiving updates on the rear s cam tube/ bracket parts
- Incorrect housing on the rear tandem axle on some CT660 highway trucks
- Caterpillar: on certain trucks with manual transmission, lower shift lever boot needs to be modified to...
- Caterpillar: the engine emissions is experiencing a defect, on certain trucks, and would need to be...
- Caterpillar: improper routing of transmission harness is damaged by seat frame and needs rerouting from...
- Caterpillar: the tube, in some applications, was improperly connected to suspension dump switch failed and...
- Caterpillar: instruction procedural regarding installation of updated turbocharger oil supply tube and...
- Caterpillar: procedure information on adding/installing support brackets, to bottom of hood, to prevent...
- Caterpillar: the fan will slip and cause excessive overheating that will damage the clutch, if air...
- Procedure to install the bottom side hood support bracket on the CT660 - the procedure below explains the...
- Caterpillar: fastener in joint between cab/frame and cab shock absorber is under torqued, along with...
- Caterpillar: the battery cables current routing, near starter, is rubbing against the bracket bolt that...
- Caterpillar: under certain condition, condensation, frost, moisture, or fog is very visible inside...
- Caterpillar: special instruction provided regarding the installation the bottom side hood support bracket.
- Caterpillar: procedure for repairing a high fault code for defsp temperature out of range and need to...
- Installation instruction for intermittent wiper switch for certain on highway truck - the purpose of this...
- 2010 caterpillar CT11 and CT13 engine EGR cooler service plan - this special instruction describes the EGR...
- CT13 3361-3 defsp temp out of range high fault code diagnostics - the document below shows the repair...
- Spn 111 fmi 1 2010-2013 CT11 and CT13 coolant consumption
- Spn 190 fmi 0 engine overspeed vehicle event fault for cat CT11 and CT13 engines
- Spn 3055 fmi 15 below minimum with maximum command troubleshooting for certain CT660 on highway trucks -...
- Spn 3055 fmi 1 no start due to low rail fuel pressure troubleshooting for certain CT660 on highway trucks...
- Caterpillar: an improved and new torque value will help reduce the noise and make cab shock absorber more...
- Caterpillar: information provided regarding the oxygen sensor (02S) calibration special instruction...
- Caterpillar: some trucks, if an internal oil seal (high pressure turbo), is contaminated with engine...
- Product improvement program for removing 3866732, 3884380, and 4325262 gauge clusters from dealer parts...
- Caterpillar: information instructions, for some trucks, on the installation of the intermittent wiper switch
- Caterpillar: the hydrocarbon injector port is plugged causing frequent or improper aftertreatment...
- Caterpillar: failure of high pressure turbo on some trucks and repair solution in troubleshooting guide
- Caterpillar: information regarding the doser nozzle keeps plugging up from the carbon bridging over...
- Caterpillar: on certain trucks, after in service for short time, the ring existing support assembly will...
- Caterpillar: information provided regarding intermittent wipers installation on certain trucks
- Caterpillar: special information instructions on installation, troubleshooting and configuration procedure...
- Caterpillar: the high temp radiator CAN fail, in cold weather, due to thermal shock load on certain trucks...
- Caterpillar: a whistle sound, on some trucks, caused by the design of the existing SCR pipe
- Caterpillar: due to location of radio antenna and cb antenna, they keep breaking when hitting tree limbs...
- Caterpillar: the afi fuel supply line CAN rub through from fuel system return line, due to incorrect...
- Caterpillar: information being provided regarding procedures, in repairing and testing, of misplaced valve...
- Caterpillar: when truck is either parked or stopped, engine would increase RPM while idling, and...
- Caterpillar: due to front axle front spring pin is coming loose, trucks experiencing failures, because...
- Caterpillar: the existing failure of exhaust gas recirculation (EGR) valve, on certain trucks, causes...
- Caterpillar: the gauges (speedometer, transmission oil temperature, tachometer, etc.), on instrument...
- International: due to road vibration, on some trucks, the power steering line p clamp and oil dipstick...
- Caterpillar: the mounting harness location of ECM mount has engine harness rubbing against it and if ECM...
- ECM Mount Modification
- Caterpillar: information instructions regarding, the flushing and cleaning contaminated cooling system,...
- CT11, CT13, and CT15 Cooling System Flush After Oil Cooler
- Caterpillar: information regarding the diagnostic procedure for stand alone real time clock (SART) module...
- SART Module Diagnostic Procedure for Certain On Highway Trucks
- Sheppard Gearbox and Power Steering Pump Specifications Are Now Available
- Caterpillar: information being provided, as a guideline, for the inspection of buffing, polishing body and...
- CT660 Vision Link "Ghost Codes" Instrument Cluster Generated Codes
- Caterpillar: on some engines, the valve covers have bolts that varies in different lengths
- Gage Cluster Transmission Oil Temperature Is Inaccurate After Cluster Replacement
- CT11 and CT13 Valve Cover Bolts
- CT660 Instrument Gauge Cluster
- Rear Axle Alignment Specifications
- Caterpillar: due to early hours failures, information provided for proactive inspection sheets to have...
- Proactive Inspection Sheet for Certain CT660 On-Highway Trucks
- Product support program for inspecting the 396-3793 engine wiring harness and possibly repairing the...
- Certain CT660 Trucks with Manual Transmissions Have Been Disengaging Out of Select Gears
- Procedure to Install the High Pressure Fuel Pump on the CT660 On Highway Truck
- Product support program for installing a ground wire for the AC compressor clutch solenoid on certain...
- Product support program for replacing the clutch lever and rod assembly on certain CT660 on highway truck
- Product support program for reworking the air control valve (ACV) connector on certain CT660 on highway trucks
- Replacement Procedure for Fuel Injection Pump on Certain CT11 and CT13 Engines in CT660 Vocational Trucks
- Caterpillar: to connect the new fixed style (pigtail) connector, for fuel sender, would require an...
- Caterpillar: on certain trucks, information is provided regarding the programming and the synchronization...
- Caterpillar: some air control valve (ACV) had plugs installed backwards in empty connector cavities
- Iknow: some vehicles may experience inoperative door locks or difficulty opening locks
- Caterpillar: on CT660 trucks experience increase in engine RPM when idling, in park or not moving, due...
- Caterpillar: the charge air cooler hose on some trucks needs replacing, with new robust design hose, due...
- Caterpillar: on certain CT660 on highway trucks, existing air dryer heater fails to function in cold...
- Caterpillar: on certain highway trucks, the high pressure fuel pump may become inoperative due to...
- Caterpillar: the product link was not installed on certain CT660 before being built and information for...
- Caterpillar: on CT660 with CX31 non retarded transmissions, issue with overheating transmission caused by...
- Caterpillar: moisture condensation on headlight lens will become prevalent under certain atmospheric...
- Caterpillar: a permanent repair of ballooning and hose collapsing of the charge air cooler (CAC) hose at...
- Body and Chassis Paint Guidelines
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