Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
RN-611-308/29/201110041348Peterbilt: coolant fill line routed incorrectly. *rm09/27/2011
RN-611-308/29/201110041348Ready09/27/2011
SB-1210201/26/201110040346Ready08/23/2011
SB-1210201/26/201110040346Peterbilt: a coolant level sensor does not meet standards. it may leak coolant into the engine harness, and can make the harness susceptible to corrosion. *rm08/23/2011
703R09/17/200310004653Under normal operating conditions, the water (coolant) temperature on model 320 and model 387 vehicles will be between 210 degrees f and 225 degrees f (99 degrees c and 107 degrees c). current water temperature gauges in these vehicles sho12/29/2003
0704/09/200310002175Complaints regarding brown or discolored engine coolant. *tt08/14/2003
ENGINE AND ENGINE COOLING - COOLING SYSTEM
SB-1210201/26/201110040346Peterbilt: a coolant level sensor does not meet standards. it may leak coolant into the engine harness, and can make the harness susceptible to corrosion. *rm08/23/2011
SB-1210201/26/201110040346Ready08/23/2011
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
SB-12-1010/26/201010037256Ready05/16/2011
SB-12-1010/26/201010037256Peterbilt: when there is a fan hub or cooling issue such as an audible air leak there needs to be an inspection of the air supply line. *rm05/16/2011
ENGINE AND ENGINE COOLING - ENGINE
CC-C-116605/09/201210044083Peterbilt: the recalibration of engine control module (ecm) of paccar px-6 and px-8 engine. *pe05/09/2012
SB-E-04409/23/201110042624Peterbilt: see document search button for owner letter. information provided for product improve by replacing cylinder head valve spring on certain trucks. *pe12/30/2011
RN-611-308/29/201110041348Peterbilt: coolant fill line routed incorrectly. *rm09/27/2011
RN-611-308/29/201110041348Ready09/27/2011
ENGINE AND ENGINE COOLING - ENGINE - DIESEL
RN-1010212/16/201010040186Peterbilt: rear engine mounts may have been assembled with insufficient torque. if not fixed it may cause damage to the engine mount and bracket. *rm08/16/2011
RN-1010212/16/201010040186Ready08/16/2011
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
FSB #69703/28/199752414Notification to dealers that upgrading the horsepower of factory configured engines will void any warranty repairs on the engine. *tw07/24/1997
ENGINE AND ENGINE COOLING - ENGINE - OTHER FUEL TYPES - TURBO-CHARGER
RN-1108112/03/200810030409Peterbilt: px-8 turbocharger turbo piping repair notice. notify dealers of repairs on the piping for the turbocharger oil drain on all paccar px-8 engines assembled in vehicles built between 3/2/07-6/3/08. *pe09/29/2009
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM
SB-2-0902/09/200910030405Peterbilt: a new diesel particulate filter (dpf) available for 2007 paccar px-8 and cummins cm2150 series isl engines. the new dpf contains a more robust substrate than the current version. *pe09/29/2009
408-106/27/200810025308408-1 clean gas induction (cgi) and main exhaust pipe couplings. this field repair notice is applicable to peterbilt vehicles built with caterpillar 2007 emissions compliant engines. certain vehicles with 2007 emission compliant caterpill07/28/2008