9999 MACK DM809 Recall

Campaign:: 70V034000 on 10/11/1979
Component:: Steering:hydraulic power assist:pump
Affected:: 247
Notes:: Possibility that power steering pump drive on dm models employing rubbercrankshaft vibration dam- per may become disengaged from pulleys during vehicleoperation.this condition will stop power steering pump and interrupt powerassist.(correct by installing double idler pulley.)

9999 MACK DM809 TSBs (4)

Bulletin:: K91214678
Component:: 102000 power train:manual transmission
Summary:: Automated manual transmission ( amt ) faults - diagnostic trouble codes ( dtcs ) p1052 - 18 , pid 33 fmi 5 intermittent fault in cold weather.updated with new information and procedure
Bulletin:: K93039325
Component:: 070000 fuel system, gasoline
Summary:: Mack chassis - diesel exhaust fluid ( def ) contamination in fuel system, inspection and repair - us10 and newer; includes us17 chassis (ghg17 only document in development)
Bulletin:: K11533602
Component:: 110000 electrical system
Summary:: Diagnostic tool ( j-pro, premium tech tool ( ptt ) ) displays incorrect timestamp for diagnostic trouble code ( dtc ) / fault code occurrences; system date and time information.improved title and description for better searchability
Bulletin:: K24413634
Component:: 110000 electrical system
Summary:: Mack chassis - diagnostic trouble code ( dtc ) / fault code spn 1231 fmi 9 inactive on dtc readout, counts in multiples of three - us10 emissions.reworded for clarity, added link to related cbr solution.