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ALLISON DIV ALLISON DIV Technical Service Bulletin

1995 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 42020 Bulletin Date: 19-Mar-1995
ENGINE AND ENGINE COOLING:ENGINE

NEW OUTPUT RETARDER ACCUMULATOR COVER GASKET RELEASE. *TW

1997 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 600194 Bulletin Date: 19-Apr-1998
POWER TRAIN:CLUTCH ASSEMBLY

CAMPAIGN BULLETIN ON CUSTOMER SATISFACTION CAMPAIGN TO INSTALL IMPROVED C5 CLUTCH FRICTION PLATES IN B 300(R), B 400(R), AND B 500(R) TRANSMISSIONS IN TRANSIT BUS AND TOUR COACH SERVICE. *YC

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 625282 Bulletin Date: 20-Jul-2001
OTHER

INFORMATION REGARDING TRANSFER PLATE PART NUMBER 23017500. *YD

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 625237 Bulletin Date: 20-Jul-2001
POWER TRAIN:AUTOMATIC TRANSMISSION

SUCTION FILTER REDESIGN WITH FELT MEDIA AND BYPASS. *ET

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 39436 Bulletin Date: 19-Mar-1993
POWER TRAIN:AUTOMATIC TRANSMISSION

NEW TRANSMISSION ACCUMULATOR. *TW

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 625288 Bulletin Date: 20-Jun-2001
POWER TRAIN:MANUAL TRANSMISSION

INFORMATION REGARDING REDUCED CLEARANCE PLANETARY SPINDLES AND SPINDLE RETAINING RING, INCLUDING MODELS MD3000/B300/B400/3000MH. *SLC

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 46846 Bulletin Date: 19-Jul-1995
POWER TRAIN:AUTOMATIC TRANSMISSION

HD 4000(R)/B 500(R) CALIBRATION CHANGES. *SD

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 46844 Bulletin Date: 19-Nov-1995
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTE

A SEPARATOR PLATE AND GASKET CHANGE WAS IMPLEMENTED ON ALL WORLD TRANSMISSIONS ON SEPTEMBER 1, 1995. THE CHANGE WAS IMPLEMENTED TO ELIMINATE CONVERTER REGULATOR PIN BATTERING. *SD

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 46845 Bulletin Date: 19-Dec-1995
POWER TRAIN:AXLE ASSEMBLY:BANJO HOUSING

NEW OUTPUT RETARDER ADAPTER TO RETARDER HOUSING GASKET. *SD

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 46847 Bulletin Date: 19-Dec-1995
POWER TRAIN:AUTOMATIC TRANSMISSION

RETARDER FLOW VALVE SPRING REDUCES THE CHANCE OF THE RETARDER STICKING IN THE 'ON' POSITION. *SD

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 37834 Bulletin Date: 19-Oct-1994
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTE

PROBLEMS WITH TORQUE CONVERTER ATTATCHING NUTS. *TW

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 37833 Bulletin Date: 19-Oct-1994
POWER TRAIN:CLUTCH ASSEMBLY

REDUCED CLUTCH CLEARANCE FOR IMPROVED SHIFT QUALITY. *TW

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 625195 Bulletin Date: 20-Aug-2001
POWER TRAIN:MANUAL TRANSMISSION

INFORMATION REGARDING WT PRODUCT CHANGES FOR CY2000 TRANSMISSIONS. *SLC

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 625187 Bulletin Date: 20-Jul-2001
POWER TRAIN:MANUAL TRANSMISSION

INFORMATION REGARDING 1000/2000/2400 RETRAN TRANSMISSIONS. *SLC

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 42021 Bulletin Date: 19-Mar-1995
POWER TRAIN:AUTOMATIC TRANSMISSION

PRODUCT ENHANCEMENT FOR REVERSE PRESSURE SWITCH, P/N 29503665. *TW

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 39435 Bulletin Date: 19-Feb-1993
POWER TRAIN:AUTOMATIC TRANSMISSION

A VITON O-RING HAS BEEN RELEASED TO SERVICE THE INNER O-RINGS.

9999 ALLISON DIV ALLISON DIV
NHTSA* TSB Technical Service Bulletin Number: 45902 Bulletin Date: 19-Jul-1995
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTE

ALLISON TRANSMISSION HAS DETERMINED THAT VEHICLES WHICH UTILIZE THE B 500/HD 4000 SERIES TRANSMISSION TORQUE CONVERTER HOUSING SIDE MOUNT PADS TO SUPPORT THE POWERPACK MAY CREATE A CRACK AROUND THE MOUNTING PAD. THIS CRACK MAY EVENTUALLY



* NHTSA is the National Highway Traffic Safety Administration: NHTSA.gov

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