Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| POWER TRAIN | |||||
| 041002 | 04/10/2002 | 636527 | Subject regarding powertrain mailboxes. *tt | 11/09/2002 | |
| 191K2K02 | 06/01/2002 | 634302 | This bulletin involves increased capacity t6 bearing and p3 sun gear carrier changes, all allison 1000,2000 and 2400 series.*jb | 09/28/2002 | |
| 8TR02 | 05/01/2002 | 14TR95 | 634251 | Information regarding automatic transmission, manual transmission instrument of warranty, at 542rm, at542nrm, at545rm, at545nrm, mt643rm, and mt653rm.*jb | 09/28/2002 |
| POWER TRAIN - AUTOMATIC TRANSMISSION | |||||
| 020730052 | 12/01/2002 | 10000774 | New essential tool j45096 transflow. 1998-2003 passenger cars and light duty trucks. *tt | 03/31/2003 | |
| 41 | 01/01/2002 | 637389 | Subject regarding transmission cold shift conditions on some 1999 - 2000 vehicles equipped with the 4t65e automatic transmission. *tt | 11/25/2002 | |
| 27TR01 | 10/01/2001 | 631984 | Subject regarding release of automatic transmission shallow sump oil filter kit, p/n 29540976, for all at model transmissions with 3.8 inch shallow oil pan. *slc | 06/27/2002 | |
| 020730003 | 01/01/2002 | 631911 | Subject regarding engineering changes to reaction shell thrust washer and use of new service kit for 2001 and prior camaro, corvette, firebird, silverado, tahoe, suburban, sierra, yukon, express, savana, astro, safari, s10, blazer, sonoma, | 06/25/2002 | |
| 27TR01A | 12/01/2001 | 631813 | Subject regarding the release of at shallow sump oil filter kit, p/n 29540976, all at 500 model transmissions with 3.8 inch shallow oil pan. *slc | 06/20/2002 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION - CONTROL MODULE (TCM, PCM) | |||||
| 181K2K02 | 06/01/2002 | 634290 | Information on incorrect range selection summary, model 1000 series.*jb | 09/28/2002 | |
| POWER TRAIN - AUTOMATIC TRANSMISSION - TORQUE CONVERTER | |||||
| 41 | 01/01/2002 | 637384 | Subject regarding torque converter diagnosis. *tt | 11/25/2002 | |
| POWER TRAIN - AXLE ASSEMBLY - AXLE SHAFT - SEAL | |||||
| 12WT02 | 05/01/2002 | 634265 | Vehicles may experience output seal leakage, all wt series.*jb | 09/28/2002 | |
| POWER TRAIN - DRIVELINE - DRIVESHAFT | |||||
| SB-070417001D | 05/01/2009 | 10030590 | General motors: a bump or thump noise is heard coming from the rear suspension or felt in the floor. the information affect vehicles with g67 automatic level control rear suspension. *pe | 10/23/2009 | |
| POWER TRAIN - MANUAL TRANSMISSION | |||||
| 21TR02 | 06/01/2002 | 634297 | Information regarding shift quality concerns with mechanical modulators or reduced modulation modifcation, model 500 series.*jb | 09/28/2002 | |
| 221K2K02 | 07/01/2002 | 634296 | Information on c1 piston housing assembly, models 1000, 2000, and 2400 series.*jb | 09/28/2002 | |
| 91K2K02 | 03/01/2002 | 634240 | Information on ground sleeve bushing material change, allison transmission models 1000,2000.2400 series.*jb | 09/28/2002 | |
| 18TR98A | 06/01/2002 | 26TR73E | 634282 | Vehicles may experience water and/or ethylene glycol in transmission oil, all allison transmission models.*jb | 09/28/2002 |
| 11TR84B | 04/01/2002 | 11TR84 | 634258 | Subject pertaining to turbine shaft, forward clutch and high clutch assembly, ht/clbt/v 700 series.*jb | 09/28/2002 |
| 7TR02 | 03/01/2002 | 634245 | Subject pertaining to thrust washers, allison transmission all 5000/6000 series.*jb | 09/28/2002 | |
| 14WT02 | 05/01/2002 | 634275 | Subject pertaining to retarder exhaust backfill valve stop retaining pin battering.*jb | 09/28/2002 | |
| 61K2K02 | 03/01/2002 | 634247 | Subject on pump bushings, allision transmissions all 1000,2000,and 2400 series.*jb | 09/28/2002 | |
| 16TR02 | 06/01/2002 | 634284 | Information regarding center support bolt, equipment affected, ht/clbt 700 and mt 600.*jb | 09/28/2002 | |
| 171K2K02 | 06/01/2002 | 634286 | Subject pertaining to main regulator valve modification for improved cooler flow at idle and torque converter friction plate changes, model 1000,2000,2400 and 2000mh series.*jb | 09/28/2002 | |
| 25WT02 | 07/01/2002 | 634295 | Subject regarding accumulator relay valve, all world transmissions.*jb | 09/28/2002 | |
| 281K2K01 | 11/01/2001 | 631921 | Subject regarding seal and gasket kit affecting all 1000, 2000, 2400 series. *slc | 06/25/2002 | |
| 26TR01 | 11/01/2001 | 631897 | Subject regarding 5/6000 series shift quality improvement for the following models: 5963, 6063, m5600, m6600, m5610, and m6610. *slc | 06/25/2002 | |
| 281K2K01 | 11/01/2001 | 631898 | Subject regarding seal and gasket kit for all 1000/2000/2400 series transmissions. *slc | 06/25/2002 | |
| 321K2501 | 12/01/2001 | 631896 | Subject regarding neutral start back up switch improvement for all 1000, 2000, 2400, 2000 mh series transmission models. *slc | 06/25/2002 | |
| 21K2K01A | 12/01/2001 | 631918 | Subject regarding implementation of version n04 software for 1000/2000/2400 transmissions. *slc | 06/25/2002 | |
| 23TR01 | 09/01/2001 | 631818 | Subject regarding converter housing stud changes for 8000, 9000 series off-highway transmissions. *slc | 06/20/2002 | |
| 311K2K01 | 12/01/2001 | 631811 | Subject regarding improved c5 clutch lubrication for 1000/2000/2400/2000mh series transmisssions. *slc | 06/20/2002 | |
| 291K2K01 | 12/01/2001 | 631807 | Subject regarding the control main filter for all 1000/2000/2400 series. *slc | 06/20/2002 | |
| 25WT00A | 12/01/2001 | 25WT00 | 631808 | Subject regarding sump cooling and direct mount cooling provision for hd/b 500 retarder equipped transmissions, hd 4000/b 500. *slc | 06/20/2002 |
| 301K2501 | 12/01/2001 | 631809 | Subject regarding a valve body kit for all 1000/2000/2400 series. *slc | 06/20/2002 | |