Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
POWER TRAIN
00773100171904l60e, 4l65e replacement valve body gaskets does not seem to fit. *tt10/27/2005
30023002D100088024l60e/4l65e intermittent neutral condition while accelerating from a stop or while driving. *tt 1999-2006 gm cars, light duty trucks and utilities. *tt08/23/2004
990730016A10/01/2002990730016B10007838Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan. *tt07/12/2004
0159901/01/2004100072374l60e, 4l65e forward and low reverse waved steel clutch plate appearance change. *tt06/04/2004
00822B01/01/200400822C10005474No 2nd, no 4th and no reverse. to include 2004 light duty automobiles and trucks equipped with 4l60e or 4l65e automatic transmission. *tt02/27/2004
POWER TRAIN - AUTOMATIC TRANSMISSION
03073005611/01/2003100055664l60-e automatic transmission oil pump first and second design identification. *tt03/04/2004
010730038B10/01/2005010730038C10005162The service engine soon lamp is illuminated, no 3rd and 4th gear, the transmission does not shift correctly, the transmission feels like it shifts to neutral or a loss of drive occurs. *tt02/09/2004
0143201/01/200310004412Automatic transmission poor acceleration, performance. *tt12/05/2003
01073003812/01/2001010730038D628934Some customers may comment that the service engine soon lamp is illuminated, no 3rd and 4th gear, the transmission does not shift correctly, the transmission feels like it shifts to neutral or a loss of drive occurs. *tt03/25/2002
01073004312/01/2001628815Subject regarding diagnostic tips for slipping or missing second, third and/or fourth gear. *tt03/21/2002
01-60106/01/2001619762Subject regarding investigation of harsh shifts on 4l60e automatic transmission. *tt06/28/2001
01060106/01/2001619765Subject regarding an investigation of 2-4 band or 3-4 clutch damage on 4l60e automatic transmission. *tt06/28/2001
01073002105/01/2001619742This technical service bulletin states that technicians may experience difficulty in removing the connectors from the park / neutral position switch, usually when trying to remove the switch during transmission service. *tt06/26/2001
POWER TRAIN - AUTOMATIC TRANSMISSION - LEVER AND LINKAGE - COLUMN SHIFT
020730024A08/01/2005020730024B634999Diagnosis of cracked or broken transmission case. *tt 2006 and prior cars and light duty trucks. *tt10/11/2002
29110011/29/2000616395Some vehicles may exhibit a low speed shutter or vibration during tight left or right turns like you'd make in a parking lot at speeds of up to five miles per hour on dry pavement. *tt02/25/2001
POWER TRAIN - MANUAL TRANSMISSION
01073003611/01/2001627912Service engine soon lamp illuminated, incorrect transmission shifts, poor performance of engine, transmission slipping. *yh02/26/2002
POWER TRAIN - TRANSFER CASE (4-WHEEL DRIVE)
3012B3012A10008806The nvg 136 all wheel drive (awd) transfer case and the 236 and 246 nvg selectable transfer cases operating in the auto mode may exhibit a condition of a vibration/shudder during low speed turns such as a parking lot maneuver, up to approxi08/23/2004
0140911/18/200310004212The nvg 136 all wheel drive (awd) transfer case and the 236 and 246 nvg selectable transfer case shudder on turns. *tt11/21/2003
99042100512/01/2005990421005E10000081Transfer case shudder. *tt02/12/2003

Consumer Complaints


Fail datemilesoccurencesPurchase date
POWER TRAIN
07/15/200224000
 The july 2002 failure (first of two) of the 2001 astro awd transmission was fully covered by the warranty. i bought the vehicle used with 8000 miles in february 2001. it had been purchased new in august 2000. i drove it for 16000 miles in 16 months (24000 odo), and the transmission would not go into reverse or 3rd gear. the dealer repaired the transmission and gave a one year/12000 mile warranty on their work. unfortunately the repaired transmission is now slipping in 3rd and i am afraid to drive it. it is over one year since the july 2002 fix, but i have just driven it over 11000 miles (35000 odo). i have not yet contacted the dealer, but i fear that the response will be isn't that just too bad
POWER TRAIN - AUTOMATIC TRANSMISSION
04/20/20091380001
 Transmission, put van in gear and sometimes it does not engage. finally vehicle makes a loud pop and jumps while foot on the gas. *tr
POWER TRAIN - AUTOMATIC TRANSMISSION - LEVER AND LINKAGE - COLUMN SHIFT
11/30/20013
 Vehicle has been serviced by dealer several times for all wheel drive light constantly illuminated. vehicle has been checked by dealer, who has to constantly replace transfer case control module. consumer lives in mountainous area, and is very concerned about all wheel drive performance when needed.*akthis problem started soon after the vehicle was purchased. the problem still exists. *jg
POWER TRAIN - DRIVELINE - DIFFERENTIAL UNIT
509/01/2000
 Dealer not fixing problems with brakes and drive terrain. chevrolet no help in repair either. please help! mr
POWER TRAIN - TRANSFER CASE (4-WHEEL DRIVE)
03/03/2004146000108/30/2001
 Transfer case control module failed at 146,000 miles in 2001 awd chevy astro. *jb