Dtc Case Study
#04-07-30-024E: No Movement in Drive or Reverse with or without DTC P0741, P0742, P0841, P1756,
P1758 or P1882 (Replace case Cover Assembly and
Filter) - (Jun 9, 2006)
This bulletin is being revised to add additional Correction information. Please discard
Corporate Bulletin Number 04-07-30-024D (Section 07 - Transmission/Transaxle).
Condition
Some customers may comment on the vehicle not moving in the "D" (Drive) or "R" (Reverse) gear selection positions. In many cases, the transaxle will also produce an audible grind or whine noise when attempting to operate in drive or reverse. The Service Engine Soon (SES) telltale may be illuminated with DTCs P0741, P0742, P0841, P1756, P1758, or P1882 set.
Cause
This condition may occur when the VT25E transaxle belt has …show more content…
5. Inspect the drive pinion gear bearing cup on the torque converter and differential housing assembly for damage or wear. If the bearing cup needs replacement, refer to Front
Differential Transfer Gear Bearing and Cup Replacement"in SI.
6. Place the front differential carrier and the front differential transfer gear into the housing.
7. Rotate the differential housing several times in both directions to check for knocking, gear bind or movement caused by small areas of damage (nicks/chips) on the gears. If the gears
Document ID: 1837052 Page 2 of 3 http://gsi.xw.gm.com/si/showDoc.do?docSyskey=1837052&from=bs 2/29/2008 do not rotate smoothly, replace the differential carrier and the transfer gear. Refer to Front
Differential Carrier Removal and Front Differential Transfer Gear Removal in SI.
8. Re-assemble the transaxle with a new case cover assembly. Refer to Case Cover Assembly
Installation in SI.
9. Flush the cooler lines using the flushing procedures in Corporate Bulletin Number 03-07-30-
022.
10. Install the transaxle in the vehicle. Refer to Transmission Replacement in SI.
Parts Information
Warranty Information
For vehicles repaired under warranty,
P1758 or P1882 (Replace case Cover Assembly and
Filter) - (Jun 9, 2006)
This bulletin is being revised to add additional Correction information. Please discard
Corporate Bulletin Number 04-07-30-024D (Section 07 - Transmission/Transaxle).
Condition
Some customers may comment on the vehicle not moving in the "D" (Drive) or "R" (Reverse) gear selection positions. In many cases, the transaxle will also produce an audible grind or whine noise when attempting to operate in drive or reverse. The Service Engine Soon (SES) telltale may be illuminated with DTCs P0741, P0742, P0841, P1756, P1758, or P1882 set.
Cause
This condition may occur when the VT25E transaxle belt has …show more content…
5. Inspect the drive pinion gear bearing cup on the torque converter and differential housing assembly for damage or wear. If the bearing cup needs replacement, refer to Front
Differential Transfer Gear Bearing and Cup Replacement"in SI.
6. Place the front differential carrier and the front differential transfer gear into the housing.
7. Rotate the differential housing several times in both directions to check for knocking, gear bind or movement caused by small areas of damage (nicks/chips) on the gears. If the gears
Document ID: 1837052 Page 2 of 3 http://gsi.xw.gm.com/si/showDoc.do?docSyskey=1837052&from=bs 2/29/2008 do not rotate smoothly, replace the differential carrier and the transfer gear. Refer to Front
Differential Carrier Removal and Front Differential Transfer Gear Removal in SI.
8. Re-assemble the transaxle with a new case cover assembly. Refer to Case Cover Assembly
Installation in SI.
9. Flush the cooler lines using the flushing procedures in Corporate Bulletin Number 03-07-30-
022.
10. Install the transaxle in the vehicle. Refer to Transmission Replacement in SI.
Parts Information
Warranty Information
For vehicles repaired under warranty,