GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2007
🢒
HHR
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T45-E
🢒 Second Gear Only
Second Gear Only
Checks
Causes
1-2 Shift Valve (302)
Stuck in the down shifted position
