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1990 Buick LeSabre 3.8L No Downshift over 45mph in Drive
We dissasembled and rebuilt this transaxle, but now cannot get a downshift above 45 mph in 3rd or 4th gear. The throttle downshift cable is adjusted to the limit and hits the end of it's travel just when the throttle hits the floor. The Vacuum modulator is...
FIX posted 3/29/2000
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Message Closed w/FIX
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Related Documents & Media 
| VIN | 1G4HR54C1L |
| Engine | 3.8 L / 6 cyl |
| Affected | No Downshift Over 45Mph in Drive |
| Conditions | No Downshift, Low Max Line Pressure |
| Misc. | Turbo 440 Four Speed Overdrive Transaxle |
Message Closed w/FIX
Vehicle Data
1990 Buick LeSabre
| VIN | 1G4HR54C1L |
| Engine | 3.8 L / 6 cyl |
| Affected | No Downshift Over 45Mph in Drive |
| Conditions | No Downshift, Low Max Line Pressure |
| Misc. | Turbo 440 Four Speed Overdrive Transaxle |
Video