highway driving
Shifts the transmission in/out of overdrive Shifts the transmission in/out of overdrive
If the problem with the transmission is overdrive related it may.
On the 1992 Buick Roadmaster, the overdrive feature is controlled by the transmission, specifically the 4L60E automatic transmission. There is no separate overdrive switch; instead, the overdrive engages automatically when the vehicle is in Drive (D) and the transmission reaches a certain speed. To disable overdrive, you can shift the transmission into the "3" position, which prevents it from shifting into overdrive.
If it has overdrive it is most likely a 700R4 transmission, if it doesn't,it is most likely a 350 turbo.
what would transmission not to shift in to overdrive
Something small with a 4 cylinder engine and a standard transmission.
No. Three speeds are normally without overdrive. There may be another transmission that you could replace it with to get overdrive.
That truck came factory with a 700R4 transmission. And that has overdrive in it already.
The 1996 Ford Explorer overdrive sensor can be found on the right hand side of the transmission. The overdrive sensor will be near the front of the transmission.
The Overdrive Light flashing indicates an internal transmission problem which could be caused by anthiny inside the transmission. Most likely the transmission would have to be removed and taken apart to find the problem.
inside of transmission
An overdrive transmission allows for less engine speed and thus greater engine economy. When in overdrive the transmission has a gear drive of less than then the engines speed. In the General Motors 4L60E Hydramatic transmission for example, in overdrive gear (4th) the transmission has a ratio of . 70. This means for each 1 rotation of the crankshaft, the output shaft of the transmission rotates . 7.