No vehicles are factory made with the Gear Vendors overdrive. It is an aftermarket part.
On the three speed, it is inside.On the overdrive trans, it is on the front outside.On the three speed, it is inside.On the overdrive trans, it is on the front outside.
Inside the auto trans.
The vehicle speed signal comes form the trans computer via the output speed sensor on the front of the trans.
If it was a manual trans it was a five speed. If it was an auot then it was a three speed with an electronic overdrive. So with the electronic overdrive it was a four speed trans but the overdrive failed frequently and was disabled by many owners.
take it to a trans shop.
Overdrive should be ran by electrical ,so check your fuses . If that's not it check wiring that runs to transmission.You will have to get under the vehicle . There is an electrical switch that shifts the trans into overdrive , that is your next step . If you have a owners manual in the glove box it should tell you which fuse runs the overdrive circuit .Hope this helps . Rick
its your trans, just drive it in non o/d mode and over the part its like 100 bucks take 20min to install
Not too familiar with your particualr vehicle, but I will try to offer a few suggestions. Some vehicles come with overdrive switches in the cab that allow you to shut the overdrive off. These can short out. Your tranny might also have a selenoid that's going bad or perhaps you just need to flush the tranny out.
Overdrive is the normally allowed position , but unless the speed is higher it won't shift into overdrive anyway
The yoke on the driveshaft of a gm turbo 350 trans has a small vent hole in it. If the trans is over filled to the point fluid comes out of it you will do serious damage to the trans if you try to drive the vehicle.
Safe but unnecessary. The trans will be constantly shifting in and out of overdrive in traffic and will put unnecessary wear on the transmission. Save it for the freeway.
My ford f150 auto. trans studder at around 50mph when in overdrive. why?