How does a Ford AOD transmission work?
How does a Ford AOD transmission work?
The AOD is a true hydromechanical 4-speed automatic transmission controlled by a manual shifter and throttle valve (TV) cable. They also have a throttle-controlled kickdown linkage, which works with the vacuum modulator to control shift-points mostly for wide-open throttle (WOT) downshift.
How to change the AOD transmission in a Ford?
Disconnect the driveshaft, shift, and kickdown linkages. Have a solid means of support beneath the transmission. Remove the dust cover to get at the torque converter and flexplate. Remove the torque converter fasteners with a 5/8-inch socket. Rotate the engine crankshaft to get at hard-to-reach fasteners.
How big is the flexplate on an AOD transmission?
The AOD takes a 164-tooth AOD-specific flexplate instead of the smaller 157-tooth pieces common to the C4 and early Ford manual transmissions. Because the AOD is longer, the crossmember must position the mount farther to the rear of the vehicle to support the transmission.
What’s the difference between a C4 and an AOD?
When you are swapping an AOD, it is important to recognize the differences between a C4 or early manual transmission and the AOD. The AOD takes a 164-tooth AOD-specific flexplate instead of the smaller 157-tooth pieces common to the C4 and early Ford manual transmissions. Because the AOD is longer,…
What kind of transmission do I need for a Ford Mustang?
The most common transmission swap with older Fords is from a C4, C6, or FMX to an AOD or manual 5-speed. The focus here is putting a Ford AOD into a classic Mustang and other vintage Ford applications, which are the more common swaps.
How to improve transmission reliability in Ford AOD?
Improving the Ford AOD’s Transmission Reliability 1 Re-engineering of the valve body: The first thing is a re-engineering of the valve body to engage the Reverse and… 2 Locking the Reverse sun gear to the Forward sun gear: More
When did the Ford AOD-E transmission come out?
A revised version of the AOD-E Transmission was released in 1993 with the Lincoln Mark VIII. Unlike the AOD-E, both 1st and 2nd gear ratios in the 4R70-W are numerically higher.
What’s the difference between AOD and AOD-W transmission?
Unlike the AOD-E, Reverse, 1st, and 2nd gear ratios in the 4R70-W are numerically higher, giving the transmission a better mechanical advantage and in turn, better take-off acceleration, better passing acceleration, slightly lower fuel consumption, and designed for better gearset strength; The 4th gear ratio in the 4R70-W is up 0.70:1 from 0.67:1.
Is the AOD transmission a bulletproof car?
The Ford AOD transmission shifting problem, therefore, gave it its unreliable performance reputation. Nonetheless, it wasn’t all bad things since there are features that will enable the Ford AOD to become a bulletproof transmission some car fanatics have been talking about all the while.
