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Do you have a manual of automatic transmission ? If It’s a automatic transmission and you cannot use your D, Eric says in this video to change the transmission.
[video]http://www.youtube.com/watch?v=dC-Ssyg7fg4[/video]
[video]http://www.youtube.com/watch?v=JGbsgpp2YJQ[/video]
[video]htt://www.youtube.com/watch?v=KXGRMqHJJ4U[/video]
The fluid level is fine, just a little confused about why the car can move backward and not forward. Not too learned in automatic transmissions. The tranny has a modulator valve on it, could that be a source of the problem?
if the modulator has a vacuum line see if its cracked
or broken. I know thats for controlling shift points
while driving. I don’t know about taking off.As I can see, you have a automatic transmission. Well, the only thing you can change on an automatic transmission is the speed sensor and the shifting solenoid that permit oil pressure to come and foward you.
Did you try to shift in the 1 and 2 gears ?
How to learn how an automatic transmission work.
[video]http://www.youtube.com/watch?v=JGbsgpp2YJQ[/video]
[video]http://www.youtube.com/watch?v=0Qf6O0oAs7U[/video]
get a “range chart” for your transmission and see what all forward gears have in common. In some transmissions for example, the “intermediate band” is applied for all forward gears; thus, making it suspect when all forward gears are lost.
Some other items to consider when losing all gears is low trans. fluid, contaminated trans. fluid, faulty governor, low mainline pressure (failing pump or pump seal) or a blockage in the valve body (all it takes is something the size of a human hair to bind up a valve.)
be kind to the thunder chicken and it will be nice to you.
We could speculate on this all day but the fact is if you have worn transmission internals causing the problem, you’re going to need a transmission. With a vehicle that old there aren’t enough electronics in it to make a difference. I guess what I’m trying to say it’s not likely to be an electrical problem. Also, it’s not likely to be a modulator. Modulators are signals to the transmission to tell how much of a load the engine is under, even if they fail it should still shift through the gears. That said, you should probably be on the lookout for a reman transmission or a reputable shop that can rebuild yours.
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