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SVT Shelby GT500
2012 Gt500 Goes into gear, but wont move forward
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<blockquote data-quote="Bad Company" data-source="post: 16991330" data-attributes="member: 141815"><p>I'm assuming you've tried every gear in the transmission and the car wont move, yet the speedometer is showing as if the car was moving by increasing and decreasing in MPH with the car sitting still. The speed sensor for the speedometer is located in the tail shaft of the transmission and senses the speed of the main/output shaft of the transmission, which is connected to the driveshaft. </p><p></p><p>I'd be looking at the rear end to see if you wrung of the input shaft of the pinion gear. Or I'd be looking at the driveshaft to see if it is turning or if you've wrung that off. With the car sitting on jack stands, check to see if the driveshaft is turning with the car in gear and the engine running. If the driveshaft is turning the problem is in the rear end. If the driveshaft is the problem you'll see it when you look under the car. The main shaft of the transmission could have wrung off also after the speed sensor, which is allowing the speedometer to work, but isn't transferring power to the driveshaft. </p><p></p><p>Your car has a two piece steel driveshaft, you could have wrung off the splines at the carrier bearing also. So the front half of the shaft is turning, but the rear half isn't. Hopefully this is what you've done, as it will be the cheapest and easiest to fix. There are numerous aftermarket sources to purchase a 1 piece replacement aluminum driveshaft for your car. It is one of the first things that should have been upgraded as soon as you start adding HP to this car.</p></blockquote><p></p>
[QUOTE="Bad Company, post: 16991330, member: 141815"] I'm assuming you've tried every gear in the transmission and the car wont move, yet the speedometer is showing as if the car was moving by increasing and decreasing in MPH with the car sitting still. The speed sensor for the speedometer is located in the tail shaft of the transmission and senses the speed of the main/output shaft of the transmission, which is connected to the driveshaft. I'd be looking at the rear end to see if you wrung of the input shaft of the pinion gear. Or I'd be looking at the driveshaft to see if it is turning or if you've wrung that off. With the car sitting on jack stands, check to see if the driveshaft is turning with the car in gear and the engine running. If the driveshaft is turning the problem is in the rear end. If the driveshaft is the problem you'll see it when you look under the car. The main shaft of the transmission could have wrung off also after the speed sensor, which is allowing the speedometer to work, but isn't transferring power to the driveshaft. Your car has a two piece steel driveshaft, you could have wrung off the splines at the carrier bearing also. So the front half of the shaft is turning, but the rear half isn't. Hopefully this is what you've done, as it will be the cheapest and easiest to fix. There are numerous aftermarket sources to purchase a 1 piece replacement aluminum driveshaft for your car. It is one of the first things that should have been upgraded as soon as you start adding HP to this car. [/QUOTE]
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SVT Shelby GT500
2012 Gt500 Goes into gear, but wont move forward
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