Editing Troubleshooting 4L60E transmissions
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If those are the problems, suspect that the drive shell has broken or has stripped out splines. When the drive shell fails, the results is no reverse, 2nd gear or 4th gear. Check for there being three complete shifts of the forward gears. Shift 1st to 2nd gear, then shift 2nd to 3rd gear, then shift 3rd to 4th gear (overdrive). | If those are the problems, suspect that the drive shell has broken or has stripped out splines. When the drive shell fails, the results is no reverse, 2nd gear or 4th gear. Check for there being three complete shifts of the forward gears. Shift 1st to 2nd gear, then shift 2nd to 3rd gear, then shift 3rd to 4th gear (overdrive). | ||
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3rd gear is all the transmission will have if there is no power to it. If the transmission has 1st gear, it has power to it and is allowed to have 1st gear by the ECM. | 3rd gear is all the transmission will have if there is no power to it. If the transmission has 1st gear, it has power to it and is allowed to have 1st gear by the ECM. | ||
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Some scanners can take over control of the transmission for a better diagnostic test of the operation as the vehicle is driven. | Some scanners can take over control of the transmission for a better diagnostic test of the operation as the vehicle is driven. | ||
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[[Category:GM]] | [[Category:GM]] | ||
[[Category:Transmission]] | [[Category:Transmission]] | ||
+ | [[Category:Undeveloped articles]] | ||
+ | [[Category:Troubleshooting]] | ||
+ | [[Category:Undeveloped Troubleshooting articles]] | ||
+ | [[Category:Undeveloped Transmission articles]] |