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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===Default operation=== | ===Default operation=== | ||
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A good quality scanner that can read codes, clear codes, and can read a live data stream as the transmission is controlled by the PCM is needed, not just a code reader device. | A good quality scanner that can read codes, clear codes, and can read a live data stream as the transmission is controlled by the PCM is needed, not just a code reader device. | ||
− | 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. and then from there you can diagnose your problems |
==Valve body== | ==Valve body== | ||
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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]] |