Rpm bouncing
#21
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You changed the fluid and filter. Are you sure you bought the correct filer? The H3/H3T and Colorado/Canyon 4X4s use a dedicated filter, different from all the other filters for L460E Trans equipped vehicles. If you put the wrong filter in, it will get dislodges and not properly pick up fluid from the pan. Has to have the corner cut out like below.
#22
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Ok, that's not it. Did you scan and check for codes stored? RU using top tier gas?
#23
![Default](/forum/images/icons/icon1.gif)
You changed the fluid and filter. Are you sure you bought the correct filer? The H3/H3T and Colorado/Canyon 4X4s use a dedicated filter, different from all the other filters for L460E Trans equipped vehicles. If you put the wrong filter in, it will get dislodges and not properly pick up fluid from the pan. Has to have the corner cut out like below.
https://www.youtube.com/watch?v=9aapxfdAbKs
https://www.youtube.com/watch?v=9aapxfdAbKs
#27
![Default](/forum/images/icons/icon1.gif)
Good, now check/inspect the connector/wiring to the transmission:
1. At the plug to the transmission, check for 12 volts on pin E Pink wire.
2. Ground on the pin V Light Blue.
3. Verify pin K Brown/White wire is not open or shorted back to the Powertrain Control Module (PCM) Blue connector pin 23.
4. If all the above is OK with everything plugged in, backprobe the Brown/White and check for square wave signal with the engine running.
5. If no signal is present, then replace the input speed sensor.
To replace the input speed sensor requires removal of the transmission and then removal of the front pump from the transmission assembly
1. At the plug to the transmission, check for 12 volts on pin E Pink wire.
2. Ground on the pin V Light Blue.
3. Verify pin K Brown/White wire is not open or shorted back to the Powertrain Control Module (PCM) Blue connector pin 23.
4. If all the above is OK with everything plugged in, backprobe the Brown/White and check for square wave signal with the engine running.
5. If no signal is present, then replace the input speed sensor.
To replace the input speed sensor requires removal of the transmission and then removal of the front pump from the transmission assembly
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