2003 Chevy 2500hd Transmission Problems. The worst complaints are transfercase adapter cracked leaking fluid whinning noise. Although you may have some of these symptoms problems with your 4L60E Transmission the repair solution may differ.
Its way less expensive than replacing a bad torque converter. The worst complaints are transfercase adapter cracked leaking fluid whinning noise. If there is a clunking sound as you do this the transmission mounts may have failed.
2003 Chevrolet Silverado transmission problems with 65 complaints from Silverado owners.
TSB PIP4051C Harsh Shifting Chevrolet Silverado 2500 HD 4L60E Problem Unusually harsh gear changes combined with a P0717 DTC for an input shaft speed sensor error are often caused by damage to the ISS sensor wiring. Enter the vehicle and put the transmission in gear. Regulator valve wearing out the valve body bore. You may be confusing the torque converter clutch engagement with od.