C 3500 Truck 2WD V8-454 7.4L (1990)
Flex Plate: Service and Repair
4L60/4L60-E (700-R4) Transmission
1.
Disconnect battery ground cable.
2.
Remove air cleaner assembly.
3.
Disconnect TV cable at its upper end.
4.
Raise and support vehicle.
5.
Remove propeller shaft from vehicle.
6.
Disconnect speedometer cable, shift linkage assembly and electrical connectors from transmission.
7.
Remove transmission support brace attaching bolts from converter cover, if equipped.
8.
Remove converter cover, then mark flywheel and torque converter for installation.
9.
Remove exhaust crossover pipe and catalytic converter attaching bolts from vehicle.
10.
Remove torque converter to flywheel bolts and/or nuts.
11.
Disconnect catalytic converter support bracket.
12.
Position a suitable jack under transmission and raise slightly.
13.
Remove transmission crossmember to transmission mount bolt.
14.
Remove transmission crossmember to frame bolts and/or insulators, if equipped.
15.
Slide crossmember rearward and remove from vehicle.
16.
Lower transmission.
17.
Disconnect and cap transmission fluid cooler lines.
18.
Disconnect TV cable from transmission.
19.
Position a suitable jack under engine, then remove transmission to engine attaching bolts.
20.
Carefully separate transmission from engine. Install torque converter holding tool No. J-21366.
21.
Remove transmission from vehicle.
22.
To install transmission, reverse removal procedure.
