Removal (G Series) - Chevrolet Light Duty Truck 1973 Service Manual

6 -2 2 ENGINE
ON ALL SERIES EXCEPT CS 10-20-30:
• Remove clutch housing.
• Loosen clutch mounting bolts a turn at a time (to
prevent distortion of clutch cover) until the
spring pressure is released. Remove all bolts,
clutch disc and pressure plate assembly.
11. Mount engine in engine stand and remove lifting
device and lifting adapter.

Removal (G Series)

1. Remove engine cover and position it out of way.
2. Disconnect battery ground cable at engine block
and at battery.
3. Drain cooling system and disconnect heater hoses
at engine; disconnect radiator hoses at radiator.
4. Disconnect automatic transmission cooler lines at
radiator.
5. Remove fan guard and radiator.
. Disconnect oil pressure gauge, if so equipped.
6
7. Disconnect engine wiring harness at dash panel
junction block.
. Disconnect Delcotron wires at rear of Delcotron.
8
9. Disconnect TCS system electrical leads at car­
buretor mounted CEC valve and at temperature
switch - remove harness from clips and position it
to one side.
10. Disconnect Evaporation Control System lines at air
cleaner and at carburetor - position lines to one
side.
11. Disconnect accelerator linkage at dash panel
mounted bell crank.
12. Disconnect power brake vacuum line at inlet
manifold.
13. Raise vehicle on a hoist and disconnect:
Fig. 2L—Brake Line Disconnects
• Fuel line (from tank) at fuel pump.
• Engine ground strap(s).
• Steering idler arm at frame.
• Steering pitman arm at steering gear as outlined
in Section 9.
• Battery positive cable at starter.
• Speedometer cable at transmission.
• TCS switch at transmission - remove bell
housing mounted clip and position wiring to one
side.
• Exhaust pipe at manifold and at pipe hangers -
then remove exhaust system from vehicle.
• Transmission at crossmember.
• Stabilizer shaft at frame brackets.
14. Disconnect clutch linkage and/or transmission
linkage and remove cross shaft as outlined in
Section 7.
Fig. 4L-Suspension-to-Frame Attaching Bolts
LIGHT DUTY TRUCK SERVICE MANUAL