Chevrolet Light Duty Truck 1973 Service Manual page 382

6 - 4 6 E N G IN E
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; remove radiator shroud and radiator.
5. Remove carburetor air cleaner and remove engine
oil filler tube.
Remove Delcotron and support bracket - position
6
.
assembly out of way on left frame rail.
7. Disconnect oil pressure gauge if so equipped.
8. Disconnect engine wiring harness at dash panel
junction block.
9. Disconnect accelerator linkage at dash panel
mounted bell crank.
Disconnect TCS system electrical leads - remove
harness from clips and position it to one side.
Disconnect Evaporation Control System lines at
11
.
rocker arm cover and at carburetor - position lines
to one side.
12. Disconnect power brake vacuum hose at rocker arm
tube-to-hose junction.
13. Raise vehicle on a hoist and disconnect:
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.
Stabilizer shaft at frame brackets.
Battery positive cable at starter.
Shock absorbers at lower control arm.
Speedometer cable at transmission.
TCS switch at transmission-remove bell housing
mounted clip and position wiring to one side.
Transmission at crossmember.
Exhaust crossover at manifolds and at muffler.
14. Remove propeller shaft as outlined in Section 4 -
install plug in transmission extension.
15. Disconnect clutch linkage and/or transmission
linkage and remove cross shaft as outlined in
Section 7.
16. Disconnect front brake pipe at equalizer tee,
disconnect rear brake pipe at left frame rail
mounted connector and at right frame rail mounted
connector (Fig. IV).
17. Remove transmission support frame-to-crossmem-
ber attaching nuts - do not remove bolts at this
time.
18. Remove the six (3 on each side) vertically driven
front crossmember-to-frame attaching bolts (Fig.
2V).
19. Remove the four (2 on each side) frame-to-upper
control arm (inside) attaching bolts (Fig. 3V).
20. Lower the vehicle on hoist so that weight of vehicle
is on hoist but with wheels touching floor and
suspension at curb height.
21. Install wood block between oil pan and crossmem­
ber to stabilize engine assembly (Fig. 4V).
22. Position floor jack under vehicle so that jack pad is
aligned under transmission and, using a block of
wood to protect transmission, support transmission
with jack (Fig. 5V).
23. Remove transmission support crossmember.
Fig. 2V— Crossmember-to-Frame Attaching Bolts
LIGHT DUTY TRUCK SERVICE MANUAL