GMC 1976 ZEO 6083 Maintenance Manual page 320

Figure 64-Transmission Jack Installation
12 . Disconnect L.H . drive axle from flange at
final drive and reposition axle forward and clear of
the flange.
13 . Remove bolt "Z". (See figure 63).
14 . Remove three (3) bolts that secure the con-
verter to the flywheel .
NOTE : Rotate flywheel to gain access (Refer to
figure 62).
15 . Remove three (3) transmission to support
bracket bolts (Figure 9) .
16 . Remove support bracket to crossmember
bolts.
17 . Position transmission jack under transmis-
sion as shown in Figure 64 .
18 . Remove six (6) bolts that attach the flywheel
housing to the engine .
19 . Slide transmission rearward .
NOTE : Reposition transmission support bracket
upward as required to obtain clearance between
transmission and floor.
20 . Remove transmission and final drive.
21 . Lower vehicle.
22 . Remove engine oil dipstick .
23 . Disconnect vacuum lines to the brake booster
and heater controls from the intake manifold . Dis-
connect the vacuum line to the carbon canister from
the front of the carburetor.
ENGINE 6A- 55
24 . Disconnect throttle linkage (See figure 13).
25 . Disconnect coil bracket, if so equipped, from
engine and position on top of intake manifold . Dis-
connect wire from the negative coil terminal .
26. Disconnect heater hoses.
27 . Disconnect wire from brake combination
valve .
28 . Disconnect engine harness.
29 . Remove engine oil filler upper tube .
30 . Remove engine oil dipstick tube .
31 . Disconnect upper radiator hose from engine .
32 . Disconnect air conditioning compressor (if
equipped) from bracket and with wire support it up
and out of the way.
NOTE : Freon lines do not have to be discon-
nected .
33 . Remove generator .
34 . Remove both upper venturi ring brackets .
35 . Raise vehicle.
36 . Disconnect both R.H . and L.H . exhaust pipes
at exhaust manifolds.
37 . Disconnect engine oil cooler tubes from tube
to hose union.
38 . Disconnect fuel line from fuel pump .
39 . Disconnect lower radiator hose .
40 . Remove lower L.H . venturi ring bracket.
41 . Remove venturi ring retainer strap. Remove
venturi ring and radiator shroud .
42 . Disconnect lower radiator hose .
43 . Disconnect power steering hoses from the
power steering pump .
44 . Remove engine front mounting bolts.
45 . Remove hub cap from L.H . hub. Remove
cotter pin and axle nut. Tap lightly on outboard end
of L.H . axle until splines are free . Remove L.H . drive
assembly .
46 . Raise engine assembly using engine removing
tool J-24603-01 .