GMC 1976 ZEO 6083 Maintenance Manual page 321

6A- 5 6 ENGINE
47 . Gradually remove engine assembly by alter-
nately raising, tilting and lowering the engine assem-
bly. Use care when supporting engine on dolly to
prevent damage to oil pan.
INSTALLATION
1 . Using tool J-24603-01 as shown in Figures 5,
6, and 7, raise engine assembly adjusting and tilting
until engine front mount lines up so bolts may be
installed. Install nuts finger tight .
2. Install L.H . drive axle into knuckle and torque
axle nut to 110 ft . lbs. Advance nut to next castella-
tion if necessary and install cotter pin.
NOTE : Do not allow drive axle to hang unsup-
ported . Use a piece of wire to support drive axle .
3 . Raise transmission and final drive using the
transmission jack . Position transmission support
bracket while raising the transmission .
4. Position transmission and install six (6) bolts
that attach flywheel housing to engine torque bolts
to 25 ft . lbs.
5 . Position transmission support bracket and ref-
erring to Figure 7 torque bolts "A", "B" and "C" to
55 ft . lbs. Torque bolts "D" and "E" to 55 ft . lbs.
6 . Install three (3) converter to flywheel bolts.
Torque to 30 ft . lbs.
NOTE :
Rotate flywheel to gain access . Refer to
Figure 62 .
7. Referring to Figure 63, install bolt "Z" and
torque to 105 ft. lbs .
8. Properly position L.H . drive axle and torque
NEW attaching bolts to 65 ft . lbs.
9. Install R.H . output shaft into final drive and
attach support bolts to engine .
IMPORTANT :
When attaching the right hand
output shaft to the engine bracket, do not let the
shaft hang . Assemble bracket bolts loosely, and
by moving the flange end of the shaft up and
down, and back and forth, find the center loca-
tion . Hold the shaft in this position and then
torque the bolts to 55 ft . lbs. on support.
10 . Install lower R.H . venturi ring bracket.
Torque nut on engine stud to 45 ft . lbs. Torque nut
at venturi ring attachment to 20 ft . lbs.
11 . Position R.H . drive axle and torque NEW
attaching bolts to 65 ft . lbs.
12 . Connect transmission cooler lines and tighten
fittings to 20 foot-pounds and then connect detent
solenoid wire and modulator tube .
13 . Connect transmission shift linkage and speed-
ometer cable.
14 . Referring to Figure 62, install flywheel cover
and tighten bolts "A", "B", "C" and "D" to 5 ft . lbs.
torque .
15 . Install starter and torque bolts to 30 ft . lbs.
Connect wires to starter.
16 . Tighten engine front mounting nuts to 50 ft .
lbs. torque .
17 . Connect power steering lines to the power
steering pump .
lbs.
18 . Install fan shroud and torque bolts to 15 ft.
19 . Install engine fan and clutch assembly .
Torque nuts to 15 ft . lbs.
20 . Install L.H .lower venturi ring bracket.
Torque nuts to 20 ft . lbs.
21 . Install venturi ring . Make sure seal overlaps
the venturi ring .
22 . Secure venturi ring to brackets by installing
nuts and bolts finger right. Install shroud seal re-
tainer strap.
23 . Connect lower radiator hose. Torque clamp
to 17 in . lbs.
24 . Connect fuel line to fuel pump .
25 . Connect engine oil cooler lines.
26 . Connect R.H . and L.H . exhaust pipes .
Tighten pipe to exhaust manifold bolts until they
bottom on spacer.
27 . Lower vehicle and remove engine removal
tool J-24603-01 .
28 . Install both upper venturi ring brackets .
Torque nuts to 25 ft. lbs.
29 . Install generator. See Figure 11 for torque
values . Refer to "Belt Tension" earlier in this sec-
tion .
30 . Install air conditioning compressor . See Fig-
ure 10 for torque values . Refer to "Belt Tension"
earlier in this section.