GMC 1976 ZEO 6083 Maintenance Manual page 319

6A- 5 4
ENGINE
replacement, oil pan gasket replacement, oil pump
repair etc.) requires removal of the engine oil pan. If
this is the case, refer to "Oil Pan" earlier in this
section.
Refer to steps 1 through 20 for removal of trans-
mission and final drive with engine remaining in
vehicle.
Refer to steps 21 through 46 for removal of en-
gine after the transmission and final drive have been
removed.
WARNING :
A VEHICLE OF THIS SIZE AND
WEIGHT COMBINED WITH THE WEIGHT AND
BULKINESS OF THE ENGINE AND/OR TRANS-
MISSION AND FINAL DRIVE DURING RE-
MOVAL PRESENTS A POTENTIALLY
DANGEROUS SITUATION TO PERSONNEL . EN-
GINE, TRANSMISSION AND FINAL DRIVE RE-
MOVAL EITHER AS A UNIT OR SEPARATE
COMPONENTS SHOULD
BE PERFORMED
WHILE USING A "TWIN POST" HOIST.
REMOVAL
1 . Disconnect negative (-) battery cables from
both the automotive and living area batteries.
NOTE : Drain radiator before raising vehicle.
2. Remove engine cover, remove air cleaner, dis-
connect coil bracket (only on vehicles equipped with
breaker point ignition systems), and position engine
removal Tool No . J-24603-01 to the engine . Adjust
lift mechanism until all slack is removed from the
cable. (See figure 5) .
Figure 62-Flywheel Cover Removal
NOTE :
To properly position engine removal
tool, remove seat belt plate and anchor bolt as-
sembly . Attach load adjustor chain to front and
rear engine lift locations as shown in Figures 6
and 7. Then install support braces and chain fall
as shown in Figures 5, 6 and 7.
3 . Raise vehicle. See WARNING at the begin-
ning of "Engine Replacement" .
4. Disconnect wires from starter solenoid .
5. Remove starter motor.
6. Referring to Figure 62, remove flywheel cover
bolts "B", "C" and "D". Loosen bolt "A" and pivot
cover out of the upper L.H . bolt "A" slot .
7. Disconnect transmission shift linkage and
speedometer cable from transmission and position to
one side .
8. Disconnect transmission fluid cooler lines, de-
tent solenoid wire and modulator tube from the
transmission . Position all to the side .
9 . Disconnect R.H . drive axle from the final drive
output shaft. (Refer to Section 3B). Move drive axle
rearward .
10 . Remove lower R.H . venturi ring bracket.
11 . Remove output shaft bracket from engine and
remove R.H . output shaft assembly from final drive.
Figure 63-Disconnecting Final Drive From Engine