Chevrolet 10 Series 1968, Service Manual

Page: 502 / 713

F ig . 4 P G —Converter Holding Tool
4. Disconnect proper shaft from transmission.
5. Install suitable transmission lift equipment to jack or
other lifting device and attach on transmission.
6 . Disconnect engine rear mount on transmission exten­
sion, then remove the transmission support cross­
member.
Remove engine rear mount to bracket
attaching nut, washer, and thru bolt in GA-10, 20
models.
7. Remove converter underpan, s c r i b e flywheel-
converter relationship for assembly, then remove the
flywheel-to-converter attaching bolts.
NOTE: The “ light” side of the converter is de­
noted by a “ blue” stripe painted across the ends
of the converter cover and housing. This mark­
ing should be aligned as closely as possible with
the “ white” stripe painted on the engine side of
the flywheel outer rim (heavy side of engine) to
maintain balance during assembly.
8 . Support engine at the oil pan rail with a jack or
other suitable brace capable of supporting the engine
weight when the transmission is removed.
9. Lower the rear of the transmission slightly so that
the upper transmission housing-to-engine attaching
bolts can be reached using a universal socket and a
long extension. Remove upper bolts.
CA U TIO N : It is best to have an assistant
observe clearance of upper engine compo­
CLUTCHES A N D TR A N S M IS S IO N S 7-39
nents while the transmission rear end is
being lowered.
10. Remove remainder of transmission housing-to-
engine attaching bolts.
11. Remove the transmission by moving it slightly to the
rear and downward, then remove from beneath the
vehicle and transfer to a work bench.
NOTE: Observe converter when moving the
transmission rearward. If it does not move
with transmission, pry it free of flywheel before
proceeding.
C A U TIO N : Keep front of transmission upward
to prevent the converter from falling out. Install
converter holding Tool J-9549 immediately (or a
similar tool constructed as shown in Figure
4PG, or, in an emergency, a length of strong
wire may be used) after removal from the
engine.
Installation
NOTE: The “ light" side of the converter is
denoted by a “ blue” stripe painted across the
ends of the converter cover and housing. This
marking should be aligned as closely as possible
with the “ white’ ' stripe painted on the engine
side of the flywheel outer rim, denoting the
“ heavy” side of the engine.
1. Mount transmission on transmission lifting equip­
ment installed on jack or other lifting device.
2. Remove converter holding tool.
CA U TIO N : Do not permit converter to move
forward after removal of holding tool.
3. Raise transmission into place at rear of engine and
install transmission case to engine upper mounting
bolts, then install remainder of the mounting bolts.
Torque bolts to 25-30 ft. lbs.
4. Remove support from beneath engine, then raise
rear of transmission to final position.
5. Through flywheel cover opening align as closely as
possible the “ white” flywheel balance mark stripe
and the “ blue” painted stripe on end of converter
cover and housing. If scribed during removal, align
scribe marks on flywheel and converter cover. In­
stall converter to flywheel attaching bolts. Torque
bolts to 30-35 ft. lbs. (75 ft. lbs. on 292 cu. in.
engines)
6 . Install flywheel cover.
7. Reinstall transmission support crossmember to
transmission and frame.
8
. Remove transmission lift equipment.
9. Connect propeller shaft to transmission.
10. Connect manual and T. V. control lever rods to
transmission.
11. Connect vacuum modulator line, and speedometer
drive cable to transmission.
12. Refill transmission through fille r tube, using Funnel
J-4264 and following the recommended procedure
provided earlier in this section.
13. Check transmission for proper operation and for
leakage. Check and, if necessary, adjust linkage.
14. Remove truck from hoist.
CONVERTER H O LD IN G STRAP DIM ENSIONS
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1 8
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6
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2
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CHEVROLET TRUCK SERVICE MANUAL