Chevrolet 10 Series 1970 Service Manual page 464

CLUTCHES AND TRANSMISSIONS 7-34
Fig. 4 P G —1 C o n v e rte r H old in g Tool
TRANSMISSION
r e p l a c e m e n t
Removal
1. R aise truck on hoist and rem ove oil pan drain plug to
drain oil.
NOTE: If d esired, the o il may be drained a fter
tran sm ission rem oval.
2. Disconnect the vacuum modulator line and the speed­
om eter d riv e cable fittin g at the transm ission . T ie
lines out of the way.
3. Disconnect manual and T .V . control le v e r rods from
transm ission.
4. Disconnect prop shaft fro m transm ission.
5. Install suitable tran sm ission lift equipment to jack or
other liftin g d evice
6. Disconnect engine r e a r mount on transm ission exten­
sion, then rem ove the transm ission support c r o s s ­
m em ber.
7. R em ove con verter underpan,
co n ve rte r relationship fo r assem bly, then rem ove the
fly w h e e l-to -c o n v e rte r
8. Support engine at the o il pan r a il with a jack or
other suitable brace capable of supporting the engine
weight when the tran sm ission is rem oved.
9. L o w e r the r e a r of the tran sm issiin sligh tly so that
the upper tran sm ission housing-to-engine attaching
Although certain operations, such as o il pan, gasket or
manual le v e r s and o il s e a l replacem ent, v a lv e body,
" O"
govern or, f i l l e r pipe
case extension " O" rin g and re a r o il seal, vacuum
modulator, and s e r v o co v e r or gasket s e r v ic e may be
COMPONENT PART REPLACEMENT
and attach on transm ission.
s c r i b e flyw h eel-
attaching bolts.
OTHER SERVICE OPERATIONS
ring, speedom eter d riv e gear,
bolts can be reached using a u n iversa l socket and a
long extension. Rem ove upper bolts.
CAUTIO N: 1^ is best to have an assistant ob­
se rv e clearan ce of
while the tran sm ission
low ered.
10. R em ove rem ain der
engine attaching bolts.
11, R em ove the tran sm ission by m oving it sligh tly to the
re a r and downward, then rem ove fro m beneath the
veh icle and tra n sfe r to a work bench.
NOTE: O bserve co n verter
tra n sm issiin rearw ard.
with transm ission, p ry it fr e e o f flyw h eel b efore
proceeding.
C A UTIO N: Keep fron t of tran sm ission upward
to prevent the co n verter fro m fa llin g out. Install
co n verter holding T o o l J-9549 im m ediately o r a
s im ila r tool constructed as shown in F igu re
4PG, or, in an em ergen cy, a length of strong
w ire may be used)
engine.
Installation
1. Mount transm ission on transm ission liftin g equip­
ment in stalled on jack o r other liftin g device.
2. Rem ove co n verter holding tool.
CAUTIO N: Do_ not p erm it co n verter to m ove
fo rw a rd a fter rem o va l of holding tool.
3. R aise tran sm ission into place at r e a r of engine and
in stall tran sm ission case to engine upper mounting
bolts, then in stall rem ainder of the mounting bolts.
Torqu e bolts to 25-30 ft. lbs.
4. R em ove support fro m
re a r of tran sm ission to final position.
5. If scrib ed during rem oval,
flyw h eel and co n verter c o ver.
fly w h eel attaching bolts. Torque bolts to 30-35 ft. lbs.
6. In stall flyw h eel cover.
7. R ein sta ll transm ission
tran sm ission and fra m e.
8. Rem ove transm ission lift equipment.
9. Connect p ro p e lle r shaft to transm ission.
10. Connect manual and
transm ission.
11. Connect vacuum modulator line, and speedom eter
d riv e cable to transm ission.
12. R e fill tran sm ission through f i l l e r tube, and fo llo w ­
ing the recom m ended procedu re p rovided e a r lie r in
this section.
13. Check tran sm ission fo r p ro p er operation and fo r
leakage. Check and, if n ecessa ry,
14. L o w e r truck and rem ove fro m hoist.
p erfo rm ed fr o m underneath the veh icle without rem ovin g
the P o w erglid e ; th eir s e r v ic e procedu re is c o vered in the
Overhaul Manual and is not repeated h ere. R e fe r to the
P o w e rg lid e Section of the O verhaul Manual fo r a ll other
s e r v ic e operations not co v ere d here.
upper engine components
re a r end is being
of transm ission housing-to-
when m oving the
If it does not m ove
a fter rem o v a l fro m the
beneath engine, then ra ise
align s c rib e m arks on
Install co n verter to
support crossm em b er
T .V . con trol le v e r rods to
adjust linkage.
CHEVROLET TRUCK SERVICE MANUAL
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