Chevrolet 70 Series 1970, Service Manual

Page: 464 / 841

ENGINE MOUNTINGS 6D-5
F ra m e
Crossmember
F ro n t Mounting
Shim s (As R equired)
Engine C over
F ro n t Support
C ran k sh aft Hub
C ran k sh aft D am per
10
Mounting B olt and
W ash ers
Support B ra c k e t to
C ro ssm e m b e r B olt
and W ash ers
Nut, P la in W asher,
and Lock W asher
Figure 7—Engine Front Mounting on Dl, FI90
(Vehicles without Air Conditioning)
two support b olts which attach the upper support
to low er support.
2. R a ise front of engine to rem ove weight
from support and provide clea ra n ce for rem oving
c o lla r s and upper support.
3. If n e c e ssa r y , rem ove nuts and w ash ers
which attach low er support to c r o ss m em ber. R e­
m ove b o lts, w a sh ers, then rem ove support.
4. R e v e r se the rem oval procedure to in sta ll
new c o lla r s an d /or supports.
NOTE: When in stallin g supports make su re
Figure 8—Engine Front Mounting Components on
Alum. Tilt Series with Cummins Diesel Engine
identification le tte r i s facing forw ard on both sup­
p o rts (fig.
8
).
R efer to "Engine Mounting B olt Torque Chart"
for c o r r e ct bolt and nut torques.
ENGINE REAR MOUNTING REPLACEMENT
TV 70 MODELS
R efer to figure 9 fo r engine rea r mounting.
1. R em ove upper b olts from both rear mount­
in g s, then r a ise rea r of power plant sufficiently to
p erm it rem oval of mountings.
NOTE: If n e c e ssa r y , rem ove any w iring, piping,
o r a c c e s s o r ie s which would be damaged by raisin g
engine.
2. Rem ove low er mounting b olts, and rem ove
mountings and sp a c e r s (TV70 only).
3. If engine b racket req u ires replacem ent,
rem ove b o lts and w ash ers attaching b rackets to
engine flyw heel housing, then rem ove b rack ets.
4. R e v e rse the rem oval p roced u res to in sta ll
b rack ets an d /o r mounting and tighten b olts to
torque v alves shown on "Engine Mounting B olt
Torque Chart."
Figure 9—Engine Rear Mounting on TV7Q Models
CHEVROLET SERIES 70-90 HEAVY DUTY TRUCK SHOP MANUAL