Chevrolet 10 Series 1970 Service Manual page 623

4. R em ove screw s attaching two reta in ers to radiator
and support and rem ove retain ers.
5. L ift rad iator up out of low er mounts.
out of veh icle.
6. Inspect lo w er pads
n ecessary.
7. L o w er shroud and radiator into position and secure
SERVICE OPERATIONS—40 THRU 60 SERIES
NOTE: CA40-50-60,
trucks are equipped with a fan shroud as shown
in Figu re 5. Radiator replacem ent procedu res
fo r these v eh icles include replacem ent of the
shroud as illustrated.
C A 4 0 , C E -C S -M A -5 0 -6 0 S A 4 0 -5 0 MODELS
(Figs. 6 and 7)
Radiator Replacement
1. Drain rad iator and disconnect w ater hoses and trans­
m ission coolant line if so equipped.
2. If veh icle is equipped with a fan shroud, rem ove
shroud attaching s crew s (fig. 5) and carefu lly hang
shroud o v e r engine fan assem bly to provide c le a r ­
ance fo r radiator rem oval.
3. R em ove screw s securing radiator retain ers to radia­
tor support and rem ove retain ers and bum pers.
4. L ift rad iator up out of low er mounts.
out of veh icle if applicable.
5. Inspect low er pads
n ecessary.
6. L o w e r shroud and rad iator into position and secu re
shroud with bottom attaching screw s.
7. Install two reta in ers at top of rad iator and shroud
with four screw s.
F ig . 5 — R adia tor Fan Shroud C A -4 0 , C A - M A - 5 0 - 6 0
S A -4 0 -5 0 M o dels
L ift shroud
and retain ers and rep la ce if
MA50-60 and SA40-50
L ift shroud
and reta in ers and replace if
shroud with two low er screw s.
8. In stall two retain ers at top of radiator and shroud
with six screw s.
9. Install surge tank, connect water hoses, f i l l cooling
system and check fo r leaks.
10. R e fe r to torque sp ecification s in re a r of manual fo r
c o r re c t torque values.
F ig . 6 — R adia tor M o u n tin g C A -4 0 , C A - M A - 5 0 - 6 0
S A -4 0 -5 0 M o dels
8. Connect radiator hoses
line, f i l l cooling system , and check fo r leaks.
R e fe r to torque specification s in re a r of manual fo r
9 .
c o rre c t torque values.
C D -C G 50, C D 60 MODELS (Fig. 8)
Radiator Replacement
Radiator replacem ent fo r these trucks is the same as
outlined in steps 1 thru
9
d iffe re n c e is that the cooling system in corporates a
su rge tank which does not have to be rem oved to replace
Fig. 7—Radiator M ounting M E -6 0 M odels
RADIATOR AND GRILLE 13-3
and transm ission coolant
im m ediately above. The only
CHEVROLET TRUCK SERVICE MANUAL