Cadillac 60 Series 1963 Shop Manual page 278

ENGINE COOLING
11-7
11. Install fan shroud on radiator and secure
with four attaching screws.
12. Install refrigerant compressor as described
in Section 13, Note 29b.
13. Install generator belt and adjust as de-
cribed in Section 12, Note 39.
14. Install power steering pump belt and adjust
as described in Section 5, Note 3.
15. Install compressor belt and adjust as de-
scribed in Section 13, Note 30.
16. Install carburetor air cleaner.
17. Connect positive battery cable.
18. Fill cooling system, adding anti-freeze if
necessary. Also add inhibitor and sealer.
19. Operate engine to normal operating temper-
ature to make sure system is full, and check for
leaks at all connections.
12. Fan Blade and Clutch Assembly
Removal and Installation
(Air Conditioned Cars)
a. Removal
1. Loosen refrigerant compressor belt adjust-
ing bolts and remove belt from compressor pulley.
2. Remove two top cap screws that hold fan
shroud to radiator and position fan shroud away
from radiator.
3. Remove four cap screws that hold fan blade
and clutch assembly to pulley and remove fan
blade and clutch assembly.
4. Remove four cap screws that hold clutch
assembly to fan blade and remove clutch from
fan blade.
b. Installation
1. Install clutch assembly on fan blade and
secure with four attaching screws. Tighten screws
to 16 foot-pounds.
2. Position fan and clutch assembly on pulley
and secure with four attaching screws. Tighten
screws to 26 foot-pounds.
3. Position fan shroud against radiator and
secure with two top attaching screws.
4. Install and adjust compressor belt as de-
scribed in Section 13, Note 30.
DIAGNOSIS CHART
CONDITION
Engine Overheats
Engine Fails to Reach Normal
Operating Temperature
CAUSE
Loss of coolant.
Belt tension incorrect.
Radiator fins obstructed.
Thermostat defective.
Cooling s y s t e m p a s s a g e s
blocked by rust or scale.
Water pump inoperative.
Spark timing too far retarded.
Thermostat inoperative or of
incorrect heat range.
Temperature sending unit de-
fective (causing gage to indi-
cate low engine temperature).
Temperature gage defective
(not indicating true engine tem-
perature).
REMEDY
(Refer to Loss of Coolant.)
Adjust belts.
Clean away bugs, leaves, etc.
Install new thermostat.
Flush cooling system - add
anti-freeze, i n h i b i t o r and
sealer, and water.
Replace water pump.
Correct spark timing.
Install correct thermostat.
Replace sending unit.
Replace gage.