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(143)
In addition to the water pump
"legs" aligning with the openings in
the face ends of the cylinder block
for directing engine coolant into the
cylinder heads, each "leg" also covers
an opening into the cylinder block
which includes small thermostats (B)
and (C) as shown in Fig. 9. When
the engine coolant in circulation dur-
ing "Stage 1" reaches 137°-142°F.
temperature, the thermostats (B)
and (C) start to open and direct the
flow of engine coolant through each
side of the cylinder block to provide
the required cooling throughout the
cylinder block. The thermostats are
fully open at 162°F. temperature.
The engine coolant then rises up-
PART 8-2-430 V-8 ENGINE
ward
from
the
cylinder
block,
through mating passageways and
into the cylinder heads where it is
routed through "Stage 1 ".
STAGE 3
The flow of the engine coolant
described in "Stage 1" and "Stage 2"
remains in effect during the addi-
tional flow of engine coolant pro-
vided in "Stage 3 ".
When the engine coolant in circu-
lation reaches 155°-l62°F. (low tem-
perature thermostat) or 185°-l92°F.
(high temperature thermostat) tem-
perature, thermostat (A) located at
the front end of the intake manifold
EJ
IN-CAR ADJUSTMENTS AND REPAIRS
ENGINE SUPPORTS
The front supports are located on
each side of the crankcase and the
rear support is located at the trans-
mission extension housing (Fig. 10) .
An engine rear support reinforce-
ment is located forward of the rear
WASHER~
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ENGINE FRONT SUPPORT-
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INSULA~t. ~?BOLTS
support, and an engine lateral re-
strictor is located on the right side
of the transmission converter hous-
ing (Fig. 10).
ENGINE FRONT SUPPORT
The procedures given apply to
either a right or· left installation.
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ENGINE REAR SUPPORT
FIG.
10-Engine Front and Rear Supports
8-23 . '
starts to open and directs the flow of
engine coolant out of the intake
manifold water outlet port and into
the coolant supply tank. The engine
coolant is then directed into the radi- ·
ator by a hose. The coolant then flows
out of the outlet connection at the
bottom of the radiator,
thro~gh
a
hose, and into . the inlet of the water
pump. At a temperature of 182°F.
or above (low temperature thermo-
stat) and 212°F. or above (high
temperature thermostat), the ther-
mostat is fully open and the en-
gine coolant is completely recircu-
lated by the water pump through
all three stages of circulation to
provide complete engine cooling.
Removal
1. Block the rear wheels and set
the parking brake. Raise the front
of the car with a floor jack and in-
stall safety stands.
2. Disconnect the starter cable and
remove the starter.
ENGINE LATERAL RESTRICTOR
ENGINE
REAR SUPPORT
REINFORCEMENT
NUT
A1829-A
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