Fig. 107—Blowing Out Radiator Core
The following opening thermostats
should be used for the cooling solutions indicated.
Regular ................... 140°
Alcohol or similar
Anti-Freeze—Not over ....... 148°
After checking, reassemble the
thermostat and water outlet connection, using a new gasket. Examine
all hoses both inside and outside. If the inside is soft and rotten,
replace the hose, otherwise loose particles of rubber may be carried into
the radiator and block the water passages. Adjust the fan belt to the
Close the cooling system drain
cocks and fill the cooling system with water. Tighten the hose connections
and check all points for leaks.
Check the water pump for leaks. A
leaking water pump, when the engine is not running, will draw air into the
system when the engine is running. This excess oxygen in the cooling
system may accelerate the formation of rust as much as 900 per
Examine the radiator for leaks and
tighten the radiator mounting bolts.
After completing the
reconditioning, warm up the engine by allowing it to run for 20 minutes at
a fast idle (approximately 600
R.P.M.) then tighten all cylinder head bolts. It is advisable to
use a tension wrench so the tension on each bolt will be equal. A tension
of 75 to 80 foot pounds is recommended.
After tightening the cylinder
head bolts the valve clearance should be adjusted in the following