Downloaded from www.Manualslib.com manuals search engine a bobby pin) between the rubber
cup
at the end of the spark plug
wire
and the tubular metal con
nector inside
of it. If the spark plug wire is wet or oily, wipe it
dry.
Wrap a dry handkerchief or
facial tissue, folded several thick
nesses,
around the wire at least
three inches back from the end and grasp the wire at this point.
Hold the bare wire about V4 inch
from the
bore tip of the spark plug from which you removed the Checking Spark
wire. When the engine is "turned over" a spark should jump across
the 1,4 inch space, indicating ample current supply. If no spark
jumps, the difficulty is probably caused by a defective ignition part
and should be corrected by your Authorized Chevrolet Dealer.
COOLING SYSTEM
When the car will run but evidences serious overheating on the
temperature gauge in the instrument panel, there are several items
which may
be checked.
IL) Engine overheating will occur when the OIL LEVEL falls danger
ously low. Check the oil level as a mailer of course.
1M) Low COOLANT LEVEL will, of course, cause engine over
heating . Determine the
cause of the low coolant level and have it corrected if necessary.
70
IN) Check the RADIATOR CORE. Clean it if it is plugged with
bugs, leaves or other foreign material.
(0) Condition of the FAN BELT
is very important, not only for en
gine cooling but
also for proper
generator operation. Check the
condition of the belt. Replace it
if it is worn or frayed. Loosen
the generator toward the engine
to remove
and replace the belt.
Tighten the belt, whether new or
old, by loosening the generator
bolts, prying with a bar on the
generator until the belt is ten
sioned properly , then retighten
the
generator bolts.
(P) Another couse of engine
overheating may be
an inopera
tive
COOLING SYSTEM THER
MOSTAT. If the thermostat should
foil in the dosed position, it will
not permit
coolant to circulate
through the system. In such an
emergency the thermostat may be
removed but should be
replaced with a properly functioning ther
mostat as soon as possible.
Fan Belt Tension
Thermostat
'ns'alla"on
