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 1f4 inch
from the
bare 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 V" inch space, indicating ample current supply. If no spark
jumps, the difficulty is probably caused by a defective ignition port
and should be corrected by your Authorized Chevrolet Dealer.
COOLING SYSTEM
When the cor will run but evidences serious overheating on the temperature gauge in the instrument panel, there are several items
which may be checked .
(L) Engine overheating will occur when the OIL lEVEL falls dangerously low. Check the oil level as a matter of course.
(M) Low COOLANT LEVEL will , of course, couse engine overheating. Determine . the cause of the low coolant level and have
it corrected if necessary.
(N) Check the RADIATOR CORE. Clean it if it is plugged with
bugs, leaves or other foreign material.
65
(0) Condition of the FAN BELT is very important, not only for engine 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 tensioned properly, then retighten
the generator bolts.
(PI Another couse of engine ove rheating may be on inopera
tive COOLING SYSTEM THERMOSTAT. If the thermostat should foil in the closed position, it will not
perm it coolant to circulate through
the system . In such on emergency the thermostat may be removed
but should be replaced with a properly functioning thermostat as soon as possible.
Fan 8.11 Tension
Thermoslal Inslollo/ion
