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GENERALINFORMATIONAND
MAINTENANCE 1-39
leak. In most cases, you will be able to trace the leak
to a loose fitting or damaged hose.
Evaporating ethylene glycol antifreeze will have a
sweet smell and leave small, white (salt-like) de-
oosits, which can be heloful in tracino a leak.
glove box and passenger side floorboard area, and
check the carpet for any signs of moisture. The
smartest way to go about finding a leak visually is to
first inspect any and all joints in the system such as
where the radiator hoses connect to the radiator and
the engine. Another thing to look for is white crusty
stains that are signs of a leak where the coolant has
6. Install the filler plug and tighten to'24 ft. Ibs.
(32
Nm).
7. If raised, carefully lower the vehicle.
amount of fluid. The level should ieach thk bottom of
me rating on It, lap3 1s a danciara 10 use out some
the oil filler hole.
A Qss
tin,t.as
ran +tw,, 4liE
cars are higher. Overpressurizing
the system can
lose, or worse, in the radiator or
your cooling system is con-
IIC~KI LUG MU PuaJbly cause an injury or a burn if
s of a leak are probable. There
the coolant is hot. Overpressurizing
is normally con-
WI" U".VlUl ,.",,I I" 9" about finding the source of
trolled by the radiator cap which has a vent valve in it
your leak.
which is opened when the system reaches it's maxi-
The first wav should be a visual insnection. Durina
mum pressure rating. To pressure test the system:
7 "1sl I ly"lsJa IJ" Wll" IJU
\ If a the fluid level of
stantly low, the chance
cause a rupture in a I:
h.n+n. nrrrn nnA . . . . ..I.
FLUID RECOMMENDATIONS
the visual inspection, look around the &tire engine -
area including the radiator and the heater hoses. The
*The pressure test should be performed with
the enaine OFF.
A good quality ethylene glycol based or other alu-
minum compatible antifreeze is recommended
for
use in the vehicles covered by this manual. It is best
to add a 50150 mix of antifreeze and distilled water to
avoid diluting the coolant in the system.
interior of the car should be inspected behind the
LEVELCHECK
recovery tank and its marking as a guideline.
*Never overfill the recovery tank.
A coolant level that consistently drops is usually a
sign of a small, hard to detect leak, although in the
worst case it could be a sign of an internal engine
"_y ",~--
1 Fia. 190 A visual insaection for leaks will 1
sometimes find a leak. This photo shows
Fig. 191 Remove the recovery tank cap to
/ *
,,
/
evfdence of a leak at the upper radfator
*
/
/the system
allow the pressure tester
to be connected to
hose-to-thermostat housing junction
Fig. 189 The coolant level should be be-
1 coo,ant recovery tank
tween the FULL and LOW levels on the
"'~'_I
j
Fig. 192 This cooling system requires a
Fig. 193 Thread the adapter onto the re-
e'ffi1pg7
/
g'051p96
/
1 covety tank
threaded adapter for the recovery tank to al-
low the pressure tester to
be connected
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