1998 Nissan Altima Owner's Manual - Page 150

1998 Nissan Altima Manual

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If the cooling system frequently requires coolant, have it checked by an authorized NISSAN dealer. ● Improper servicing can result in reduced heater performance and engine overheating. WARNING ● To avoid the danger of being scalded, never change the coolant when the engine is hot. ● Never remove the radiator cap when the engine is hot. Serious burns could be caused by high pressure fluid escaping from the radiator. Perform the following procedure to open the heater water cock: 1. Turn the ignition switch ON and set the temperature control lever to the maximum hot position. Wait 10 seconds, then turn the switch OFF. DI1349 2. Open the radiator drain plug. Open the drain plug on the engine water pipe. 3. Open the radiator cap to drain the coolant. 4. Flush the cooling system by running fresh water through the radiator. 5. Close the radiator drain plug and the Do-it-yourself CHANGING ENGINE COOLANT ● Major cooling system repairs should be performed by your NISSAN dealer. The service procedures can be found in an appropriate NISSAN Service Manual. 8-5

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If the cooling system frequently requires
coolant, have it checked by an autho-
rized NISSAN dealer.
CHANGING ENGINE COOLANT
●
Major cooling system repairs should be
performed by your NISSAN dealer. The
service procedures can be found in an
appropriate NISSAN Service Manual.
●
Improper servicing can result in reduced
heater
performance
and
engine
over-
heating.
WARNING
●
To
avoid
the
danger
of
being
scalded, never change the coolant
when the engine is hot.
●
Never remove the radiator cap when
the
engine
is
hot.
Serious
burns
could be caused by high pressure
fluid escaping from the radiator.
Perform the following procedure to open the
heater water cock:
1. Turn the ignition switch ON and set the
temperature control lever to the maxi-
mum hot position. Wait 10 seconds, then
turn the switch OFF.
2. Open the radiator drain plug. Open the
drain plug on the engine water pipe.
3. Open the radiator cap to drain the cool-
ant.
4. Flush
the
cooling
system
by
running
fresh water through the radiator.
5. Close the radiator drain plug and the
DI1349
Do-it-yourself
8-5