Pontiac Fiero 1988 Service Manual page 364

ENGINE COOLING
§1-11
SPECIAL TOOLS
Special tools are available through normal chan-
nels for servicing the aluminum-plastic radiator. The
universal Cooling System and Cap Pressure Tester,
BT-7518 or J 24460-01, can also be used with the
aluminum-plastic radiator.
ON-VEHICLE SERVICE
THERMOSTAT (2.5L AND 2.8L)
0
Remove or Disconnect
1. Thermostat housing cap.
2. Grasp the handle of thermostat and gently pull
upward.
• Thermostat housing and thermostat
O-ring.
• Apply suitable lubricant to O-ring, after
cleaning, for easier installation.
Install or Connect
1 Thermostat in housing, pushing down to insure
the thermostat is properly seated.
2. Thermostat housing cap.
H20038-6B
Figure 27 Thermostat Housing and Outlet — 2.5L
H20039-6B
Figure 28 Thermostat Housing and Outlet — 2.8L
ELECTRIC COOLING FAN
C A U T I O N : K e e p h a n d s , tools, and cloth-
ing a w a y f r o m engine cooling f a n t o
help prevent personal injury. This fan is
electric and can come on whether or
not the engine is running. The fan can
start automatically in response to a
heat sensor with the ignition in the
" O n " position.
Remove or Disconnect
1. Negative battery cable.
2. Harness from fan motor and fan frame.
3. Fan frame to radiator support attaching bolts.
4. Fan and frame assembly.
F+j Install or Connect
1. Fan and frame assembly.
2. Fan frame to radiator support attaching bolts and
torque to 6 N
#
m (54 lb. in.).
3. Harness to fan frame and fan motor.
4. Negative battery cable.
[ y j Inspect
• For proper completion of repairs.
• For operation of fan motor.