Coolant Heater Replacement
Removal Procedure
1. Turn the ignition OFF.
2. Drain the cooling system. Refer to "Draining and
Filling Cooling System (LY7 GE 47716 Fill)"
"Draining and Filling Cooling System (LY7 Static
Fill)".
3. Raise and support the vehicle. Refer to "Lifting and
Jacking the Vehicle: ".
4. Disconnect the coolant heater cord from the coolant
heater.
5. Remove the coolant heater.
Installation Procedure
1. Install the coolant heater.
2. Connect the coolant heater cord to the coolant
heater.
3. Lower the vehicle.
Engine Cooling System:
4. Refill the cooling system. Refer to "Draining and
Filling Cooling System (LY7 GE 47716 Fill)"
"Draining and Filling Cooling System (LY7 Static
Fill)".
Coolant Heater Cord Replacement
Removal Procedure
1. Raise and support the vehicle. Refer to "Lifting and
Jacking the Vehicle: ".
2. Disconnect the coolant heater power supply cord
from the coolant heater (1).
3. Disconnect the coolant heater cord clip (2) from the
coolant heater cord.
4. Lower the vehicle.
5. Disconnect the coolant heater cord clips (3, 4) from
the engine wiring harness conduit.
6. Remove the coolant heater cord clip (1) from the air
cleaner assembly.
7. Remove the coolant heater cord clip (2) from the
fender panel.
8. Remove the coolant heater cord from the vehicle.
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