Mechanics

CHEVY HEATER CORE REMOVAL

1998 Chevrolet Cavalier

Engine Cooling problem
1998 Chevy Cavalier 4 cyl Front Wheel Drive Automatic 110000 miles

do you have some step by step to remove heater core. Chiltons is not much help. Ther is a plastic piece going from the floor to the bottom of heat box unsure how to get it out
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Gilly3
November 13, 2008.



REMOVAL:
Disable the SIR system.
Disconnect the negative battery cable.
Properly drain the cooling system.
Raise and safely support the vehicle.
Detach the heater hoses from the heater core.
Carefully lower the vehicle.
Remove the instrument panel as instructed below:

REMOVAL OF INSTRUMENT PANEL:
Remove the instrument panel cluster trim plate.
Unfasten the screws from the top of the cluster, then pull the cluster rearward to remove.

INSTRUMENT CLUSTER MOUNTING


http://www.2carpros.com/forum/automotive_pictures/261618_0900c1528003cf21_2.jpg



HEATER CORE AND RELATED COMPONENTS


http://www.2carpros.com/forum/automotive_pictures/261618_0900c1528003cf21_1.jpg



INSTALLATION:
Position the heater core, then secure with the mounting clamps.
Attach the heater core cover.
Install the DERM with the attaching bracket.
Install the instrument panel.
Raise and safely support the vehicle.
Connect the heater hoses to the core.
Carefully lower the vehicle.
Properly refill the engine cooling system and check for leaks.
Enable the SIR system.
Connect the negative battery cable, then start the engine and check for proper system operation and/or leaks.

Bluelightnin6
Nov 13, 2008.