buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Lamps and Indicators - Cooling System > < Cooling System, A/C - Aluminum Heater Cores/Radiators|Page 1306
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Fig. 14 Heater module assembly exploded view. 1982---87 Regal with A/C

W/Air Conditioning

1.

Disconnect battery ground cable and partially drain cooling system.

2.

Disconnect hoses from heater core, then the electrical connectors from module.

3.

Remove retaining bracket, ground strap, module rubber seal and screen.

4.

Remove righthand windshield wiper arm.

5.

Remove retaining screws from diagnostic connector, hi-blower relay and thermostatic switch.

6.

Remove module top cover, then heater core, Fig. 14.

7.

Reverse procedure to install.

Lamps and Indicators - Cooling System > < Cooling System, A/C - Aluminum Heater Cores/Radiators|Page 1306