buick Workshop Repair Guides

Buick Workshop Manuals

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Control Module HVAC: Service and Repair

ELECTRA  

1.

Disconnect battery ground cable.

2.

Remove righthand sound insulator center instrument panel trim plate and lower instrument panel trim plate.

3.

Disconnect wiring and hoses at programmer.

4.

Remove programmer linkage cover and disconnect linkage.

5.

Remove speaker grille and speaker to facilitate removal of rear bolt attaching programmer to A/C module.

6.

Remove programmer, disconnecting any wiring still attached to programmer.

7.

Reverse procedure to install. 

Relays and Modules > Relays and Modules - HVAC > Control Module HVAC > Component Information > Description and Operation > Page 302

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