GM Service Manual Online
For 1990-2009 cars only
Makes
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Buick
🢒
2008
🢒
Lucerne
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Diagnostic Navigation
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Vehicle Diagnostic Information
🢒 HVAC Schematics
Figure
1:
Power, Ground, Blower Motor Controls
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Mode and Air Temperature Controls
Figure
2:
Mode and Air Temperature Controls
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Power, Ground, Blower Motor Controls
Compressor Controls
Figure
3:
Compressor Controls
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Mode and Air Temperature Controls
Air Temperature Controls
Figure
4:
Air Temperature Sensors
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Compressor Controls