Buick Regal Owners & Service Manuals

Buick Regal: Description and Operation

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 Cooling Fan Description and Operation

System Overview The engine cooling fan system consists of 2 electric cooling fans and 3 fan relays. The cooling fan relays are arranged in a series/parallel (S/P) configuration. This allows the engin

 Cooling System Description and Operation

Engine Coolant Indicators The instrument panel cluster (IPC) shows the engine temperature on the temperature gauge. The value is sent on the data communication line from engine control module (EC

 Firing Order and Cylinder Identification

NOTE: This information is intended as a quick reference for firing order and cylinder identification only. The information provided covers many vehicles and may include some information that does not

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 What Will You See after an Airbag Inflates?

After frontal, knee, and seat-mounted side impact airbags inflate, they quickly deflate, so quickly that some people may not even realize the airbags inflated. Roof-rail airbags may still be at least partially inflated for some time after they inflate. Some components of the airbag module may be ho

 Engine Heater

The engine coolant heater, if available, can help in cold weather conditions at or below -18 ВєC (0 ВєF) for easier starting and better fuel economy during engine warm-up. Plug in the coolant heater at least four hours before starting the vehicle. An internal thermostat in the plug-end of the c

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