Disconnect the Regal battery. Remove the alternator belt. Disconnect the alternators wiring, then unbolt and remove the alternator. Reverse the procedures for installation.

Disconnect the battery, then remove the alternator belt on the Regal. Unhook the alternator wiring and bolts, then remove it. Installation of the new unit is reverse of the procedures.

The EPA mileage estimate for the 2011 Buick Regal is 19 mpg in the city, 30 mpg on the highway.

The EPA mileage estimate for the 2004 Buick Regal is 18 mpg in the city, 28 mpg on the highway.

The EPA mileage estimate for the 2003 Buick Regal is 17 mpg in the city, 27 mpg on the highway.

The EPA mileage estimate for the 2001 Buick Regal is 17 mpg in the city, 28 mpg on the highway.

The EPA mileage estimate for the 2002 Buick Regal is 17 mpg in the city, 27 mpg on the highway.

The EPA mileage estimate for the 2012 Buick Regal is 19 mpg in the city, 31 mpg on the highway.

The EPA mileage estimate for the 2014 Buick Regal is 21 mpg in the city, 30 mpg on the highway.

The EPA mileage estimate for the 2013 Buick Regal is 25 mpg in the city, 36 mpg on the highway.

Disconnect the 1990 Regal battery. Remove the alternator belt. Unhook the wiring from the alternator then unbolt it. Remove and replace the alternator then reconnect the wiring, belt, and reconnect the battery to finish the installation.

Disconnect the 1991 Regal battery. Remove the alternator belt and wiring. Unbolt the alternator and install the new one. Reconnect the wires, install the belt, then reconnect the battery.

The EPA range estimate for the 2001 Buick Regal is 297.5 mi. in the city, 490.0 mi. on the highway.

The EPA range estimate for the 2013 Buick Regal is 395.0 mi. in the city, 568.8 mi. on the highway.

The EPA range estimate for the 2014 Buick Regal is 378.0 mi. in the city, 540.0 mi. on the highway.

The EPA range estimate for the 2002 Buick Regal is 297.5 mi. in the city, 472.5 mi. on the highway.

The EPA range estimate for the 2011 Buick Regal is 342.0 mi. in the city, 540.0 mi. on the highway.

The EPA range estimate for the 2012 Buick Regal is 342.0 mi. in the city, 558.0 mi. on the highway.

The EPA range estimate for the 2003 Buick Regal is 289 mi. in the city, 459 mi. on the highway.

The EPA range estimate for the 2004 Buick Regal is 306 mi. in the city, 476 mi. on the highway.

Passenger side, under the alternator, towards the firewall.

It's an internal regulator inside the alternator. So if you want to change it, you'll need a new alternator.

Buick never officially made a Presidential Edition Regal, but you still might try nada.com to get a close estimate

Buick Regal was created in 1973.

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