Installing alternator

Fig 1: View Of Alternator

Courtesy of VOLVO CARS OF NORTH AMERICA.

Install: 

• The generator in the correct position
• The upper screw, but do not tighten
• Both screws common to the generator and A/C compressor, but do not tighten.

Tighten: 

• The upper screw
• The lower screws for the A/C compressor
• The screws common to the generator and the A/C compressor.