GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Century 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Compressor Relay Replacement

Removal Procedure

    Object Number: 476800 Size: SH
  1. Remove the underhood relay center knob (1).
  2. Remove the underhood relay center cover (2).

    3. Object Number: 428667 Size: SH
  3. Remove the A/C compressor control relay (15) from the electrical center.

Installation Procedure


    Object Number: 428667 Size: SH
  1. Install the A/C compressor control relay (15) into the electrical center.

    2. Object Number: 476800 Size: SH
  2. Install the underhood relay cover (2).
  3. Install the underhood relay center knob (1).