How do I replace the fan blower? - 1987 Buick Century

GM Celebrity/Century/Ciera/6000 1982-1996 Repair Guide

Blower Motor - REMOVAL & INSTALLATION

This procedure is applicable for vehicles, with or without air conditioning.

1. Disconnect the negative cable at the battery.
2. On the 3.1L (VIN M) you will need to remove the serpentine belt and move the alternator aside.
3. For the 2.2L (VIN 4), disconnect the air inlet resonator, then remove the torque strut from the engine. Rotate the engine slightly forward.
4. Working inside the engine compartment, disconnect the blower motor electrical leads.
5. Remove the motor retaining bolts. If there is a hose disconnect it, then remove the blower motor.
   

1. Position the blower motor on it's mount.
2. Install the mounting bolts and tighten until snug.
3. Attach the drain hose if removed, then engage the electrical connection to the motor.
4. On the 2.2L (VIN 4), properly position the engine and install the torque strut to the engine. Connect the air inlet resonator.
5. On the 3.1L (VIN M), install the alternator, if removed. Install the serpentine belt.
6. Connect the negative battery cable, tighten the cable bolt to 11 ft. lbs. (15 Nm).
7. Reset the radio, clock and any other applicable electronic devices.