GM Service Manual Online
For 1990-2009 cars only

Blower Motor Control Processor Replacement LHD Only

Removal Procedure


    Object Number: 859704  Size: SH
  1. Disconnect the blower motor electrical connector.

  2. Object Number: 859699  Size: SH
  3. Remove the blower motor mounting screws.
  4. Remove the blower motor and cover.

Installation Procedure


    Object Number: 859699  Size: SH
  1. Install the blower motor and cover.
  2. Install the blower motor mounting screws.
  3. Tighten
    Tighten the blower motor mounting screws 1.7 N·m (15 lbs in).


    Object Number: 859704  Size: SH
  4. Install the electrical connector to the blower motor.

Blower Motor Control Processor Replacement RHD Domestic Only

Removal Procedure


    Object Number: 860831  Size: SH
  1. Disconnect the blower motor electrical connector.

  2. Object Number: 860856  Size: SH
  3. Remove the blower motor mounting screws.
  4. Remove the blower motor assembly.

Installation Procedure


    Object Number: 860856  Size: SH
  1. Install the blower motor assembly.
  2. Install the blower motor mounting screws.
  3. Tighten
    Tighten the blower motor mounting screws 1.7 N·m (15 lbs in).


    Object Number: 860831  Size: SH
  4. Install the electrical connector to the blower motor.