GM Service Manual Online
For 1990-2009 cars only

Engine Coolant Fan Motor Replacement LY7

Removal Procedure


    Object Number: 840257  Size: SH
  1. Remove the cooling fan assembly. Refer to Fan Replacement.
  2. Remove the fan blade retaining nut (1) from the motor.

  3. Object Number: 840254  Size: SH
  4. Remove the fan blade from the motor shaft.

  5. Object Number: 840251  Size: SH
  6. Remove the motor retaining screws (1).

  7. Object Number: 840246  Size: SH
  8. Remove the motor from the shroud.

Installation Procedure


    Object Number: 840246  Size: SH
  1. Install the motor to the shroud.
  2. Caution: Refer to Component Fastener Tightening Caution in the Preface section.


    Object Number: 840251  Size: SH
  3. Install the cooling fan motor retaining screws (1) and tighten to 5 N·m (44 lb in).

  4. Object Number: 840254  Size: SH
  5. Install the fan blade to the motor shaft.

  6. Object Number: 840257  Size: SH
  7. Install the fan blade retaining nut (1) to the motor and tighten to 7 N·m (62 lb in).
  8. Install the cooling fan assembly. Refer to Fan Replacement.

Engine Coolant Fan Motor Replacement LH2

Removal Procedure


    Object Number: 2182632  Size: SH
  1. Remove the cooling fan assembly. Refer to Fan Replacement.
  2. Remove the fan blade retaining nut (1) from the motor.

  3. Object Number: 2182634  Size: SH
  4. Remove the fan blade from the motor shaft.

  5. Object Number: 840251  Size: SH
  6. Remove the motor retaining screws (1).

  7. Object Number: 840246  Size: SH
  8. Remove the motor from the shroud.

Installation Procedure


    Object Number: 840246  Size: SH
  1. Install the motor to the shroud.
  2. Caution: Refer to Component Fastener Tightening Caution in the Preface section.


    Object Number: 840251  Size: SH
  3. Install the cooling fan motor retaining screws (1) and tighten to 5 N·m (44 lb in).

  4. Object Number: 2182634  Size: SH
  5. Install the fan blade to the motor shaft.

  6. Object Number: 2182632  Size: SH
  7. Install the fan blade retaining nut (1) to the motor and tighten to 7 N·m (62 lb in).
  8. Install the cooling fan assembly. Refer to Fan Replacement.