How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask David H Your Own Question
David H
David H, Cadillac Technician
Category: Cadillac
Satisfied Customers: 2677
Experience:  18 years cadillac dealer.ase master master certified
Type Your Cadillac Question Here...
David H is online now
A new question is answered every 9 seconds

1999 Cadillac deville: change the ac blower motor

This answer was rated:

what tools do I need to change the AC blower motor on a 1999 Cadillac Deville
Hello and Welcome to Just Answer

You will need a set of metric sockets,mainly 7mm,10mm,13mm.You will need a ratchet and medium length extension.Here is the replacement procedure.

Removal Procedure

  1. Disconnect the negative battery cable.
  2. Remove the cross-car brace.
  3. Disconnect and position the ignition control module assembly out of the way.
  4. Position the cross-car harness out of the way.
  5. Remove the solenoid purge valve.

  6. Object Number: 381375  Size: SH

  7. Remove the inertial plate screws from the blower motor.
  8. Remove the inertial plate from the blower motor.
  9. Disconnect the connector from the blower motor.
  10. Remove the blower motor screws.
  11. Remove the blower motor.

Installation Procedure

Important: Leave the blower motor in the box in order to reduce the amount of handling of the blower motor.

    Object Number: 381375  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the blower motor and the screws.
  2. Tighten
    Tighten the screws to 4 N·m (35 lb ft).

  3. Install the inertial plate and screws.
  4. Tighten
    Tighten the screws to 4 N·m (35 lb ft).

  5. Connect the connector to the blower motor.
  6. Install the solenoid purge valve.
  7. Reposition and install the ignition control module assembly.
  8. Install the cross-car brace.
  9. Connect the negative battery cable.
David H and other Cadillac Specialists are ready to help you