Damage to the blower Engine happens most ofttimes during summer and winter months when its flow continually. Other than short circuits or blown fuses, the blower motors should endure 50,000 miles or expanded on your vehicle. Conventional signs that the blower Engine needs to be changed involve rattling or ear-piercing squealing when you turn it on. Whether the blower Engine stops working completely or one shot works on one setting, this and indicates a communication of damage. The blower motor on the 99 Grand Prix mounts directly under the dashboard on the front passenger side. Changing the blower Engine should receipts 45 minutes or less with the Correct tools.
Instructions
Removal
1. Elevate the hood on your Grand Prix and allot the murky wire or rejection advertise on the automobile battery. Loosen and remove the cable from its announce with a socket wrench. Before you place the cable down, wrap the metal terminal extreme of the cable with electrical tape. Position the cable outside from any metal to prevent contact.
2. Remove the fuse that reads "Air Bag" directly above it from your fuse panel. The fuse has acceptable print on it that reads "15 A." Consequent to it, you should contemplate the numeral "113." Remove the fuse with the fuse pullers or a yoke of needle-nosed pliers.
3. Kneel and position yourself on the front passenger side so that you can clock under the dashboard. Remove all of the screws from the dusky silencing trim panel with a Phillips screwdriver. Lower the trim panel from its position under the dashboard, and deposit it to the side of your duty world along with its screws.
4. Set the blower Engine under the dashboard; it looks affection a metal Mug turned upside down on a metal saucer. Unplug the blower Engine's wiring harness by help. Provided you hold annoyance with the safety clip, application a flat-head screwdriver to lift the clip up while simultaneously pulling down on the harness plug.
5. Remove the four Phillips screws from sorrounding the retaining plate at the pattern of the blower Engine. Before you remove the Ending screw from the retaining plate, bed the blower Engine with one ability to control it from falling. Then carefully lower the blower outside of its housing and place it to the side of your functioning sphere.
Installation
7. Install the new blower motor back into its housing under the dashboard exactly as you removed the old motor. Hand thread each of the blower's retaining screws one at a time. Set your torque screwdriver to 14 foot-pounds, and completely secure the screws back into the retaining plate.
6. Compare the cutting edge blower Engine with the aged one to insure you hog the licence replacement. Spin the fan cage on the new blower motor in both directions to ensure that it turns freely. If you hear any grinding sounds or the fan cage fails to spin, the new blower motor may already be defective.
8. Plug the blower motor's wiring harness back in. You should hear the safety clip engage with a small audible click. If you do not hear the click, check the connection by gently pulling downward on the harness plug.
9. Place the silencing trim panel back into its mounting position under the dashboard and return each of its retaining screws. Once you have all of the screws returned, tighten each of them an extra quarter to half turn. Do not over-tighten the screws and damage the trim panel.
10. Reinstall the air bag fuse in your fuse panel on the driver side. Remove all of the electrical tape from the negative battery cable terminal. Connect the cable to the battery and tighten the securing bolt by hand until its snug. Set your 3/8-inch-drive torque wrench to 12 foot-pounds and fully tighten the bolt. Turn the power on, and test your new blower motor on all of its circulation settings from low to high.
