2003 Chevrolet Impala

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1 IGNITION SWITCH LOCK CYLINDER REPLACEMENT Removal Procedure IMPORTANT: Perform the body control module (BCM) theft deterrent relearn procedure whenever you replace the ignition switch lock cylinder. 1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical. 2. Remove the instrument panel (I/P) cluster trim plate. Refer to Trim Plate Bezel Replacement - Instrument Panel (I/P) Cluster (Impala) or Trim Plate Bezel Replacement - Instrument Panel (I/P) Cluster (Monte Carlo). Fig. 17: Holding Detent On Ignition Lock Cylinder Tuesday, January 13, :36:50 12:36:54 PM Page Mitchell Repair Information Company, LLC.

3. Insert the key and turn the ignition lock cylinder to the ON/RUN position. 4. Using a small curved tool or an L-shaped hex wrench, depress and hold the detent on the ignition lock cylinder.

2 3. Insert the key and turn the ignition lock cylinder to the ON/RUN position. 4. Using a small curved tool or an L-shaped hex wrench, depress and hold the detent on the ignition lock cylinder. Access the detent by placing the tool through the I/P opening to the right of the ignition switch. If you cannot locate the detent with the tool, lower the ignition switch away from the I/P. Refer to Ignition Switch Replacement. Fig. 18: Key & Lock Cylinder 5. Using the key as an aid, pull to remove the lock cylinder from the switch. 6. Remove the key from the lock cylinder. 7. If the cylinder does not rotate or is seized, follow the procedure in the ignition switch replacement. Refer to Ignition Switch Replacement. Installation Procedure Tuesday, January 13, :36:50 PM Page Mitchell Repair Information Company, LLC.

3 Fig. 19: Ignition Switch Rotor & Lock Cylinder 1. Code the ignition lock cylinder, if necessary. Refer to Key and Lock Cylinder Coding in General Information. 2. Insert the key and turn the lock cylinder to the ON/RUN position. 3. Position the lock cylinder to the ignition switch. Press the cylinder into place. If you turned the key slightly while removing the lock cylinder, you may have to align the white colored ignition switch rotor (1) with the lock cylinder (2). You can rotate the ignition switch rotor (1) with your finger. 4. Turn the key to the OFF position and remove the key. 5. Install the I/P cluster trim plate. Refer to Trim Plate Bezel Replacement - Instrument Panel (I/P) Cluster (Impala) or Trim Plate Bezel Replacement - Instrument Panel (I/P) Cluster (Monte Carlo). 6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical. 7. If you installed a new lock cylinder, perform the BCM theft deterrent relearn procedure. Refer to Body Tuesday, January 13, :36:50 PM Page Mitchell Repair Information Company, LLC.

4 Control Module (BCM) Programming/RPO Configuration in Body Control System. IGNITION SWITCH REPLACEMENT Removal Procedure Fig. 20: Ignition Switch Bolts 1. Disconnect the battery ground cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical. 2. Remove the steering column filler panel. Refer to Steering Column Filler Replacement. 3. Remove the knee bolster bracket. Refer to Knee Bolster Bracket Replacement - Left. 4. Remove the instrument panel (I/P) cluster trim plate. Refer to Trim Plate Bezel Replacement - Instrument Panel (I/P) Cluster (Impala) or Trim Plate Bezel Replacement - Instrument Panel (I/P) Cluster (Monte Carlo). Tuesday, January 13, :36:50 PM Page Mitchell Repair Information Company, LLC.

5 5. Remove the ignition switch bolts. 6. Lower the ignition switch away from the instrument carrier. 7. Insert the key into the ignition lock cylinder. Turn the key to the ON/RUN position. 8. Depress the retainer to release the transaxle park/lock cable. Remove the park/lock cable from the ignition switch by pulling on the cable. IMPORTANT: You cannot remove the Passlock electrical connector until the lock cylinder is removed. 9. Depress and hold the detent on the bottom of the ignition switch in order to release the ignition lock cylinder. Remove the ignition lock cylinder with the key. Fig. 21: Passlock Electrical Connectors Tuesday, January 13, :36:50 PM Page Mitchell Repair Information Company, LLC.

6 10. Disconnect the Passlock electrical connector. 11. Disconnect the electrical connectors. Fig. 22: Identifying Cylinder Release Button & Center Punch On Rib 12. Use the following procedure if the ignition switch lock cylinder is seized or won't rotate: 1. Protect the immediate work area with suitable material such as clean shop towels or a clean fender cover. 2. Locate the surface for the release button (2) for the ignition switch lock cylinder on the plastic ignition switch housing. Center punch a location (1) on the rib approximately 3/8 inch reward, Tuesday, January 13, :36:50 PM Page Mitchell Repair Information Company, LLC.

7 toward the key entry end, from the cylinder release button. 3. Carefully drill a pilot hole through the plastic housing with a 1/8-inch drill bit. 4. Using a 9/32-inch drill bit, carefully drill a larger hole at the pilot location, and slightly into the surface of the ignition switch lock cylinder, to break the release button retaining spring. 5. Remove portions of the broken spring from the hole using a small suitable tool. 6. Grasp the ignition switch lock cylinder and remove the cylinder from the switch housing. 7. Remove any plastic flash from the drilling operation, and using compressed air blow out the ignition switch assembly. 8. Follow service manual procedures when cylinder coding is required. Refer to Key and Lock Cylinder Coding in General Information. Installation Procedure 1. If the lock cylinder would not rotate or was seized, perform the following procedure: 1. Install the new ignition switch lock cylinder as required by rotating both the cylinder and the ignition switch to the ON position. 2. Push the ignition switch lock cylinder into the ignition switch housing until fully seated. 3. You may have to slightly depress the release button as the button passes by the 9/32-in hole previously drilled in the ignition switch housing. Tuesday, January 13, :36:50 PM Page Mitchell Repair Information Company, LLC.

8 Fig. 23: Passlock Electrical Connectors 2. Connect the electrical connectors. 3. Connect the Passlock electrical connector. 4. Connect the park/lock cable to the ignition switch. Tuesday, January 13, :36:50 PM Page Mitchell Repair Information Company, LLC.

9 Fig. 24: Ignition Switch Rotor & Lock Cylinder 5. Turn the key to the ON/RUN position. Install the ignition lock cylinder into the ignition switch. If you turned the key slightly while removing the lock cylinder, you may have to align the white colored ignition switch rotor (1) with the lock cylinder (2). You can rotate the ignition switch rotor (1) with your finger. 6. Remove the key. Tuesday, January 13, :36:50 PM Page Mitchell Repair Information Company, LLC.

10 Fig. 25: Ignition Switch Bolts 7. Position the ignition switch to the instrument carrier. NOTE: Refer to Fastener Notice in Cautions and Notices. 8. Install the ignition switch bolts. Tighten: Tighten the bolts to 10 N.m (89 lb in). 9. Install the trim plate bezel to the I/P cluster. Refer to Trim Plate Bezel Replacement - Instrument Panel (I/P) Cluster (Impala) or Trim Plate Bezel Replacement - Instrument Panel (I/P) Cluster (Monte Carlo). 10. Install the knee bolster bracket. Refer to Knee Bolster Bracket Replacement - Left. 11. Install the steering column filler panel. Refer to Steering Column Filler Replacement. Tuesday, January 13, :36:50 PM Page Mitchell Repair Information Company, LLC.

11 12. Connect the battery ground cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical Tuesday, January 13, :36:50 PM Page Mitchell Repair Information Company, LLC.

2006 Chevrolet Impala SS ENGINE Engine Electrical - Impala

2006 Chevrolet Impala SS ENGINE Engine Electrical - Impala BATTERY REPLACEMENT (RPOS LZE/LZ4/LZ9) Removal Procedure IMPORTANT: Do not tip the battery more than 40 degrees during removal. Fig. 52: View Of Negative Battery Cable Terminal & Battery 1. Disconnect