Buick Regal Owners & Service Manuals

Buick Regal: Transmission Control Lever Knob Replacement

Removal Procedure

1. Set the parking brake.

2. Shift the transmission control lever into Reverse position.

3.

Automatic Transmission

Gently release the transmission control lever boot bezel (1) at the front. Unclip 6 retainers (arrows), using a flat bladed tool.

4. Pull the transmission control lever boot bezel up to gain access to the electrical connector.

5.

Automatic Transmission

Electrical Connector (1) - Disconnect.

6.

Automatic Transmission

Pull the transmission control lever boot bezel (1) up to gain access to the transmission control lever boot retaining ring (2).

7. Release (arrows) the 2 latches of the transmission control lever boot retaining ring to separate the transmission control lever boot from the transmission control lever knob.

8. Push the transmission control lever boot bezel along with the retaining ring down to gain access to the transmission control lever knob fastener.

9.

Automatic Transmission

Transmission Control Lever Knob Fastener (1) - Remove.

10.

Automatic Transmission

Transmission Control Lever Knob (1) @Transmission Control Lever (3) - Remove.

11. Transmission Control Lever Boot (2) @Transmission Control Lever - Remove.

Installation Procedure

1.

Automatic Transmission

Transmission Control Lever Boot (2) @Transmission Control Lever (3) - Install.

2. Transmission Control Lever Knob (1) @Transmission Control Lever - Install.

3.

Automatic Transmission

NOTE: Ensure the correct orientation of the transmission control lever knob fastener.

Transmission Control Lever Knob Fastener (1) - Install.

4. Check the transmission control lever knob for proper seat by pulling and twisting.

5.

Automatic Transmission

Pull the transmission control lever boot bezel (1) along with the transmission control lever boot retaining ring (2) up.

6. Install the transmission control lever boot retaining ring to the transmission control lever knob. The 2 latches (arrows) of the transmission control lever boot retaining ring must engage noticeable.

7. Push the transmission control lever boot bezel down.

8.

Automatic Transmission

Electrical Connector (1) - Connect.

9.

Automatic Transmission

Install the transmission control lever boot bezel (1). First install the bezel at the rear then clip in the front of the bezel. Clip in 6 retainers (arrows).

10. Shift the transmission control lever into "P" position.

11. Release the parking brake.

TRANSMISSION CONTROL LEVER INSULATOR REPLACEMENT

Automatic Transmission

Preliminary Procedures

1. Refer to Transmission Control Lever Knob Replacement.

2. Refer to Front Floor Console Replacement.

  1. Transmission Control Lever Insulator

TRANSMISSION CONTROL REPLACEMENT

Removal Procedure

1. Transmission Control Lever Knob - Remove - Refer to Transmission Control Lever Knob Replacement

2. Front Floor Console - Remove - Refer to Front Floor Console Replacement

3.

Automatic Transmission

Remove the transmission control lever insulator (1).

4. Front Floor Console Rear Air Front Duct - Remove - Refer to Front Floor Console Rear Air Duct Replacement (Front) Refer to Front Floor Console Rear Air Duct Replacement (Rear) 5.

Automatic Transmission

Range Selector Lever Cable (1) @Transmission Control (2) - Remove.

  1. Push (arrows) the 2 lashes of the retainer (3) to disengage the range selector lever cable from the front of the transmission control.
  2. Remove the range selector lever cable with a suitable tool from the ball joint of the transmission control.

6.

Automatic Transmission

Wiring Harness Clip (3) @Transmission Control (1) - Unclip.

7. Electrical Connector (2) @Transmission Control - Disconnect.

8.

Automatic Transmission

Transmission Control Nut (1) - Remove[4x].

9. Transmission Control (2) - Remove.

Installation Procedure

1.

Automatic Transmission

Transmission Control (1) - Install.

2. Transmission Control Nut (2) - Install and tighten[4x]9N.m (80 lb in).

3.

Automatic Transmission

Electrical Connector (2) @Transmission Control (1) - Connect.

4. Wiring Harness Clip (3) @Transmission Control - Clip.

5.

Automatic Transmission

Range Selector Lever Cable (1) @Transmission Control (2) - Install.

  1. Install the range selector lever cable to the ball joint of the transmission control.
  2. Push the range selector lever cable to the front of the transmission control. The retainer (3) must engage noticeable.

6. Front Floor Console Rear Air Front Duct - Install - Refer to Front Floor Console Rear Air Duct Replacement (Front) Refer to Front Floor Console Rear Air Duct Replacement (Rear).

7.

Automatic Transmission

Install the transmission control lever insulator (1).

8. Front Floor Console - Install - Refer to Front Floor Console Replacement.

9. Transmission Control Lever Knob - Install - Refer to Transmission Control Lever Knob Replacement.

Adjustment Procedure

1. Range Selector Lever Cable - Adjust - Refer to Range Selector Lever Cable Adjustment.

TRANSMISSION FLUID DRAIN AND FILL

Draining Procedure

1. Raise and support the vehicle. Lifting and Jacking the Vehicle.

2.

Automatic Transmission

Transmission Fluid Drain Plug (1) - Remove - Refer to Transmission Fluid Filler Overflow Tube and Drain Plug Removal.

3. Drain the transmission fluid into a suitable container.

4. Transmission Fluid Drain Plug - Install - Refer to Transmission Fluid Filler Overflow Tube and Drain Plug Installation.

5. Lower the vehicle.

Filling Procedure

1. Battery Tray - Remove - Refer to Battery Tray Replacement.

2.

Automatic Transmission

NOTE: The transmission oil filler plugs installed at locations 1 & 2 at the vehicle assembly plant are one-time-use. They have an interference fit and do not have O-rings. Once removed, these plugs must be replaced. The service part (replacement plug) available in the Electronic Parts Catalog (EPC) comes with an O-ring. Lubricate the seal with AW-1 fluid and install the O-ring prior to installing the plug. At each subsequent service, the service part plug (replacement plug) O-ring seal must be replaced. It is a one-time-use part. It is available separate from the plug in the EPC.

Remove a transmission oil filler plug (1) or (2), whichever is easier to access.

3. Fill the transmission to the proper level with the correct fluid. Approximate Fluid Capacities, and Adhesives, Fluids, Lubricants, and Sealers.

4. Install the transmission oil filler plug (1) or (2). Transmission Oil Filler Plug Replacement.

5. Battery Tray - Install - Refer to Battery Tray Replacement.

6. Raise the vehicle.

7. Check the transmission fluid level. Transmission Fluid Level and Condition Check.

8. Lower the vehicle.

9. Reset the learned values of the transmission control module. Learned Values Reset

TRANSMISSION OIL FILLER PLUG REPLACEMENT

Removal Procedure

1. Battery Tray - Remove - Refer to Battery Tray Replacement.

2.

Automatic Transmission

Remove a transmission oil filler plug (1) or (2).

Installation Procedure

1.

Automatic Transmission

NOTE: The transmission oil filler plugs installed at locations 1 & 2 at the vehicle assembly plant are one-time-use. They have an interference fit and do not have O-rings. Once removed, these plugs must be replaced. The service part (replacement plug) available in the Electronic Parts Catalog (EPC) comes with an O-ring. Lubricate the seal with AW-1 fluid and install the O-ring prior to installing the plug. At each subsequent service, the service part plug (replacement plug) O-ring seal must be replaced. It is a one-time-use part. It is available separate from the plug in the EPC.

CAUTION: Refer to Component Fastener Tightening Caution.

Install the transmission oil filler plug (1) or (2) and tighten to 30N.m (22 lb ft).

2. Battery Tray - Install - Refer to Battery Tray Replacement.

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