GM Service Manual Online
For 1990-2009 cars only

Headlamp Capsule Replacement Acadia TVD


Object Number: 1864354  Size: MF

Callout

Component Name

Caution: The high intensity discharge system produces high voltage and current. In order to reduce the risk of severe shocks and burns, the battery negative cable must be disconnected any time service work is being performed on or around the high intensity discharge system.

Caution: The high intensity discharge system produces high voltage and current. To reduce the risk of severe shocks and burns:

   • Never open the high intensity discharge system ballast or the arc tube assembly starter.
   • Never probe between the high intensity discharge system ballast output connector and the arc tube assembly.

Preliminary Procedure

Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement .

1

Headlamp Assembly Bolts (Qty: 4)

Notice: Refer to Fastener Notice in the Preface section.

Tighten
6 N·m (53 lb in)

2

Fender Brace to Headlamp Screw

Tighten
2 N·m (18 lb in)

3

Headlamp Horizontal and Vertical Adjustment Nuts

Procedure

  1. Set the cam adjusting nuts to the nominal setting of 6 turns off fully seated prior to installing the new headlamp assembly.
  2. Check the front bumper fascia to headlamp finish fit and adjust the cam nuts accordingly to achieve an even fit.

4

Headlamp Vertical Adjuster Bolt Bushing

5

Headlamp Capsule Assembly

Procedure

  1. Gently pull forward the headlamp capsule assembly.
  2. Disconnect the forward lamp harness electrical connector from the headlamp.
  3. Remove the headlamp capsule from the vehicle.

Headlamp Capsule Replacement Enclave TVC TSH


Object Number: 1864354  Size: MF

Callout

Component Name

Caution: The high intensity discharge system produces high voltage and current. In order to reduce the risk of severe shocks and burns, the battery negative cable must be disconnected any time service work is being performed on or around the high intensity discharge system.

Caution: The high intensity discharge system produces high voltage and current. To reduce the risk of severe shocks and burns:

   • Never open the high intensity discharge system ballast or the arc tube assembly starter.
   • Never probe between the high intensity discharge system ballast output connector and the arc tube assembly.

Preliminary Procedure

Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement .

1

Headlamp Assembly Bolts (Qty: 4)

Notice: Refer to Fastener Notice in the Preface section.

Tighten
6 N·m (53 lb in)

2

Fender Brace to Headlamp Screw

Tighten
2 N·m (18 lb in)

3

Headlamp Horizontal and Vertical Adjustment Nuts

Procedure

  1. Set the cam adjusting nuts to the nominal setting of 6 turns off fully seated prior to installing the new headlamp assembly.
  2. Check the front bumper fascia to headlamp finish fit and adjust the cam nuts accordingly to achieve an even fit.

4

Headlamp Vertical Adjuster Bolt Bushing

5

Headlamp Capsule Assembly

Procedure

  1. Gently pull forward the headlamp capsule assembly.
  2. Disconnect the forward lamp harness electrical connector from the headlamp.
  3. Remove the headlamp capsule from the vehicle.

Headlamp Capsule Replacement OUTLOOK


Object Number: 1864354  Size: MF

Callout

Component Name

Caution: The high intensity discharge system produces high voltage and current. In order to reduce the risk of severe shocks and burns, the battery negative cable must be disconnected any time service work is being performed on or around the high intensity discharge system.

Caution: The high intensity discharge system produces high voltage and current. To reduce the risk of severe shocks and burns:

   • Never open the high intensity discharge system ballast or the arc tube assembly starter.
   • Never probe between the high intensity discharge system ballast output connector and the arc tube assembly.

Preliminary Procedure

Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement .

1

Headlamp Assembly Bolt (Qty: 4)

Notice: Refer to Fastener Notice in the Preface section.

Tighten
6 N·m (53 lb in)

2

Fender Brace to Headlamp Screw

Tighten
6 N·m (53 lb in)

3

Headlamp Adjuster Nut

4

Headlamp Vertical Adjuster Bolt Bushing

5

Headlamp Capsule Assembly

Procedure

Disconnect the forward lamp harness electrical connector from the headlamp prior to removing the headlamp assembly from the vehicle.