GM Service Manual Online
For 1990-2009 cars only

Headlamp Replacement Acadia


Object Number: 1864354  Size: MF

Callout

Component Name

Preliminary Procedure

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

1

Headlamp Screws (Qty: 4)

Notice: Refer to Fastener Notice in the Preface section.

Tighten
6 N·m (53 lb in)

2

Fender Brace Screw to Headlamp

Tighten
2 N·m (18 lb in)

3

Headlamp Horizontal and Vertical Adjustment Nuts (Qty: 2)

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 Adjusting Bolt Bushing

5

Headlamp Assembly

Procedure

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

Headlamp Replacement Enclave


Object Number: 1866722  Size: MF

Callout

Component Name

Preliminary Procedure

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

1

Headlamp Bolt (Qty: 4)

Notice: Refer to Fastener Notice in the Preface section.

Tighten
6 N·m (53 lb in)

2

Fender Brace Bolt to Headlamp

Tighten
2 N·m (18 lb in)

3

Headlamp Horizontal and Vertical Adjustment Nuts (Qty: 2)

Procedure

  1. Set the cam adjusting nuts to the nominal setting of 6 turns off fully seated prior to installing the new 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 Adjusting Bolt Bushing

5

Headlamp Assembly

Procedure

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

Headlamp Replacement OUTLOOK


Object Number: 1589515  Size: SF

Callout

Component Name

Preliminary Procedure

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

1

Headlamp Assembly Bolt (Qty: 3)

Notice: Refer to Fastener Notice in the Preface section.

Tip
Tighten the fasteners in sequence as shown.

Tighten
6 N·m (53 lb in)

2

Headlamp Assembly Nut

Tighten
6 N·m (53 lb in)

3

Headlamp Assembly

Procedure

Pull outward on the housing in order to disconnect the electrical connection at the lower rear edge of the lamp.

4

Electrical Harness Connector

Procedure

Disconnect the electrical connector from the headlamp assembly.