1. Loosen only, do not remove, the lower outside hidden headlamp bolt (2). 2. Depress the housing support tab with a flat-bladed tool downward in order to release the headlamp assembly from the support. 3. Pull the lamp assembly slightly forward to access the electrical connection. 4. Disconnect the forward lamp harness main electrical connector from the headlamp harness.
Headlamp Screws (Qty: 2)
1 Caution: Refer to Fastener Caution .
6 Nm (53 lb in)
O Headlamp Screw (Hidden)
6 Nm (53 lb in)
3 Headlamp Housing Support
Preliminary Procedure Remove Healamp
Remove either the LF or RF headlamp assembly. Refer to Headlamp Replacement (Chevrolet) Headlamp Replacement (GMC HD)
Headlamp Replacement (HD Diesel).
Headlamp Bulb (Hi)
Warning: Refer to Haiogen Bulb Warning .
Tip: Rotate the bulb socket a quarter turn counterclockwise and remove the bulb from the headlamp.
Headlamp Bulb (Lo)
Tip: Rotate the bulb socket a quarter turn counterclockwise and remove the bulb from the headlamp.
Need more come to https://www.autorepairhelp.us
SOURCE: I need help in changing headlight bulb on 2008 gmc
You have to remove the air intake filter and then kind of reach around up in there to change it. It can be done, but is a lot of work. On the duramax, it is even harder to do the driver side because of the dual batteries. You have to remove the battery, then the battery seat plate, and undo the winshield washer fluid tank and lean it forward. Then you can just sort of reach in and change both headlights. A very big pain to change a couple of headlights, but if you want HID's.... for the average person, changing a headlight now means a trip to that garage.
SOURCE: my husband owns a 2007 gmc sierra 2500 diesel and
the headlight housing is held in by 2 L shaped pins that rotate outward and pull up and out, then it can be pulled out.
SOURCE: how do I replace headlight
What I did was remove the air filter casing. It pops out. slide over the casing and you have access to the lightbulb.
twist off the bulb assembly and pull off the bulb to replace it.
SOURCE: headlight replacement 1998 GMC Sierra
there are two rods that slide down from the top. you have to turn to get them out of clip then pull up. once both are out then headlight can be removed.
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