Bulb Replacement; Halogen Bulbs - GMC 2004 Yukon XL Owner's Manual

When the differential is cold, add enough lubricant to
raise the level to 0 to 3/8 inch (9.5 mm) below the filler
plug hole.
When the differential is at operating temperature
(warm), add enough lubricant to raise the level to the
bottom of the filler plug hole.
What to Use
To determine what kind of lubricant to use, see
Recommended Fluids and Lubricants on page 6-14.
5-56

Bulb Replacement

For any bulb changing procedure not listed in this
section, contact your dealer.
See Replacement Bulbs on page 5-62 for the proper
types of bulbs to use.

Halogen Bulbs

CAUTION:
{
Halogen bulbs have pressurized gas inside and
can burst if you drop or scratch the bulb. You or
others could be injured. Be sure to read and
follow the instructions on the bulb package.