trailer HUMMER H2 2007 Service Manual

(d)Visually inspect wiper blades for wear or
cracking. Replace wiper blades that appear worn
or damaged or that streak or miss areas of
the windshield.
(e)Make sure the safety belt reminder light and all
your belts, buckles, latch plates, retractors, and
anchorages are working properly. Look for any
other loose or damaged safety belt system parts.
If you see anything that might keep a safety belt
system from doing its job, have it repaired. Have
any torn or frayed safety belts replaced. Also look
for any opened or broken airbag coverings, and
have them repaired or replaced. The airbag system
does not need regular maintenance.
(f)Lubricate all key lock cylinders, hood latch
assembly, secondary latch, pivots, spring anchor,
release pawl, rear compartment hinges, outer
liftgate handle pivot points, rear door detent link,
roller mechanism, liftgate handle pivot points, latch
bolt, fuel door hinge, cargo door hinge, locks,
and folding seat hardware. More frequent
lubrication may be required when exposed to a
corrosive environment. Applying silicone grease on
weatherstrips with a clean cloth will make them
last longer, seal better, and not stick or squeak.Spare tire carrier hinge and latch: Inspect for leaks
and lubricate if required. Remove the setscrew
at the hinge casting and add lubricant, moving the
hinge back and forth periodically, until lubricant
can be seen coming from the setscrew opening.
Install setscrew and tighten to 7 ft lb (9
Y).
SeeRecommended Fluids and Lubricants
on page 528for what lubricant to use.
(g)Check vent hose at transfer case for kinks and
proper installation.
(h)Change automatic transmission uid and lter
if the vehicle is mainly driven under one or
more of these conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C)
or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or
delivery service.
522

Tires (cont.)
Uniform Tire Quality Grading.................... 462
Wheel Alignment and Tire Balance........... 463
Wheel Replacement................................. 464
When It Is Time for New Tires................. 459
Tonneau Cover............................................ 167
Tool Kit ....................................................... 360
Tow/Haul Mode........................................... 127
Tow/Haul Mode Light................................... 220
Towing
Recreational Vehicle................................. 369
Towing a Trailer....................................... 374
Your Vehicle............................................. 369
Traction
Control System (TCS).............................. 309
Off Light.................................................. 212
Trailer
Recommendations.................................... 388
Transmission
Fluid, Automatic....................................... 412
Temperature Gage................................... 213
Transmission Operation, Automatic.............. 124
Trip Odometer............................................. 206
Turn and Lane-Change Signals................... 178
Turn Signal/Multifunction Lever.................... 178U
Understanding Radio Reception................... 297
Uniform Tire Quality Grading....................... 462
Universal Home Remote System........148, 149
Operation........................................150, 156
V
Vehicle
Control..................................................... 306
Damage Warnings....................................... 5
Loading.................................................... 362
Symbols...................................................... 5
Vehicle Customization, DIC......................... 234
Vehicle Data Collection and Event
Data Recorders........................................ 546
Vehicle Identication
Number (VIN).......................................... 502
Service Parts Identication Label.............. 502
Ventilation Adjustment.................................. 203
Visors.......................................................... 115
Voltmeter Gage........................................... 210
569