Hummer 2004 H2 User Manual download pdf (Page 434)

Maintenance Footnotes

† The U.S. Environmental Protection Agency or the

California Air Resources Board has determined that the

failure to perform this maintenance item will not nullify

the emission warranty or limit recall liability prior to

the completion of the vehicle’s useful life. We, however,

urge that all recommended maintenance services be

performed at the indicated intervals and the

maintenance be recorded.

# Lubricate the front suspension, ball joints, steering

linkage, transmission shift linkage and parking

brake cable guides. Ball joints should not be lubricated

unless their temperature is 10°F (-12°C) or higher,

or they could be damaged.

(a) Visually inspect brake lines and hoses for proper

hook-up, binding, leaks, cracks, chaﬁng, etc. Inspect

disc brake pads for wear and rotors for surface

condition. Inspect other brake parts, including calipers,

parking brake, etc.

(b) Visually inspect front and rear suspension and

steering system for damaged, loose or missing parts,

signs of wear or lack of lubrication. Inspect power

steering lines and hoses for proper hook-up, binding,

leaks, cracks, chaﬁng, etc. Visually check constant

velocity joints, rubber boots and axle seals for leaks.

are cracked, swollen or deteriorated. Inspect all pipes,

ﬁttings and clamps; replace with genuine GM parts as

needed. To help ensure proper operation, a pressure test

of the cooling system and pressure cap and cleaning the

outside of the radiator and air conditioning condenser is

recommended at least once a year.

(d) Visually inspect wiper blades for wear or cracking.

Replace blade inserts 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 air bag

coverings, and have them repaired or replaced. (The air

bag 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.

6-8

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Hummer 2004 H2 User Manual Page 434

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