Chevrolet Silverado 4500HD/5500HD/6500HD Owner Manual (GMNA-
Localizing-U.S.-12102101) - 2019 - crc - 10/2/18
Service and Maintenance
363
.
Check operation of service
brakes (severe service
applications).
.
Check operation of parking
brake (severe service
applications).
Additional Required Services
Every 24 000 km/15,000 mi
.
Check front axle wheel bearing
end play.
.
Lubricate standard U-joints and
slip joint on drive shaft (identified
by non-booted slip joint) or every
three months, whichever comes
first.
.
Lubricate the suspension and
steering components at least
every other oil change or every
12 months, whichever comes
first. (If equipped with grease
fittings).
.
Visually inspect accessory drive
belts every 24 000 km
(15,000 mi) or every ten years,
whichever comes first. Inspect
for fraying, excessive cracking,
or damage; replace if needed.
.
Check generator, starter, and
battery for proper function.
.
Check power steering fluid level.
Vehicles that operate under normal
service conditions require the
following every 24 000 km/
15,000 mi:
.
Lubricate front axle tie rod ends
and drag link ends.
.
Lubricate front axle king pins
and busings. See
.
Check rear axle lubricant level.
.
Lubricate steering intermediate
shaft slip joint and steering gear
dust seal.
.
Check operation of service
brakes.
.
Check operation of parking
brake.
