GMC canyon 2018 Owner's Manual page 357

356 Service and Maintenance
(2) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(3) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(4) Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and
contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(5) Or every five years, whichever
comes first. See Cooling System
0 278.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) If equipped with an automatic
transmission, replace brake fluid
every five years. See Brake Fluid
0 284.
(8) If equipped with a manual
transmission, replace brake/clutch
fluid every three years. See Brake
Fluid 0 284.