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GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 8/27/19
446
Service and Maintenance
(6)
Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7)
Replace brake fluid every five
years. See
.
(8)
Or every 12 months, whichever
comes first. See
(9)
Or every 10 years, whichever
comes first. See
.
(10)
Replace air conditioning
desiccant every seven years.