2004 GMC YUKON XL DENALI service interval

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Page 184 of 468

GMC YUKON XL DENALI 2004  Owners Manual ·Low transmission ¯uid level
·High transmission ¯uid level
·Restricted air ¯ow to the radiator and the auxiliary
transmission oil cooler (if equipped).
A temporary solution to hotter transmissio

Page 430 of 468

GMC YUKON XL DENALI 2004  Owners Manual Maintenance Footnotes
²The 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 wa

Page 431 of 468

GMC YUKON XL DENALI 2004  Owners Manual (g)Inspect system. Check all fuel and vapor lines and
hoses for proper hook-up, routing and condition.
Check that the purge valve works properly (if equipped).
Replace as needed.
(h)Change automatic t