2017 GMC YUKON XL check engine

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Page 300 of 427

GMC YUKON XL 2017  Owners Manual GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-9955936) - 2017 - crc - 7/5/16
Vehicle Care 299
Engine Coolant
The cooling system in the vehicle is
filled with DEX-COOL®en

Page 301 of 427

GMC YUKON XL 2017  Owners Manual GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-9955936) - 2017 - crc - 7/5/16
300 Vehicle Care
Checking Coolant
The coolant surge tank is in the
engine compartment on the

Page 302 of 427

GMC YUKON XL 2017  Owners Manual GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-9955936) - 2017 - crc - 7/5/16
Vehicle Care 301
Turn the pressure cap slowly
counterclockwise about one full
turn. If a hiss

Page 303 of 427

GMC YUKON XL 2017  Owners Manual GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-9955936) - 2017 - crc - 7/5/16
302 Vehicle Care
If Steam is Coming from the
Engine Compartment
{Warning
Steam from an overhe

Page 306 of 427

GMC YUKON XL 2017  Owners Manual GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-9955936) - 2017 - crc - 7/5/16
Vehicle Care 305
Brake Fluid
The brake master cylinder reservoir
is filled with GM approved D

Page 307 of 427

GMC YUKON XL 2017  Owners Manual GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-9955936) - 2017 - crc - 7/5/16
306 Vehicle Care
Caution
If brake fluid is spilled on the
vehicle's painted surfaces, the

Page 310 of 427

GMC YUKON XL 2017  Owners Manual GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-9955936) - 2017 - crc - 7/5/16
Vehicle Care 309
noise emissions to exceed Federal
standards, are covered by the
warranty for

Page 311 of 427

GMC YUKON XL 2017  Owners Manual GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-9955936) - 2017 - crc - 7/5/16
310 Vehicle Care
Do not use the accelerator
pedal, and be ready to turn off
the engine immedi