GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Technical Data 397
Application
Capacities
Metric English
Transfer Case Fluid 1.5 L 1.6 qt
Rear Axle
IMechanical Limited Slip
1.5 L 1.6 qt
IElectronic Limited Slip
1.5 L 1.6 qt
Wheel Nut Torque 190 Y 140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level
after filling.
*Engine cooling system capacity values are based on the entire cooling system and its components.
Engine Specifications
Engine VIN Code Spark Plug Gap
5.3L V8 Engine (L84) D 0.95–1.10 mm (0.037–0.043 in)
6.2L V8 Engine (L87) L 0.95–1.10 mm (0.037–0.043 in)
Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage the spark plug.
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