Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions ( 9 Of 12) >> Repair Instructions >> Engine Oil Level Indicator Switch Replacement (4WD with RC1 with F47) >> Single Use Fasteners and Components