Back to 2021 GMC Yukon

2021 GMC YUKON

5.3L V8•4WD•AUTOMATIC•gas

13 active safety recalls on this vehicle — view recalls

Repairs0 Labor519 Torque5045 Fluid9 DTC971 Battery0 Maintenance0 Recalls13

engine

Valve Adjustment Torque Specs

for 2021 GMC Yukon 5.3L V8 · 4WD

Units

10 fasteners

Seq

Component

Torque

Angle

—

Cover Bolts

15 lb-ft · 20 Nm

—

—

Electrical Connector Bolts

6 lb-ft · 8 Nm

—

—

Gasket Bolts

Critical

19 lb-ft · 25 Nm

—

—

Gasket Surface Bolts

Critical

Clean mating surfaces

19 lb-ft · 26 Nm

—

—

Mounting Bolts

Critical

44 lb-ft · 60 Nm

—

—

Rocker Arm Bolts

Critical

Tighten with cam lobe pointing away

22 lb-ft · 30 Nm

—

—

Sensor Bolts

10 lb-ft · 14 Nm

—

—

Sensor Mounting Bolts

10 lb-ft · 14 Nm

—

—

Valve Cover Bolts

Tighten in sequence

7 lb-ft · 10 Nm

—

—

Valve Lash Adjusting Screw Lock Nut

Critical

Hold screw while tightening

15 lb-ft · 20 Nm

—

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