engine

Intake Manifold Torque Specs

for 2021 GMC Yukon 5.3L V8 · 4WD

Units

9 fasteners

Seq

Component

Torque

Angle

—

Cover Bolts

15 lb-ft · 20 Nm

—

Electrical Connector Bolts

6 lb-ft · 8 Nm

—

Fuel Rail Bolts

Critical

⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

9 lb-ft · 12 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

19 lb-ft · 26 Nm

—

Intake Manifold Bolts

Critical

Step 1: 44 in-lbs. Step 2: 89 in-lbs. Plastic manifold.

89 lb-ft · 10 Nm

—

Mounting Bolts

Critical

44 lb-ft · 60 Nm

—

PCV Valve

Critical

⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

6 lb-ft · 8 Nm

—

Sensor Mounting Bolts

10 lb-ft · 14 Nm

—

Throttle Body Bolts

Critical

⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

7 lb-ft · 10 Nm

—

2021 GMC YUKON

9 fasteners