engine
Front Main Seal Torque Specs
for 2016 GMC Yukon 5.3L V8 · 4WD
Units
11 fasteners
Seq
Component
Torque
Angle
—
Cover Bolts
15 lb-ft · 20 Nm
—
—
Crankshaft Pulley Bolt
CriticalOften TTY - check spec, may require impact
133 lb-ft · 180 Nm
—
—
Gasket Bolts
Critical19 lb-ft · 25 Nm
—
—
Harmonic Balancer Bolt
CriticalOften TTY, may need impact
133 lb-ft · 180 Nm
—
—
Mounting Bolts
25 lb-ft · 34 Nm
—
—
Mounting Bolts
Critical44 lb-ft · 59 Nm
—
—
Oil Drain Plug
CriticalUse new crush washer
26 lb-ft · 35 Nm
—
—
Oil Pan Bolts
Front section only
9 lb-ft · 12 Nm
—
—
Sensor Bolts
10 lb-ft · 14 Nm
—
—
Timing Cover Bolts - 10mm
CriticalTighten in sequence
33 lb-ft · 45 Nm
—
—
Timing Cover Bolts - 8mm
CriticalTighten in sequence
18 lb-ft · 25 Nm
—