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2002 GMC SONOMA

4.3L V6 VortecFWDAUTOMATICgas
Repairs0Labor473Torque3667Fluid6DTC745Battery0Maintenance0Recalls0
engine

Head Gaskets - Both Torque Specs

for 2002 GMC Sonoma 4.3L V6 Vortec · FWD
Units

10 fasteners

Seq
Component
Torque
Angle
Camshaft Cap Bolts
Critical
Torque sequence
12 lb-ft · 16 Nm
Cover Bolts
14 lb-ft · 19 Nm
Cylinder Head Bolts
Critical
Multi-step + angle
65 lb-ft · 88 Nm
Electrical Connector Bolts
6 lb-ft · 8 Nm
Exhaust Manifold Nuts
Critical
25 lb-ft · 34 Nm
Gasket Surface Bolts
Critical
Clean mating surfaces
17 lb-ft · 23 Nm
Intake Manifold Bolts
Critical
18 lb-ft · 24 Nm
Mounting Bolts
Critical
40 lb-ft · 54 Nm
Sensor Mounting Bolts
9 lb-ft · 12 Nm
Valve Cover Bolts
Critical
10 lb-ft · 14 Nm
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