Timing Chain Torque Specs

for 1998 Pontiac Bonneville 3.8L V6 Supercharged · FWD

Units

5 fasteners

Seq

Component

Torque

Angle

—

Camshaft Sprocket Bolts

Critical

21 lb-ft · 28 Nm

—

Crankshaft Balancer Bolt

Critical

110 lb-ft · 149 Nm

—

Harmonic Balancer-to-Crank (then +76°)

Critical

110 lb-ft · 149 Nm

—

Timing Chain Cover Bolts

12 lb-ft · 16 Nm

—

Water Pump Bolts

11 lb-ft · 15 Nm

—

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