Timing Chain Torque Specs

for 1998 Buick Park Avenue 3.8L Supercharged V6 · FWD

Units

5 fasteners

Seq

Component

Torque

Angle

—

Camshaft Sprocket Bolts

Critical

59 lb-ft · 80 Nm

—

Crankshaft Sprocket Bolt

Critical

Often TTY - check specs

133 lb-ft · 180 Nm

90°

—

Timing Chain Guide Bolts

Critical

9 lb-ft · 12 Nm

—

Timing Chain Tensioner

Critical

18 lb-ft · 25 Nm

—

Timing Cover Bolts

Tighten in sequence

9 lb-ft · 12 Nm

—

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1998 BUICK PARK AVENUE

5 fasteners