Timing Chain Torque Specs

for 1987 GMC Suburban 7.4L V8 · RWD

Units

4 fasteners

Seq

Component

Torque

Angle

—

Camshaft sprocket bolts

Critical

20 lb-ft · 27 Nm

—

Harmonic balancer bolt

Critical

85 lb-ft · 115 Nm

—

Oil pan-to-timing cover bolts

9 lb-ft · 13 Nm

—

Timing cover bolts

9 lb-ft · 13 Nm

—

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