engine

Harmonic Balancer Torque Specs

for 2002 Pontiac Firebird 5.7L V8 LS1 · RWD

Units

11 fasteners

Seq

Component

Torque

Angle

—

Cover Bolts

16 lb-ft · 22 Nm

—

Crankshaft Balancer Bolt (New)

Critical

MUST USE NEW BOLT. Step 1: 37 lb-ft. Step 2: +140 degrees. Huge torque required.

37 lb-ft · 50 Nm

140°

—

Crankshaft Pulley Bolt

Critical

Often TTY - check spec, may require impact | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

133 lb-ft · 180 Nm

—

Electrical Connector Bolts

7 lb-ft · 9 Nm

—

Gasket Bolts

Critical

20 lb-ft · 27 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

20 lb-ft · 27 Nm

—

Harmonic Balancer Bolt

Critical

Often TTY, may need impact | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

133 lb-ft · 180 Nm

—

Mounting Bolts

27 lb-ft · 37 Nm

—

Mounting Bolts

Critical

47 lb-ft · 64 Nm

—

Sensor Bolts

11 lb-ft · 15 Nm

—

Sensor Mounting Bolts

11 lb-ft · 15 Nm

—

2002 PONTIAC FIREBIRD

11 fasteners