engine

Head Gaskets - Both Torque Specs

for 2002 Pontiac Firebird 5.7L V8 LS1 · RWD

Units

20 fasteners

Seq

Component

Torque

Angle

—

Camshaft Cap Bolts

Critical

Torque sequence

16 lb-ft · 22 Nm

—

Camshaft Sprocket Bolt

Critical

Hold cam with wrench on hex

59 lb-ft · 80 Nm

—

Cover Bolts

16 lb-ft · 22 Nm

—

Crankshaft Pulley Bolt

Critical

Often TTY - check spec, may require impact

133 lb-ft · 180 Nm

—

Cylinder Head Bolts

Critical

Multi-step + angle

88 lb-ft · 119 Nm

—

Cylinder Head Bolts (M11) - <2004

Critical

UNEQUAL LENGTH BOLTS (1997-2003). Step 1: 22 lb-ft. Step 2: +90 degrees. Step 3: +90 degrees (short bolts only +50 degrees).

22 lb-ft · 30 Nm

90°

—

Cylinder Head Bolts (M11) - 2004+

Critical

EQUAL LENGTH BOLTS (2004+). Step 1: 22 lb-ft. Step 2: +90 degrees. Step 3: +90 degrees.

22 lb-ft · 30 Nm

90°

—

Cylinder Head Bolts (M8 Upper)

Critical

Tighten last. 22 lb-ft.

22 lb-ft · 30 Nm

—

Electrical Connector Bolts

7 lb-ft · 9 Nm

—

Exhaust Manifold Nuts

Critical

34 lb-ft · 46 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

20 lb-ft · 27 Nm

—

Intake Manifold Bolts

Critical

24 lb-ft · 33 Nm

—

Mounting Bolts

Critical

47 lb-ft · 64 Nm

—

Oil Drain Plug

Critical

Use new crush washer

26 lb-ft · 35 Nm

—

Rocker Arm Bolts

Critical

Tighten with cam lobe pointing away

22 lb-ft · 30 Nm

—

Sensor Mounting Bolts

7 lb-ft · 10 Nm

—

Timing Chain Tensioner Bolt

Critical

Install with pin/clip to compress

18 lb-ft · 25 Nm

—

Timing Cover Bolts - 8mm

Critical

Tighten in sequence

18 lb-ft · 25 Nm

—

Valve Cover Bolts

Critical

14 lb-ft · 18 Nm

—

VVT Solenoid Bolt

7 lb-ft · 10 Nm

—

2002 PONTIAC FIREBIRD

20 fasteners