Back to 2004 Lexus SC 430

2004 LEXUS SC 430

4.3L V8•RWD•AUTOMATIC•gas

Repairs0 Labor502 Torque3847 Fluid7 DTC751 Battery0 Maintenance0 Recalls0

engine

Cylinder Head R&R Torque Specs

for 2004 Lexus SC 430 4.3L V8 · RWD

Units

19 fasteners

Seq

Component

Torque

Angle

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Camshaft Bearing Cap Bolts

Critical

Tighten in sequence, 3 passes

10 lb-ft · 14 Nm

—

—

Camshaft Cap Bolts

Critical

Tighten in sequence from center outward, multiple passes

10 lb-ft · 14 Nm

—

—

Camshaft Sprocket Bolt

Critical

Hold cam with wrench on hex

59 lb-ft · 80 Nm

—

—

Cover Bolts

12 lb-ft · 16 Nm

—

—

Cylinder Head Bolts

Critical

TTY - tighten in sequence plus angle

48 lb-ft · 65 Nm

—

—

Exhaust Manifold Nuts

Critical

Apply anti-seize, work hot-to-cold

22 lb-ft · 30 Nm

—

—

Gasket Bolts

Critical

15 lb-ft · 20 Nm

—

—

Intake Manifold Bolts

Critical

18 lb-ft · 25 Nm

—

—

Mounting Bolts

Critical

35 lb-ft · 47 Nm

—

—

Mounting Bolts

20 lb-ft · 27 Nm

—

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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

—

—

Rocker Arm Shaft Bolts

Critical

Tighten evenly in sequence

18 lb-ft · 25 Nm

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—

Sensor Bolts

8 lb-ft · 11 Nm

—

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Thermostat Housing Bolts

11 lb-ft · 15 Nm

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Timing Chain Guide Bolts

Critical

Replace if worn

9 lb-ft · 12 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

Tighten in sequence

7 lb-ft · 10 Nm

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