Back to 2003 GMC Sierra 1500

2003 GMC SIERRA 1500

5.3L V8 Vortec•RWD•AUTOMATIC•gas

4 active safety recalls on this vehicle — view recalls

Repairs0 Labor596 Torque4691 Fluid7 DTC762 Battery0 Maintenance0 Recalls4

engine

Timing Chain Guide Torque Specs

for 2003 GMC Sierra 1500 5.3L V8 Vortec · RWD

Units

13 fasteners

Seq

Component

Torque

Angle

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Camshaft Sprocket Bolt

69 lb-ft · 93 Nm

—

—

Cover Bolts

15 lb-ft · 20 Nm

—

—

Crankshaft Pulley Bolt

163 lb-ft · 220 Nm

—

—

Electrical Connector Bolts

6 lb-ft · 8 Nm

—

—

Gasket Surface Bolts

Clean mating surfaces

19 lb-ft · 26 Nm

—

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Guide Bolts

23 lb-ft · 31 Nm

—

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Mounting Bolts

44 lb-ft · 60 Nm

—

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Sensor Mounting Bolts

10 lb-ft · 14 Nm

—

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Tensioner Bolt

19 lb-ft · 25 Nm

—

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Timing Chain Guide Bolts

Replace if worn

9 lb-ft · 12 Nm

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—

Timing Cover Bolts

13 lb-ft · 17 Nm

—

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Timing Cover Bolts - 8mm

Tighten in sequence

18 lb-ft · 25 Nm

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Valve Cover Bolts

Tighten in sequence

7 lb-ft · 10 Nm

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