engine

Flexplate Torque Specs

for 2003 Chevrolet Astro 4.3L V6 Vortec · RWD

Units

10 fasteners

Seq

Component

Torque

Angle

—

Cover Bolts

14 lb-ft · 19 Nm

—

Electrical Connector Bolts

6 lb-ft · 8 Nm

—

Flexplate Bolts

Critical

Automatic transmissions | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

63 lb-ft · 85 Nm

—

Gasket Bolts

Critical

15 lb-ft · 20 Nm

—

Gasket Surface Bolts

Critical

Clean mating surfaces

17 lb-ft · 23 Nm

—

Mounting Bolts

Critical

40 lb-ft · 54 Nm

—

Sensor Bolts

8 lb-ft · 11 Nm

—

Sensor Mounting Bolts

9 lb-ft · 12 Nm

—

Torque Converter Bolts

Critical

⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

37 lb-ft · 50 Nm

—

Transmission-to-Engine Bolts

Critical

⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL

41 lb-ft · 55 Nm

—

2003 CHEVROLET ASTRO

10 fasteners