Piston - Single Torque Specifications

2003-2024 Chevrolet Express 4.3L V6

Labor Time:21.6 hours

Torque Values (18 specifications)

Component	Nm	lb-ft	Notes
Connecting Rod Bolts	45	33	TTY - critical torque plus angle
⚠️ Connecting Rod Bolts	45	33	TTY - critical torque plus angle
Cover Bolts	16	12	—
Cover Bolts	16	12	—
Cylinder Head Bolts	65	48	TTY - tighten in sequence plus angle
⚠️ Cylinder Head Bolts	65	48	TTY - tighten in sequence plus angle
Gasket Bolts	20	15	—
⚠️ Gasket Bolts	20	15	—
⚠️ Mounting Bolts	47	35	—
Mounting Bolts	47	35	—
Mounting Bolts	27	20	—
Mounting Bolts	27	20	—
⚠️ Oil Drain Plug	35	26	Use new crush washer
Oil Drain Plug	35	26	Use new crush washer
Oil Pan Bolts	12	9	—
⚠️ Oil Pan Bolts	12	9	—
Sensor Bolts	11	8	—
Sensor Bolts	11	8	—

The primary torque specification for piston - single on a 2003-2024 Chevrolet Express is 45 Nm (33 lb-ft). Note: TTY - critical torque plus angle

There are 18 torque specifications for piston - single on the 2003-2024 Chevrolet Express 4.3L V6, covering all related fasteners and components.