Engine R&R Torque Specifications

2003-2024 Chevrolet Express 4.3L V6

Labor Time:12 hours

Torque Values (30 specifications)

Component	Nm	lb-ft	Notes
AC Compressor Bolts	25	18	—
⚠️ AC Compressor Bolts	25	18	—
Alternator Mounting Bolts	50	37	—
⚠️ Alternator Mounting Bolts	50	37	—
Cover Bolts	16	12	—
Cover Bolts	16	12	—
Engine Mount-to-Block Bolts	65	48	—
⚠️ Engine Mount-to-Block Bolts	65	48	—
⚠️ Engine Mount-to-Frame Bolts	75	55	—
Engine Mount-to-Frame Bolts	75	55	—
⚠️ Exhaust Manifold Nuts	30	22	Apply anti-seize, work hot-to-cold
Exhaust Manifold Nuts	30	22	Apply anti-seize, work hot-to-cold
Flywheel Bolts	95	70	Often TTY, tighten in star pattern
⚠️ Flywheel Bolts	95	70	Often TTY, tighten in star pattern
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
⚠️ Power Steering Pump Bolts	25	18	—
Power Steering Pump Bolts	25	18	—
Sensor Bolts	11	8	—
Sensor Bolts	11	8	—
Starter Mounting Bolts	50	37	—
⚠️ Starter Mounting Bolts	50	37	—
⚠️ Transmission-to-Engine Bolts	55	41	—
Transmission-to-Engine Bolts	55	41	—

The primary torque specification for engine r&r on a 2003-2024 Chevrolet Express is 25 Nm (18 lb-ft).

There are 30 torque specifications for engine r&r on the 2003-2024 Chevrolet Express 4.3L V6, covering all related fasteners and components.