Engine R&R Torque Specifications

2002-2009 Chevrolet TrailBlazer 4.2L I6 Vortec

Labor Time:10 hours

Torque Values (45 specifications)

Component	Nm	lb-ft	Notes
⚠️ AC Compressor Bolts	25	18	—
AC Compressor Bolts	25	18	—
AC Compressor Bolts	25	18	—
Alternator Mounting Bolts	50	37	—
⚠️ Alternator Mounting Bolts	50	37	—
Alternator Mounting Bolts	50	37	—
Cover Bolts	16	12	—
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-Block Bolts	65	48	—
Engine Mount-to-Frame Bolts	75	55	—
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
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
⚠️ Flywheel Bolts	95	70	Often TTY, tighten in star pattern
⚠️ Gasket Bolts	20	15	—
Gasket Bolts	20	15	—
Gasket Bolts	20	15	—
⚠️ Mounting Bolts	47	35	—
Mounting Bolts	47	35	—
Mounting Bolts	27	20	—
Mounting Bolts	27	20	—
Mounting Bolts	47	35	—
Mounting Bolts	27	20	—
⚠️ Oil Drain Plug	35	26	Use new crush washer
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	—
Power Steering Pump Bolts	25	18	—
Sensor Bolts	11	8	—
Sensor Bolts	11	8	—
Sensor Bolts	11	8	—
Starter Mounting Bolts	50	37	—
Starter Mounting Bolts	50	37	—
⚠️ Starter Mounting Bolts	50	37	—
⚠️ Transmission-to-Engine Bolts	55	41	—
Transmission-to-Engine Bolts	55	41	—
Transmission-to-Engine Bolts	55	41	—

Other Jobs with Torque Specs

Common Questions

What is the torque spec for engine r&r on a 2002-2009 Chevrolet TrailBlazer?

The primary torque specification for engine r&r on a 2002-2009 Chevrolet TrailBlazer is 25 Nm (18 lb-ft).

How many torque specs are there for Chevrolet TrailBlazer engine r&r?

There are 45 torque specifications for engine r&r on the 2002-2009 Chevrolet TrailBlazer 4.2L I6 Vortec, covering all related fasteners and components.