1998-2000 GMC Envoy Spark Plug Service Torque Specs

4.3L V6 Vortec

Applies to 1998, 1999, and 2000 GMC Envoy

Labor Time:1 hours

🔧 Torque Values8 specifications

Component	lb-ft	Nm	Notes
Bracket Bolts	17	23	—
Connector Bolts	6	8	—
Cover Screws	9	12	—
Engine Cover Clips	2	3	—
Ignition Coil Bolt	8	11	—
Mounting Bolts	23	31	—
Sensor Bolts	9	12	—
⚠️ Spark Plug	15	20	Gap before install

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

1990-1997 4.6L V8 Modular

2007-2012 3.7L I5

2011-2016 6.7L V8 Power Stroke Diesel

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

1995-1999 2.0L Turbo I4

The primary torque specification for spark plug service on a 1998-2000 GMC Envoy is 23 Nm (17 lb-ft).

There are 8 torque specifications for spark plug service on the 1998-2000 GMC Envoy 4.3L V6 Vortec, covering all related fasteners and components.