1998-2000 GMC Envoy EVAP Vent Valve Torque Specs

4.3L V6 Vortec

Applies to 1998, 1999, and 2000 GMC Envoy

Labor Time:0.8 hours

🔧 Torque Values8 specifications

Component	lb-ft	Nm	Notes
Bracket Bolts	15	20	—
Cover Screws	8	11	—
Filter Bracket	9	12	—
⚠️ Fuel Rail Bolts	17	23	—
⚠️ Line Fittings	23	31	Use new O-rings
Mounting Bolts	20	27	—
Pressure Regulator Screws	6	8	—
⚠️ Pump Mounting	12	16	—

⚠️ = 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

2022-2024 GT-Line Dual Motor AWD

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

The primary torque specification for evap vent valve on a 1998-2000 GMC Envoy is 20 Nm (15 lb-ft).

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