1998-2000 GMC Envoy Fuel Pump Torque Specs

4.3L V6 Vortec

Applies to 1998, 1999, and 2000 GMC Envoy

Labor Time:2 hours

Torque Values (9 specifications)

Component	Nm	lb-ft	Notes
Access Cover Screws	4	3	—
Filter Bracket	12	9	—
Fuel Line Quick Connect	—	—	Push until click
⚠️ Fuel Pump Lock Ring	68	50	Use lock ring tool
⚠️ Fuel Rail Bolts	23	17	—
⚠️ Line Fittings	31	23	Use new O-rings
Mounting Bolts	27	20	—
Pressure Regulator Screws	8	6	—
⚠️ Pump Mounting	16	12	—

The primary torque specification for fuel pump on a 1998-2000 GMC Envoy is 4 Nm (3 lb-ft).

There are 9 torque specifications for fuel pump on the 1998-2000 GMC Envoy 4.3L V6 Vortec, covering all related fasteners and components.