1991-1996 Buick Roadmaster Coolant Flush Torque Specs

5.7L V8

Applies to 1991, 1992, 1993, 1994, 1995, and 1996 Buick Roadmaster

Labor Time:1 hours

🔧 Torque Values6 specifications

Component	lb-ft	Nm	Notes
Bleed Screw	6	8	Open during fill
Coolant Hose Clamps	4	5	—
Drain Petcock	6	8	Hand tight
Hose Clamps	4	5	—
⚠️ Housing Bolts	14	18	—
⚠️ Pump Bolts	24	33	—

⚠️ = 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 coolant flush on a 1991-1996 Buick Roadmaster is 8 Nm (6 lb-ft). Note: Open during fill

There are 6 torque specifications for coolant flush on the 1991-1996 Buick Roadmaster 5.7L V8, covering all related fasteners and components.