1995-1999 Buick Riviera Coolant Flush Torque Specs

3.8L V6

Applies to 1995, 1996, 1997, 1998, and 1999 Buick Riviera

Labor Time:1 hours

🔧 Torque Values7 specifications

Component	lb-ft	Nm	Notes
Bleed Screw	6	8	Open during fill
Coolant Hose Clamps	3	4	—
Drain Petcock	6	8	Hand tight
Hose Clamps	3	5	—
⚠️ Housing Bolts	12	16	—
⚠️ Pump Bolts	21	28	—
Radiator Cap	1	1	Hand tight

⚠️ = 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 1995-1999 Buick Riviera is 8 Nm (6 lb-ft). Note: Open during fill

There are 7 torque specifications for coolant flush on the 1995-1999 Buick Riviera 3.8L V6, covering all related fasteners and components.