1995-1999 Buick Riviera Radiator Torque Specs

3.8L V6

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

Labor Time:2 hours

Torque Values (15 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	12	9	—
Drain Petcock	8	6	Hand tight
Fan Bolts	12	9	—
Fan Shroud Bolts	8	6	—
Hose Clamps	5	3	—
Hose Clamps	4	3	Do not overtighten
⚠️ Housing Bolts	16	12	—
Lower Hose Clamp	4	3	—
Mounting Bolts	31	23	—
⚠️ Pump Bolts	28	21	—
⚠️ Pump Bolts	28	21	Torque in sequence
Radiator Mount Bolts	15	11	—
⚠️ Thermostat Housing Bolts	16	12	—
⚠️ Transmission Cooler Lines	30	22	Use new O-rings
Upper Hose Clamp	4	3	—

The primary torque specification for radiator on a 1995-1999 Buick Riviera is 12 Nm (9 lb-ft).

There are 15 torque specifications for radiator on the 1995-1999 Buick Riviera 3.8L V6, covering all related fasteners and components.