Back to 1991 Pontiac Bonneville

1991 PONTIAC BONNEVILLE

3.8L V6•FWD•AUTOMATIC•gas

2 active safety recalls on this vehicle — view recalls

Repairs0 Labor571 Torque4839 Fluid6 DTC0 Battery0 Maintenance0 Recalls2

engine

Main Bearings Torque Specs

for 1991 Pontiac Bonneville 3.8L V6 · FWD

Units

8 fasteners

Seq

Component

Torque

Angle

—

Cover Bolts

14 lb-ft · 19 Nm

—

—

Electrical Connector Bolts

6 lb-ft · 8 Nm

—

—

Gasket Bolts

Critical

17 lb-ft · 23 Nm

—

—

Gasket Surface Bolts

Critical

Clean mating surfaces

17 lb-ft · 23 Nm

—

—

Main Cap Bolts

Critical

1) 30 lb-ft. 2) +110 degrees.

30 lb-ft · 41 Nm

110°

—

Mounting Bolts

Critical

40 lb-ft · 54 Nm

—

—

Sensor Bolts

9 lb-ft · 12 Nm

—

—

Sensor Mounting Bolts

9 lb-ft · 12 Nm

—

Building an app?

Free API access to all this data — 50 requests/day, no card required.

Get an API key →

Run a shop?

Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.

Try ShopBase →