Contents Wiring diagrams Section: Removal & Installation All sections

Torque Specifications Buick Century VI

ApplicationFt. Lbs. (N.m)
AIR Pump Mounting Bracket Nuts (3.8L - Impala & Monte Carlo37 (50)
Bypass Valve Actuator Bolts (3.8L - VIN 1)18 (25)
Crankshaft Balancer Bolt
3.1L & 3.4L76 (103)
3.8L(1) 111 (150)
Crankshaft Position Sensor Studs (3.8L)22 (30)
EGR Valve Bolts/Nuts22 (30)
EGR Valve Inlet Pipe (3.8L)18 (25)
Bolt22 (30)
Stud37 (50)
EGR Valve Outlet Pipe Bolt/Nut (3.8L)22 (30)
EGR Valve Pipe Bolt/Nut (3.1L & 3.4L)18 (25)
Engine Coolant Temperature Sensor15 (20)
Engine Mount Strut Bolt (3.1L & 3.8L)35 (47)
Fender Brace Bolt35 (47)
Fuel Filter Mounting Bracket Bolt15 (20)
Fuel Filter Outlet Pipe Fitting22 (30)
Fuel Rail Studs (3.8L - VIN 1)18 (25)
Fuel Return Pipe Nut At Pressure Regulator (3.1L & 3.4L)13 (17)
Fuel Tank Strap Bolts35 (47)
Generator Brace Bolt/Nut (3.8L - VIN 1)37 (50)
Heated Oxygen Sensor31 (42)
Heater Pipe-To-Throttle Body Nut18 (25)
Knock Sensor14 (19)
Spark Plug11 (15)
Supercharger Bolts (3.8L - VIN 1)17 (23)
Throttle Body Nuts/Bolts (3.1L & 3.4L)21 (28)
Throttle Body Support Bracket Nuts (3.8L)12 (16)
Wheel Lug Nuts100 (140)
INCH Lbs. (N.m)
AIR Pipe Nut (3.8L)89 (10.0)
AIR Pump Fasteners (3.8L)89 (10.0)
AIR Shut-Off Valve Bolt (3.8L)80 (9.0)
Camshaft Position Sensor
3.1L71 (8.0)
3.4L & 3.8L89 (10.0)
Communications Interface Module Bracket Nuts35 (4.0)
Crankshaft Position Sensor Bolt (3.1L & 3.4L)89 (10.0)
Sensor "A" (24X)89 (10.0)
Sensor "B" (7X)97 (11.0)
EGR Heat Shield Bolt/Nut (3.8L - VIN 1)89 (10.0)
Front Fender Liner (3.8L - Impala & Monte Carlo)
Stud Nut35 (4.0)
Screws18 (2.0)
To Rear Of Fender Bolt61 (7.0)
Fuel Filler Pipe-To-Under Body Screws
3.1L & 3.4L89 (10.0)
3.8L18 (2.0)
Fuel Filler Pipe Hose Clamp22 (2.5)
Fuel Pressure Regulator Screw (3.1L & 3.4L)76 (8.5)
Fuel Rail Retaining Bolt/Nut89 (10.0)
Fuel Sender Access Panel Nuts89 (10.0)
Idle Air Control Valve27 (3.0)
Ignition Coil Screws40 (4.5)
Intake Air Duct Clamp18 (2.0)
Manifold Absolute Pressure Sensor Screws
3.1L & 3.4L27 (3.0)
3.8L (VIN 1)44 (5.0)
MAF Sensor Screw (3.8L)27 (3.0)
PCM Connector Screws (3.1L)71 (8.0)
Throttle Body Nuts (3.8L)89 (10.0)
Throttle Position Sensor Screws18 (2.0)
(1) Tighten bolt an additional 76 degrees.
(1)Tighten bolt an additional 76 degrees.

TORQUE SPECIFICATIONS