GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2001
🢒
Century
🢒
Engine
🢒 Engine Mechanical - 3.1L
Engine
All Description and Operation
Crankcase Ventilation System Description
Drive Belt System Description
All Special Tools and Equipment
Special Tools
Cleaning, Inspection, and Adjustment
Engine Mount Inspection
Diagnostic Procedures
Base Engine Misfire with Abnormal Internal Lower Engine Noises
Base Engine Misfire with Abnormal Valve Train Noise
Base Engine Misfire with Coolant Consumption
Base Engine Misfire with Excessive Oil Consumption
Base Engine Misfire without Internal Engine Noises
Crankcase Ventilation System Inspection/Diagnosis
Diagnostic Starting Point - Engine Mechanical
Drive Belt Tensioner Diagnosis
Engine Compression Test
Engine Noise on Start-Up, but Only Lasting a Few Seconds
Engine Noise Under Load
Engine Will Not Crank - Crankshaft Will Not Rotate
Lower Engine Noise, Regardless of Engine Speed
Symptoms - Engine Mechanical
Upper Engine Noise, Regardless of Engine Speed
General Diagnostic Information
Cylinder Leakage Test
Drive Belt Chirping Diagnosis
Drive Belt Excessive Wear Diagnosis
Drive Belt Falls Off Diagnosis
Drive Belt Rumbling Diagnosis
Drive Belt Squeal Diagnosis
Drive Belt Vibration Diagnosis
Drive Belt Whine Diagnosis
Oil Consumption Diagnosis
Oil Leak Diagnosis
Oil Pressure Diagnosis and Testing
General Information
Tools and Equipment
Mechanical Specifications
Engine Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
Adhesives, Fluids, Lubricants, and Sealers
Removal, Installation, and Replacement
Camshaft Rear Bearing Hole Plug Replacement
Camshaft Timing Chain and Sprocket Replacement
Crankshaft Balancer Replacement
Crankshaft Front Oil Seal Replacement
Crankshaft Rear Oil Seal Replacement
Cylinder Head Replacement - Left Side
Cylinder Head Replacement - Right Side
Drive Belt Replacement
Drive Belt Tensioner Replacement
Engine Flywheel Replacement
Engine Front Cover Replacement
Engine Mount Bracket Replacement
Engine Mount Replacement
Engine Mount Strut Bracket Replacement - Left Side
Engine Mount Strut Bracket Replacement - Right Side
Engine Mount Strut Bracket Replacement - Upper Radiator Support
Engine Mount Strut Replacement
Engine Oil and Oil Filter Replacement
Engine Replacement
Engine Support Fixture
Lower Intake Manifold Replacement
Oil Level Indicator Tube Replacement
Oil Pan Replacement
Oil Pump Drive Replacement
Oil Pump Replacement
Positive Crankcase Ventilation Valve Replacement
Rotating the Engine for Service Access
Upper Intake Manifold Replacement
Valve Lifter Replacement
Valve Rocker Arm and Push Rod Replacement
Valve Rocker Arm Cover Replacement - Left Side
Valve Rocker Arm Cover Replacement - Right Side
Valve Stem Oil Seal and Valve Spring Replacement