GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
1997
🢒
Century
🢒
Engine
🢒 Engine Mechanical - 3.1L and 3.4L
Engine
All Description and Operation
Engine Component Description
Lubrication
All Special Tools and Equipment
Special Tools
All Visual Identification
Disassembled Views
Cleaning, Inspection, and Adjustment
Camshaft and Bearings Cleaning and Inspection
Camshaft Timing Chain and Sprocket Cleaning and Inspection
Crankshaft Cleaning and Inspection
Cylinder Head Cleaning and Inspection
Engine Block Cleaning and Inspection
Engine Front Cover Cleaning and Inspection
Engine Mount Inspection
Flywheel Balancing
Intake Manifold Cleaning and Inspection
Lower Intake Manifold Cleaning and Inspection
Main Bearing and Rod Bearing Selection
Oil Pan Cleaning and Inspection
Oil Pump Cleaning and Inspection
Piston and Connecting Rod Inspection
Service Prior to Assembly
Valve Rocker Arm Cover Cleaning and Inspection
Valve Train Components Cleaning and Inspection
Diagnostic Procedures
Accessory Drive Tensioner Diagnosis
Drive Belt Diagnosis
Engine Compression Test
Disassembly, Overhaul, Repair, and Assembly
Camshaft Bearing Installation
Camshaft Bearing Removal
Camshaft Installation
Camshaft Removal
Connecting Rod Bearing Replacement
Crankshaft and Bearing Installation
Crankshaft Balancer Installation
Crankshaft Balancer Removal
Crankshaft Rear Oil Seal Installation
Crankshaft Rear Oil Seal Removal
Crankshaft Removal
Cylinder Head Assemble
Cylinder Head Disassemble
Cylinder Head Installation
Cylinder Head Removal
Draining Fluids and Oil Filter Removal
Engine Block Assemble
Engine Block Disassemble
Engine Flywheel Installation
Engine Flywheel Removal
Engine Front Cover Assemble
Engine Front Cover Disassemble
Engine Front Cover Installation
Engine Front Cover Removal
Exhaust Manifold Installation
Exhaust Manifold Removal
Lower Intake Manifold Assemble
Lower Intake Manifold Disassemble
Lower Intake Manifold Installation
Lower Intake Manifold Removal
Oil Pan Installation
Oil Pan Removal
Oil Pump Assemble
Oil Pump Disassemble
Oil Pump Installation
Oil Pump Removal
Piston and Connecting Rod Assemble
Piston and Connecting Rod Disassemble
Piston and Connecting Rod Installation
Piston, Connecting Rod, and Bearing Removal
Thread Repair
Timing Chain and Sprocket Installation
Timing Chain and Sprocket Removal
Upper Intake Manifold Installation
Upper Intake Manifold Removal
Valve Guide Reaming, and Valve and Seat Grinding
Valve Lifter Installation
Valve Lifter Removal
Valve Rocker Arm and Push Rod Installation
Valve Rocker Arm and Push Rod Removal
Valve Rocker Arm Cover Installation
Valve Rocker Arm Cover Removal
General Diagnostic Information
Base Engine Misfire Diagnosis
Cylinder Leakage Test
Engine Has Light Knock Hot in Light Load Condition
Engine Noise Diagnosis
Excessive Oil Loss
Heavy Knock Hot with Torque Applied
Knocks at Idle Hot
Knocks Cold and Continues for 2 to 3 Minutes
Knocks on Start-Up but Only Lasts a Few Seconds
Low or No Oil Pressure
Oil Leak Diagnosis
Oil Pressure Testing
Valve Lifter Noise Diagnosis
Valve Train Diagnosis
General Information
Cleanliness and Care
Installation Precautions
Replacing Engine Gaskets
Separating Parts
Service Precautions
Tools and Equipment
Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
Mechanical Specifications
Engine Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
GM SPO Group Numbers
Removal, Installation, and Replacement
Camshaft Rear Bearing Hole Plug Replacement
Camshaft Timing Chain and Sprocket Replacement
Connecting Rod, Bearing and Piston Replacement
Crankshaft Balancer Replacement
Crankshaft Front Cover Oil Seal Replacement
Crankshaft Oil Deflector Replacement
Crankshaft Rear Oil Seal Replacement
Cylinder Head Replacement
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
Engine Mount Strut Replacement
Engine Replacement
Exhaust Crossover Replacement
Exhaust Manifold Replacement
Lower Intake Manifold Replacement
Oil Level Indicator Tube Replacement
Oil Pan Replacement
Oil Pump Drive Replacement
Oil Pump 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
Valve Stem Oil Seal and Valve Spring Replacement