GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
1997
🢒
LeSabre
🢒
Engine
🢒 Engine Mechanical - 3.8L
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
Balance Shaft Cleaning and Inspection
Camshaft and Bearings Cleaning and Inspection
Camshaft Timing Chain and Sprocket Cleaning and Inspection
Cylinder Head Cleaning and Inspection
Engine Block Cleaning and Inspection
Engine Mount Inspection
Oil Pump Cleaning and Inspection
Piston and Connecting Rod Inspection
Piston Selection
Service Prior to Assembly
Valve Train Components Cleaning and Inspection
Diagnostic Procedures
Engine Compression Test
Disassembly, Overhaul, Repair, and Assembly
Balance Shaft Installation
Balance Shaft Removal
Camshaft Bearing Installation
Camshaft Bearing Removal
Camshaft Installation
Camshaft Removal
Connecting Rod Bearing Replacement
Coolant Outlet Housing and Thermostat Installation
Coolant Outlet Housing and Thermostat Removal
Crankshaft and Bearing Installation
Crankshaft and Bearing Removal
Crankshaft Balancer Installation
Crankshaft Balancer Removal
Crankshaft Front Cover Oil Seal Installation
Crankshaft Front Cover Oil Seal Removal
Crankshaft Rear Main Oil Seal Housing Installation
Crankshaft Rear Main Oil Seal Housing Removal
Crankshaft Rear Main Oil Seal Installation
Crankshaft Rear Main Oil Seal Removal
Cylinder Head Disassemble and Assemble
Cylinder Head Installation
Cylinder Head Removal
Drive Belt Idler Pulley Bracket Installation
Drive Belt Idler Pulley Bracket Removal
Drive Belt Tensioner Bracket Removal
Drive Belt Tensioner Installation
Drive Belt Tensioner Removal
Engine Flywheel Installation
Engine Flywheel Removal
Engine Front Cover Installation
Engine Front Cover Removal
Exhaust Crossover Installation
Exhaust Crossover Removal
Exhaust Manifold Installation
Exhaust Manifold Removal
Intake Manifold Installation
Intake Manifold Removal
Oil Filter Adapter Installation
Oil Filter Adapter Removal
Oil Level Indicator and Tube Installation
Oil Level Indicator and Tube Removal
Oil Pan Installation
Oil Pan Removal
Oil Pump Installation
Oil Pump Removal
Oil Pump Suction Pipe and Screen Assembly Installation
Oil Pump Suction Pipe and Screen Assembly Removal
Piston and Connecting Rod Disassemble and Assemble
Piston and Connecting Rod Replacement
Piston, Connecting Rod, and Bearing Installation
Piston, Connecting Rod, and Bearing Removal
Supercharger Installation
Supercharger Removal
Thread Repair
Timing Chain and Sprocket Installation
Timing Chain and Sprocket Removal
Valve Guide Reaming, and Valve and Seat Grinding
Valve Lifter Installation
Valve Lifter Removal
Valve Rocker Arm and Push Rod Removal
Valve Rocker Arm Cover Installation
Valve Rocker Arm Cover Removal
Water Pump Installation
Water Pump Removal
General Diagnostic Information
Base Engine Misfire Diagnosis
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
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
Accessory Drive Belts Replacement
Camshaft Timing Chain and Sprocket Replacement
Crankshaft Balancer Replacement
Crankshaft Front Cover Oil Seal Replacement
Crankshaft Rear Main Oil Seal Housing Replacement
Crankshaft Rear Main Oil Seal Replacement
Cylinder Head Replacement
Drive Belt Idler Pulley Bracket Replacement
Drive Belt Idler Pulley Replacement
Drive Belt Tensioner Bracket Replacement
Drive Belt Tensioner Replacement
Engine Flywheel Replacement
Engine Front Cover Replacement
Engine Mount Replacement
Engine Replacement
Exhaust Manifold Replacement
Fuel Injector Sight Shield Replacement
Intake Manifold Replacement
Oil Filter Adapter and Bypass Valve Assembly Replacement
Oil Level Indicator Tube Replacement
Oil Pan Replacement
Oil Pump Replacement
Oil Pump Suction Pipe and Screen Assembly Replacement
Valve Lifter Replacement
Valve Rocker Arm and Push Rod Installation
Valve Rocker Arm and Push Rod Replacement
Valve Rocker Arm Cover Replacement
Valve Stem Oil Seal and Valve Spring Replacement