GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
1999
🢒
LeSabre
🢒
Engine
🢒
Engine Controls - 3.8L
🢒 Engine Overhaul
To overhaul the engine, follow the sequence below.
Draining Fluids and Oil Filter Removal
Engine Flywheel Removal
Drive Belt Tensioner Removal
Drive Belt Tensioner Bracket Removal
Drive Belt Idler Pulley Bracket Removal
Oil Level Indicator and Tube Removal
Water Outlet Removal
Water Outlet Removal
Water Pump Removal
Supercharger Removal
Intake Manifold Removal
Intake Manifold Removal
Intake Manifold Removal
Exhaust Crossover Removal
Exhaust Manifold Removal
Exhaust Manifold Removal
Valve Rocker Arm Cover Removal
Valve Rocker Arm Cover Removal
Valve Rocker Arm and Push Rod Removal
Cylinder Head Removal
Valve Lifter Removal
Crankshaft Balancer Removal
Crankshaft Front Oil Seal Removal
Engine Front Cover Removal
Oil Filter Adapter Removal
Oil Pump Cover and Gear Set Removal
Timing Chain and Sprockets Removal
Timing Chain and Sprockets Removal
Camshaft Removal
Balance Shaft Removal
Crankshaft Rear Oil Seal Removal
Crankshaft Rear Oil Seal and Housing Removal
Oil Pan Removal
Oil Pump Suction Pipe and Screen Assembly Removal
Piston, Connecting Rod, and Bearing Removal
Crankshaft and Bearing Removal
Engine Block Plug Removal
Engine Block Cleaning and Inspection
Cylinder Boring and Honing
Crankshaft and Bearing Cleaning and Inspection
Crankshaft Balancer Cleaning and Inspection
Engine Flywheel Cleaning and Inspection
Piston and Connecting Rod Disassemble
Piston, Connecting Rod, and Bearing Cleaning and Inspection
Piston Selection
Piston and Connecting Rod Assemble
Camshaft Bearing Removal
Camshaft and Bearings Cleaning and Inspection
Camshaft Bearing Installation
Camshaft Timing Chain and Sprocket Cleaning and Inspection
Camshaft Timing Chain and Sprocket Cleaning and Inspection
Valve Rocker Arm and Push Rod Cleaning and Inspection
Valve Lifters and Guides Cleaning and Inspection
Cylinder Head Disassemble
Cylinder Head Cleaning and Inspection
Valve Guide Reaming, and Valve and Seat Grinding
Cylinder Head Assemble
Oil Pump Cleaning and Inspection
Valve Rocker Arm Cover Cleaning and Inspection
Oil Pan Cleaning and Inspection
Intake Manifold Cleaning and Inspection
Intake Manifold Cleaning and Inspection
Intake Manifold Cleaning and Inspection
Exhaust Manifold Cleaning and Inspection
Water Pump Cleaning and Inspection
Engine Front Cover Cleaning and Inspection
Balance Shaft Cleaning and Inspection
Balance Shaft Bearing and/or Bushing Removal
Balance Shaft Bearing and/or Bushing Installation
Service Prior to Assembly
Engine Block Plug Installation
Crankshaft and Bearing Installation
Piston, Connecting Rod, and Bearing Installation
Oil Pump Suction Pipe and Screen Assembly Installation
Oil Pan Installation
Camshaft Installation
Balance Shaft Installation
Crankshaft Rear Oil Seal and Housing Installation
Crankshaft Rear Oil Seal Installation
Timing Chain and Sprockets Installation
Timing Chain and Sprockets Installation
Oil Pump Cover and Gear Set Installation
Oil Filter Adapter Installation
Engine Front Cover Installation
Crankshaft Front Oil Seal Installation
Crankshaft Balancer Installation
Valve Lifter Installation
Cylinder Head Installation
Valve Rocker Arm and Push Rod Installation
Valve Rocker Arm Cover Installation
Valve Rocker Arm Cover Installation
Exhaust Manifold Installation
Exhaust Manifold Installation
Exhaust Crossover Installation
Intake Manifold Installation
Intake Manifold Installation
Intake Manifold Installation
Supercharger Installation
Water Pump Installation
Water Outlet Installation
Water Outlet Installation
Oil Level Indicator and Tube Installation
Drive Belt Idler Pulley Bracket Installation
Drive Belt Tensioner Bracket Installation
Drive Belt Tensioner Installation
Engine Flywheel Installation