GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
1998
🢒
Lumina
🢒
Engine
🢒 Engine Mechanical - 3.8L
Engine
All Description and Operation
Engine Component Description
Lubrication Description
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
Crankshaft and Bearing Cleaning and Inspection
Crankshaft Balancer Cleaning and Inspection
Cylinder Head Cleaning and Inspection
Engine Block Cleaning and Inspection
Engine Flywheel Balancing
Engine Flywheel Cleaning and Inspection
Engine Front Cover Cleaning and Inspection
Engine Mount Inspection
Exhaust Manifold Cleaning and Inspection
Intake Manifold Cleaning and Inspection
Oil Pan Cleaning and Inspection
Oil Pump Cleaning and Inspection
Piston Selection
Piston, Connecting Rod, and Bearing Cleaning and Inspection
Service Prior to Assembly
Valve Lifter and Guide Cleaning and Inspection
Valve Rocker Arm and Push Rod Cleaning and Inspection
Valve Rocker Arm Cover Cleaning and Inspection
Water Pump Cleaning and Inspection
Diagnostic Procedures
Drive Belt Diagnosis
Drive Belt Tensioner Diagnosis
Engine Compression Test
Disassembly, Overhaul, Repair, and Assembly
Balance Shaft Installation
Balance Shaft Removal
Balancer Shaft Bearing Installation
Balancer Shaft Bearing Removal
Camshaft Bearing Installation
Camshaft Bearing Removal
Camshaft Installation
Camshaft Removal
Crankshaft and Bearing Installation
Crankshaft and Bearing Removal
Crankshaft Balancer Installation
Crankshaft Balancer Removal
Crankshaft Front Oil Seal Installation
Crankshaft Front Oil Seal Removal
Crankshaft Rear Oil Seal and Housing Installation
Crankshaft Rear Oil Seal and Housing Removal
Crankshaft Rear Oil Seal Installation
Crankshaft Rear Oil Seal Removal
Cylinder Boring and Honing
Cylinder Head Assemble
Cylinder Head Disassemble
Cylinder Head Installation
Cylinder Head Removal
Draining Fluids and Oil Filter Removal
Drive Belt Tensioner Bracket Installation
Drive Belt Tensioner Removal
Engine Block Plug Installation
Engine Block Plug 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 Level Indicator and Tube Installation
Oil Level Indicator and Tube Removal
Oil Pan Installation
Oil Pan Removal
Oil Pump Cover and Gear Set Installation
Oil Pump Cover and Gear Set Removal
Oil Pump Suction Pipe and Screen Assembly Installation
Oil Pump Suction Pipe and Screen Assembly Removal
Piston and Connecting Rod Assemble
Piston and Connecting Rod Disassemble
Piston, Connecting Rod, and Bearing Installation
Piston, Connecting Rod, and Bearing 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 Outlet Installation
Water Outlet Removal
Water Pump Installation
Water Pump Removal
General Diagnostic Information
Base Engine Misfire Diagnosis
Cylinder Leakage Test
Engine Noise Diagnosis
Oil Consumption Diagnosis
Oil Leak Diagnosis
Oil Pressure Diagnosis and Testing
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
Adhesives, Fluids, Lubricants, and Sealers
GM SPO Group Numbers
Removal, Installation, and Replacement
Camshaft Timing Chain and Sprocket Replacement
Connecting Rod Bearing Replacement
Crankshaft Balancer Replacement
Crankshaft Front Oil Seal Replacement
Crankshaft Rear Oil Seal and Housing 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 Oil and Oil Filter Replacement
Engine Replacement
Engine Support Fixture
Exhaust Crossover 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 Cover and Gear Set 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