GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
1999
🢒
Astro - 2WD
🢒
Engine
🢒
Engine Mechanical - 4.3L
🢒 Engine Overhaul
In order to overhaul, follow the sequence below.
Draining Fluids and Oil Filter Removal
Engine Flywheel Removal
Exhaust Manifold Removal (Left)
Exhaust Manifold Removal (Right)
Oil Level Indicator and Tube Removal
Water Pump Removal
Crankshaft Balancer Removal
Valve Rocker Arm Cover Removal
Valve Rocker Arm Cover Removal
Distributor Removal
Intake Manifold Removal
Valve Rocker Arm and Push Rod Removal
Cylinder Head Removal
Cylinder Head Removal
Valve Lifter Removal
Oil Filter Adapter Removal
Oil Pan Removal
Oil Pump Removal
Engine Front Cover Removal
Timing Chain and Sprockets Removal
Balance Shaft Removal
Camshaft Removal
Piston, Connecting Rod, and Bearing Removal
Crankshaft Rear Oil Seal and Housing Removal
Crankshaft and Bearings Removal
Engine Block Plug Removal
Engine Block Cleaning and Inspection
Cylinder Boring and Honing
Piston and Connecting Rod Disassemble
Piston, Connecting Rod, and Bearing Cleaning and Inspection
Piston Selection
Piston and Connecting Rod Assemble
Crankshaft and Bearing Cleaning and Inspection
Crankshaft Balancer Clean and Inspect
Engine Flywheel Clean and Inspect
Camshaft and Bearings Clean and Inspect
Camshaft Bearing Removal
Camshaft Bearing Installation
Balance Shaft Bearing and/or Bushing Removal
Balance Shaft Clean and Inspect
Balance Shaft Bearing and/or Bushing Installation
Camshaft Timing Chain and Sprocket Cleaning and Inspection
Valve Rocker Arm and Push Rod Cleaning and Inspection
Valve Lifters and Guides Clean and Inspect
Cylinder Head Disassemble
Cylinder Head Cleaning and Inspection
Valve Guide Reaming, and Valve and Seat Grinding
Cylinder Head Assemble
Oil Pump Disassemble
Oil Pump Clean and Inspect
Oil Pump Assemble
Valve Rocker Arm Cover Clean and Inspect
Oil Pan Clean and Inspect
Intake Manifold Disassemble
Intake Manifold Clean and Inspect
Intake Manifold Assemble
Exhaust Manifold Cleaning and Inspection
Water Pump Clean and Inspect
Thread Repair
Service Prior to Assembly
Engine Block Plug Installation
Crankshaft and Bearings Installation
Crankshaft Rear Oil Seal and Housing Installation
Piston, Connecting Rod, and Bearing Installation
Camshaft Installation
Balance Shaft Installation
Timing Chain and Sprockets Installation
Engine Front Cover Installation
Oil Pump Installation
Oil Pan Installation
Oil Filter Adapter Installation
Crankshaft Balancer Installation
Valve Lifter Installation
Cylinder Head Installation
Cylinder Head Installation
Valve Rocker Arm and Push Rod Installation
Intake Manifold Installation
Distributor Installation
Valve Rocker Arm Cover Installation
Valve Rocker Arm Cover Installation
Oil Level Indicator and Tube Installation
Water Pump Installation
Exhaust Manifold Installation (Left)
Exhaust Manifold Installation (Right)
Engine Flywheel Installation
Engine Set-Up and Testing