GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2000
🢒
Montana
🢒
Engine
🢒
Engine Mechanical - 3.4L
🢒 Engine Overhaul
To overhaul the engine, follow the sequence below.
Draining Fluids and Oil Filter Removal
Crankshaft Balancer Removal
Engine Flywheel Removal
Drive Belt Tensioner Removal
Generator and Engine Lift Front Bracket Removal
Engine Mount Strut and Engine Lift Bracket Removal
Engine Mount Strut and Air Conditioning Compressor Bracket Removal
Oil Level Indicator and Tube Removal
Oil Filter Adapter Removal
Valve Rocker Arm Cover Removal
Intake Manifold Removal
Water Outlet Removal
Exhaust Crossover Removal
Exhaust Manifold Removal
Valve Rocker Arm and Push Rod Removal
Valve Lifter Removal
Water Pump Removal
Oil Pan Removal
Oil Pump Removal
Oil Pump Drive Removal
Crankshaft Front Oil Seal Removal
Engine Front Cover Removal
Timing Chain and Sprockets Removal
Cylinder Head Removal
Camshaft Removal
Piston, Connecting Rod, and Bearing Removal
Crankshaft Rear Oil Seal Removal
Crankshaft and Bearing Removal
Engine Block Disassemble
Engine Block Cleaning and Inspection
Cylinder Boring and Honing
Engine Block Assemble
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
Valve Lifters Cleaning and Inspection
Valve Rocker Arm and Push Rod Cleaning and Inspection
Cylinder Head Disassemble
Cylinder Head Cleaning and Inspection
Valve Guide Reaming, and Valve and Seat Grinding
Cylinder Head Assemble
Oil Pump Disassemble
Oil Pump Cleaning and Inspection
Oil Pump Assemble
Engine Front Cover Cleaning and Inspection
Valve Rocker Arm Cover Cleaning and Inspection
Oil Pan Cleaning and Inspection
Intake Manifold Cleaning and Inspection
Exhaust Manifold Cleaning and Inspection
Water Pump Cleaning and Inspection
Thread Repair
Service Prior to Assembly
Crankshaft and Bearing Installation
Crankshaft Rear Oil Seal Installation
Piston, Connecting Rod, and Bearing Installation
Camshaft Installation
Timing Chain and Sprockets Installation
Engine Front Cover Installation
Crankshaft Front Oil Seal Installation
Oil Pump Drive Installation
Oil Pump Installation
Oil Pan Installation
Cylinder Head Installation
Water Pump Installation
Valve Lifter Installation
Valve Rocker Arm and Push Rod Installation
Exhaust Manifold Installation
Exhaust Crossover Installation
Intake Manifold Installation
Valve Rocker Arm Cover Installation
Water Outlet Installation
Oil Filter Adapter Installation
Oil Level Indicator and Tube Installation
Generator and Engine Lift Front Bracket Installation
Engine Mount Strut and Engine Lift Bracket Installation
Engine Mount Strut and Air Conditioning Compressor Bracket Installation
Drive Belt Tensioner Installation
Engine Flywheel Installation
Crankshaft Balancer Installation