GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2005
🢒
TopKick C-Series Motorhome (Cutaway) C4/C5
🢒
Engine
🢒 Engine Mechanical - 8.1L
Engine
All Description and Operation
Crankcase Ventilation System Description
Drive Belt System Description
Engine Component Description
Lubrication Description
New Product Information
All Special Tools and Equipment
Special Tools
All Visual Identification
Disassembled Views
Engine Identification
Cleaning, Inspection, and Adjustment
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 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
Oil Pump Drive Cleaning and Inspection
Piston, Connecting Rod, and Bearing Cleaning and Inspection
Valve Lifter and Guide Cleaning and Inspection
Valve Rocker Arm and Push Rod Cleaning and Inspection
Valve Rocker Arm Cover Cleaning and Inspection
Water Crossover Cleaning and Inspection
Water Pump Cleaning and Inspection
Diagnostic Procedures
Base Engine Misfire with Abnormal Internal Lower Engine Noises
Base Engine Misfire with Abnormal Valve Train Noise
Base Engine Misfire with Coolant Consumption
Base Engine Misfire with Excessive Oil Consumption
Base Engine Misfire without Internal Engine Noises
Coolant in Combustion Chamber
Coolant in Engine Oil
Diagnostic Starting Point - Engine Mechanical
Engine Compression Test
Engine Noise on Start-Up, but Only Lasting a Few Seconds
Engine Noise Under Load
Engine Will Not Crank - Crankshaft Will Not Rotate
Lower Engine Noise, Regardless of Engine Speed
Symptoms - Engine Mechanical
Upper Engine Noise, Regardless of Engine Speed
Disassembly, Overhaul, Repair, and Assembly
Camshaft Bearing Installation
Camshaft Bearing Removal
Camshaft Installation
Camshaft Removal
Clutch Pilot Bearing Installation
Clutch Pilot Bearing Removal
Crankshaft and Bearing Installation
Crankshaft and Bearing Removal
Crankshaft Balancer Installation
Crankshaft Balancer Removal
Crankshaft Rear Oil Seal Installation
Crankshaft Rear Oil Seal Removal
Cylinder Boring and Honing
Cylinder Head Assemble
Cylinder Head Disassemble
Cylinder Head Installation - Left Side
Cylinder Head Installation - Right Side
Cylinder Head Removal - Left Side
Cylinder Head Removal - Right Side
Draining Fluids and Oil Filter Removal
Engine Block Plug Installation
Engine Block Plug Removal
Engine Flywheel Housing Installation
Engine Flywheel Housing Removal
Engine Flywheel Installation
Engine Flywheel Removal
Engine Front Cover Installation
Engine Front Cover Removal
Engine Prelubing
Exhaust Manifold Installation - Left Side
Exhaust Manifold Installation - Right Side
Exhaust Manifold Removal - Left Side
Exhaust Manifold Removal - Right Side
Intake Manifold Assemble
Intake Manifold Disassemble
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 Assemble
Oil Pump Disassemble
Oil Pump Drive Installation
Oil Pump Drive Removal
Oil Pump, Screen and Crankshaft Oil Deflector Installation
Oil Pump, Screen and Crankshaft Oil Deflector Removal
Piston and Connecting Rod Assemble
Piston and Connecting Rod Disassemble
Piston, Connecting Rod, and Bearing Installation
Piston, Connecting Rod, and Bearing Removal
Service Prior to Assembly
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 Installation
Valve Rocker Arm and Push Rod Removal
Valve Rocker Arm Cover Installation - Left Side
Valve Rocker Arm Cover Installation - Right Side
Valve Rocker Arm Cover Removal - Left Side
Valve Rocker Arm Cover Removal - Right Side
Water Crossover Installation
Water Crossover Removal
Water Pump Installation
Water Pump Removal
General Diagnostic Information
Crankcase Ventilation System Inspection/Diagnosis
Cylinder Leakage Test
Drive Belt Chirping Diagnosis
Drive Belt Excessive Wear Diagnosis
Drive Belt Falls Off Diagnosis
Drive Belt Rumbling Diagnosis
Drive Belt Squeal Diagnosis
Drive Belt Tensioner Diagnosis
Drive Belt Vibration Diagnosis
Drive Belt Whine Diagnosis
Oil Consumption Diagnosis
Oil Leak Diagnosis
Oil Pressure Diagnosis and Testing
General Information
Cleanliness and Care
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
Removal, Installation, and Replacement
Camshaft Replacement
Camshaft Timing Chain and Sprocket Replacement
Crankshaft Balancer Replacement
Crankshaft Front Oil Seal Replacement
Crankshaft Rear Oil Seal Replacement
Cylinder Head Replacement - Left Side
Cylinder Head Replacement - Right Side
Drive Belt Idler Pulley Replacement
Drive Belt Replacement
Drive Belt Tensioner Replacement
Engine Flywheel Replacement
Engine Front Cover Replacement
Engine Front Mount Replacement
Engine Mount Bracket Replacement - Left Side
Engine Mount Bracket Replacement - Right Side
Engine Oil and Oil Filter Replacement
Engine Oil Level Sensor and/or Switch Replacement
Engine Oil Pressure Sensor and/or Switch Replacement
Engine Replacement
Intake Manifold Replacement
Oil Filler Tube Replacement
Oil Filter Adapter and Bypass Valve Assembly Replacement
Oil Level Indicator Tube Replacement
Oil Pan Replacement
Oil Pump Drive Replacement
Oil Pump Replacement
Valve Lifter Replacement
Valve Rocker Arm and Push Rod Replacement
Valve Rocker Arm Cover Replacement - Left Side
Valve Rocker Arm Cover Replacement - Right Side
Valve Stem Oil Seal and Valve Spring Replacement