GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2008
🢒
Yukon XL Denali
🢒
Engine
🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L
Engine
All Description and Operation
Camshaft Position Actuator and Solenoid Valve Description
Crankcase Ventilation System Description
Cylinder Deactivation (Active Fuel Management) System Description
Drive Belt System Description
Engine Component Description
Lubrication Description
Lubrication Description - Main Pressure Above 55 psi with Cylinder Deactivation (Active Fuel Management) Off
Lubrication Description - Main Pressure Above 55 psi with Cylinder Deactivation (Active Fuel Management) On
Lubrication Description - Main Pressure Below 55 psi with Cylinder Deactivation (Active Fuel Management) Off
Lubrication Description - Main Pressure Below 55 psi with Cylinder Deactivation (Active Fuel Management) On
New Product Information
All Special Tools and Equipment
Special Tools
All Visual Identification
Disassembled Views
Engine Identification
Cleaning, Inspection, and Adjustment
Automatic Transmission Flex Plate Cleaning and Inspection
Camshaft and Bearings Cleaning and Inspection
Camshaft Position Actuator Cleaning and Inspection
Camshaft Position Actuator Magnet Cleaning and Inspection
Camshaft Position Actuator Solenoid Valve Inspection
Camshaft Timing Chain and Sprocket Cleaning and Inspection
Crankshaft and Bearing Cleaning and Inspection
Crankshaft Balancer Cleaning and Inspection
Crankshaft Rear Oil Seal Housing Cleaning and Inspection
Cylinder Head Cleaning and Inspection
Engine Block Cleaning and Inspection
Engine Block Valley Cover Cleaning and Inspection
Engine Coolant Air Bleed Pipe and Hole Cover 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, Connecting Rod, and Bearing Cleaning and Inspection
Valve Lifter and Guide Cleaning and Inspection
Valve Lifter Oil Manifold 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
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
Camshaft Position Actuator and Solenoid Valve Diagnosis and Testing
Coolant in Combustion Chamber
Coolant in Engine Oil
Cylinder Deactivation (Active Fuel Management) Oil Pressure Relief Valve Diagnosis and Testing
Cylinder Deactivation (Active Fuel Management) System Compression Test
Cylinder Deactivation (Active Fuel Management) System Diagnosis
Cylinder Deactivation (Active Fuel Management) Valve Lifter Oil Manifold Diagnosis and Testing
Diagnostic Starting Point - Engine Mechanical
Drive Belt Tensioner Diagnosis
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
Automatic Transmission Flex Plate Installation
Automatic Transmission Flex Plate Removal
Camshaft Bearing Installation
Camshaft Bearing Removal
Camshaft Installation
Camshaft Position Actuator and Solenoid Valve Installation
Camshaft Position Actuator and Solenoid Valve Removal
Camshaft Removal
Crankshaft and Bearing Installation
Crankshaft and Bearing Removal
Crankshaft Balancer Installation
Crankshaft Balancer Removal
Crankshaft Front Oil Seal Installation
Crankshaft Rear Oil Seal Housing Installation
Crankshaft Rear Oil Seal Housing Removal
Crankshaft Rear Oil Seal Installation
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 Block Valley Cover Installation
Engine Block Valley Cover Removal
Engine Coolant Air Bleed Pipe and Hole Cover Installation
Engine Coolant Air Bleed Pipe and Hole Cover 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
Fuel Rail and Injectors Installation
Fuel Rail and Injectors Removal
Intake Manifold Installation
Intake Manifold Removal
Oil Filter Installation
Oil Filter 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, 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
Throttle Body Installation
Throttle Body Removal
Timing Chain and Sprocket Installation
Timing Chain and Sprocket Removal
Valve Guide Reaming, and Valve and Seat Grinding
Valve Lifter Installation
Valve Lifter Oil Filter Installation
Valve Lifter Oil Filter Removal
Valve Lifter Oil Manifold Installation
Valve Lifter Oil Manifold Removal
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 Pump Installation
Water Pump Removal
Electrical/Electronic Schematic Diagrams
Engine Mechanical Schematics
General Diagnostic Information
Crankcase Ventilation System Inspection/Diagnosis
Cylinder Leakage Test
Drive Belt Chirping, Squeal, and Whine Diagnosis
Drive Belt Falls Off and Excessive Wear Diagnosis
Drive Belt Rumbling and Vibration 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 Content Specifications
Engine Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
Adhesives, Fluids, Lubricants, and Sealers
Thread Repair Specifications
Removal, Installation, and Replacement
Air Conditioning Compressor Belt Replacement
Automatic Transmission Flex Plate Replacement
Camshaft Position Actuator Magnet Replacement
Camshaft Position Actuator Replacement
Camshaft Position Actuator Solenoid Valve Replacement
Camshaft Replacement
Camshaft Timing Chain and Sprocket Replacement
Crankshaft Balancer Replacement
Crankshaft Front Oil Seal Replacement
Crankshaft Rear Oil Seal Housing Replacement
Crankshaft Rear Oil Seal Replacement
Cylinder Head Replacement - Left Side
Cylinder Head Replacement - Right Side
Drive Belt Idler Pulley Replacement
Drive Belt Replacement - Accessory
Drive Belt Tensioner Replacement - Accessory
Drive Belt Tensioner Replacement - Air Conditioning
Engine Block Valley Cover Replacement
Engine Front Cover Replacement
Engine Mount Bracket Replacement - Left Side
Engine Mount Bracket Replacement - Right Side
Engine Mount Replacement - Left Side
Engine Mount 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 Filter Adapter Replacement
Oil Level Indicator Tube Replacement
Oil Pan Cover Replacement
Oil Pan Replacement
Oil Pressure Relief Valve Replacement
Oil Pump, Screen, and Crankshaft Oil Deflector Replacement
Positive Crankcase Ventilation Hose/Pipe/Tube Replacement
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator and Solenoid Valve Replacement
Upper Intake Manifold Cover Replacement
Upper Intake Manifold Sight Shield Replacement
Valve Lifter Oil Filter Replacement
Valve Lifter Oil Manifold 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