Repair manual
Wiring diagrams
Chevrolet TrailBlazer I Repair Manual
Step-by-step repair and maintenance instructions for the Chevrolet TrailBlazer I (2001–2006): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
100sections
1077articles
ENManual language
- Removal (4.2L)
- Removal (5.3L)
- Removal & Installation (5.3L)
- Removal & Installation (4.2L)
- Removal (HO2S 1)
- Removal (HO2S 2)
- Removal (HO2S, Bank 1 & 2 Sensor 1)
- Removal (HO2S, Bank 1 & 2 Sensor 2)
- Removal & Installation (Metal Collar)
- Removal & Installation (Plastic Collar)
- Removal (Plastic Collar)
- Removal (Bravada, Envoy & Trailblazer)
- Removal (Envoy XL & Trailblazer EXT)
- Removal (Envoy XL & TrailBlazer EXT
- ON-BOARD DIAGNOSTICS
- Scan Tool Snapshot
- DIAGNOSTIC STARTING POINT - ENGINE CONTROLS
- Diagnostic Procedure
- RETRIEVING DIAGNOSTIC TROUBLE CODES
- CLEARING DIAGNOSTIC TROUBLE CODES
- Scan Tool
- Diagnostic Aids
- Conditions for Running
- DIAGNOSTIC TROUBLE CODE DEFINITIONS
- DIAGNOSTIC TESTS
- Conditions For Running DTC
- Conditions For Setting DTC
- Action Taken When DTC Sets
- Conditions For Clearing MIL/DTC
- Conditions For Clearing MIL or DTC
- Action Take When DTC Sets
- Conditions For Clearing DTC
- Radiator Hose Replacement - Inlet (Body Vin Code 3)
- Radiator Hose Replacement - Inlet (Body Vin Code 6 LM4)
- Radiator Hose Replacement - Inlet (Body Vin Code 6 LL8)
- Radiator Hose Replacement - Outlet (Body Vin Code 3)
- Radiator Hose Replacement - Outlet (Body Vin Code 6 LM4)
- Radiator Hose Replacement - Outlet (Body Vin Code 6 LL8)
- Removal Procedure
- Installation Procedure
- Cooling Fan and Shroud Replacement
- Cooling Fan Relay Replacement
- Thermostat Replacement (4.2L Engine)
- Water Pump Replacement (4.2L Engine)
- Water Pump Replacement (5.3L Engine)
- Radiator Replacement (Body Vin Code 6)
- Radiator Replacement (Body Vin Type 3)
- Intermittent
- Front Engine Mount
- Honing Procedure
- Boring Procedure
- Thread Repair
- Recessed Thread Repair
- Tapered Pipe Thread Repair
- Cylinder Head Bolt Hole Thread Repair
- Crankshaft Main Bolt Hole Thread Repair
- Engine Prelubing
- Engine Block
- Oil Pan
- Crankshaft
- Connecting Rods
- Pistons
- Cylinder Head
- Valve Train
- Fuel System
- Oil Pump
- Engine Covers
- New Product Information
- New Sealants and/or Adhesives
- New Features on the LL8 Engine
- Engine Features
- Cleanliness and Care
- Separating Parts
- Replacing Engine Gaskets
- Sealant Types
- Aerobic Type Room Temperature Vulcanizing (TRV) Sealant
- Anaerobic Type Threadlock Sealant
- Anaerobic Type Pipe Sealant
- Tools and Equipment
- Diagnostic Starting Point - Engine Mechanical
- Strategy Based Diagnostics
- Visual/Physical Inspection
- Symptom List
- Engine Compression Test
- Cylinder Leakage Test
- Oil Pressure Diagnosis and Testing
- Diagnostic Aids
- Inspection Procedure
- Camshaft Position (CMP) Actuator Diagnosis
- Engine Block Cleaning and Inspection
- Crankshaft and Bearings Cleaning and Inspection
- Piston, Connecting Rod, and Bearings Cleaning and Inspection
- Camshafts Cleaning and Inspection
- Cylinder Head Cleaning and Inspection
- Installation Procedure
- Removal Procedure
- Valve Rocker Arm and Valve Lash Adjuster Replacement
- Valve Stem Oil Seal and Valve Spring Replacement
- Cylinder Head Replacement
- Crankshaft Balancer Replacement
- Crankshaft Front Oil Seal Replacement
- Engine Front Cover Replacement
- Exhaust Camshaft Position Actuator Replacement
- Timing Chain, Sprockets, and/or Tensioner Replacement
- Camshaft Replacement
- Crankshaft Rear Oil Seal and Housing Replacement
- Crankshaft Rear Oil Seal Replacement
- Engine Flywheel Replacement
- Engine Replacement
- Heater Inlet Hose Fitting Removal
- Heater Outlet Hose Fitting Removal
- Water Pump Removal
- Oil Pan Removal
- Crankshaft Balancer Removal
- Crankshaft Front Oil Seal Removal
- Crankshaft Rear Oil Seal Removal
- Valve Rocker Arm and Valve Lash Adjuster Removal
- Cylinder Head Removal
- Piston, Connecting Rod, and Bearing Removal
- Crankshaft and Bearings Removal
- Crankshaft and Bearings Installation
- Piston, Connecting Rod, and Bearing Installation
- Cylinder Head Installation
- Camshaft Installation
- Timing Chain and Sprockets Installation
- Engine Front Cover Installation
- Crankshaft Front Oil Seal Installation
- Water Pump Installation
- Crankshaft Rear Oil Seal and Housing Installation
- Crankshaft Balancer Installation
- Crankshaft Rear Oil Seal Installation
- Engine Flywheel Installation
- Intermittent
- Front Engine Mount
- Boring Procedure
- Honing Procedure
- Deglazing Procedure
- Cleaning Procedure
- Measuring Main Bearing Clearance - Gaging Plastic Method
- Measuring Connecting Rod Bearing Clearance - Gaging Plastic Method
- Measuring Connecting Rod Bearing Clearance - Using J 43690/J 43690-100
- Piston and Pin
- Connecting Rod and Bearings
- Measuring Piston Ring End Gap
- Measuring Camshaft Lobe Lift
- Valve Guide Reaming/Valve and Seat Grinding
- Valve Guide Reaming
- Valve and Seat Grinding
- Thread Repair
- General Thread Repair
- Engine Prelubing
- Piston Selection
- Camshaft and Drive System
- Crankshaft
- Cylinder Heads
- Engine Block
- Exhaust Manifolds
- Intake Manifold
- Oil Pan
- Valve Train
- New Product Information
- New Sealants and/or Adhesives
- A Component Comparison from the Previous Year
- Cleanliness and Care
- Separating Parts
- Replacing Engine Gaskets
- Gasket Use and Applying Sealants
- Separating Components
- Cleaning Gasket Surfaces
- Pipe Joint Compound
- RTV Sealer
- Anaerobic Sealer
- Tools and Equipment
- Diagnostic Starting Point - Engine Mechanical
- Strategy Based Diagnostics
- Visual/Physical Inspection
- Symptom List
- Engine Compression Test
- Cylinder Leakage Test
- Oil Pressure Diagnosis and Testing
- Diagnostic Aids
- Engine Block Cleaning and Inspection
- Crankshaft and Bearings Cleaning and Inspection
- Inspection Procedure
- Camshaft and Bearings Cleaning and Inspection
- Valve Rocker Arm and Push Rods Cleaning and Inspection
- Valve Lifters and Guides Cleaning and Inspection
- Cylinder Head Cleaning and Inspection
- Oil Pump Cleaning and Inspection
- Engine Front Cover Cleaning and Inspection
- Engine Rear Cover Cleaning and Inspection
- Engine Valley Cover Cleaning and Inspection
- Valve Rocker Arm Cover Cleaning and Inspection
- Oil Pan Cleaning and Inspection
- Exhaust Manifold Cleaning and Inspection
- Coolant Air Bleed Pipe Cleaning and Inspection
- Engine Mechanical Diagnostic Procedure Revisions
- Installation Procedure
- Removal Procedure
- Valve Stem Oil Seal and Valve Spring Replacement
- Cylinder Head Replacement - Left
- Cylinder Head Replacement - Right
- Valve Lifter Replacement
- Crankshaft Balancer Replacement
- Crankshaft Front Oil Seal Replacement
- Engine Front Cover Replacement
- Crankshaft Rear Oil Seal Replacement
- Engine Rear Cover Replacement
- Engine Oil Pressure Sensor and/or Switch Replacement
- Timing Chain and Sprockets Replacement
- Engine Replacement
- Draining Fluids and Oil Filter Removal
- Crankshaft Balancer Removal
- Engine Flywheel Removal
- Throttle Body Removal
- Fuel Rail and Injectors Removal
- Intake Manifold Removal
- Valve Rocker Arm Cover Removal - Left
- Valve Rocker Arm Cover Removal - Right
- Valve Rocker Arm and Push Rod Removal
- Valve Lifter Removal
- Oil Pan Removal
- Timing Chain and Sprockets Removal
- Piston, Connecting Rod, and Bearing Removal
- Crankshaft and Bearings Removal
- Engine Block Plug Removal
- Camshaft Bearing Removal
- Camshaft Bearing Installation
- Engine Block Plug Installation
- Crankshaft and Bearings Installation
- Piston, Connecting Rod, and Bearing Installation
- Camshaft Installation
- Timing Chain and Sprockets Installation
- Oil Pump, Pump Screen and Deflector Installation
- Engine Rear Cover Installation
- Crankshaft Rear Oil Seal Installation
- Engine Front Cover Installation
- Crankshaft Front Oil Seal Installation
- Oil Pan Installation
- Valve Lifter Installation
- Cylinder Head Installation - Left
- Cylinder Head Installation - Right
- Valve Rocker Arm and Push Rod Installation
- Valve Rocker Arm Cover Installation - Left
- Valve Rocker Arm Cover Installation - Right
- Engine Valley Cover Installation
- Coolant Air Bleed Pipe Installation
- Intake Manifold Installation
- Fuel Rail and Injectors Installation
- Throttle Body Installation
- Water Pump Installation
- Exhaust Manifold Installation - Left
- Exhaust Manifold Installation - Right
- Engine Flywheel Installation
- Crankshaft Balancer Installation
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Parasitic Load Explanation & Test Procedures - General Information 2
- Waveforms - Injector Pattern Tutorial - General Information 2
- Electrostatic Discharge Warning - General Information
- State Emission Standards - Diesel
- Installation Procedure
- Intermediate Shaft Bearing Assembly Oil Seal Replacement
- Inner Axle Shaft Replacement - Front Drive Axle
- Differential Drive Pinion Flange/Yoke, Seal, and Dust Deflector Replacement - Front
- Removal Procedure
- Differential Carrier Assembly Oil Seal and/or Bearing Replacement
- Pinion Bearing Cup Installation
- Installation Procedure
- Removal Procedure
- Upper Ball Joint Replacement
- Lower Ball Joint Replacement
- Steering Knuckle Replacement (RWD)
- Steering Knuckle Replacement (4WD)
- Lower Control Arm Replacement
- Wheel Stud Replacement
- Shock Module Replacement
- Shock, Shock Component, and/or Spring Replacement
- Shock Module Yoke Replacement
- Compressor Replacement (Body Type VIN 3)
- Compressor Replacement (Body Type VIN 6)
- Installation Procedure
- Compressor Hose Assembly Replacement (Body VIN Type 3)
- Compressor Hose Assembly Replacement (Body VIN Type 6)
- Evaporator Tube Replacement (Body VIN 3)
- Evaporator Tube Replacement (Body VIN6)
- Expansion (Orifice) Tube Replacement (Body VIN Code 3)
- Expansion (Orifice) Tube Replacement (Body VIN Code 6)
- Air Conditioning (A/C) Low Pressure Switch Replacement
- Condenser Replacement
- Accumulator Replacement
- HVAC Module Assembly Replacement
- Heater Hose Replacement - Inlet (Body Type VIN 3)
- Heater Hose Replacement - Inlet (Body Type VIN 6)
- Heater Hose Replacement - Outlet (LL8)
- Heater Hose Replacement - Outlet (LM4)
- Coolant Bypass Valve Replacement
- HVAC Module Pass Thru Seal Replacement - Auxiliary
- Evaporator Core Replacement - Auxiliary
- Replacement/Repair - Auxiliary
- Data
- Inputs
- Output Control
- Intermittent
- Screen Method for Headlamp Aiming
- Fog Lamp Aiming Procedure
- Exterior Lamps
- Headlamps
- Daytime Running Lamps (DRL)
- Headlamp Leveling (Export)
- Fog Lamps
- Park, Tail, Marker, License, and Clearance Lamps
- Turn Signal Lamps
- Cornering Lamps
- Stop Lamps
- Backup Lamps
- Interior Lamps
- Courtesy Lamps
- Keyless Entry Interior Illumination
- Vanity Mirror Lamps
- Battery Rundown Protection/Inadvertent Power
- Interior Lamps Dimming
- Power Steering Pulley Replacement (4.2L)
- Power Steering Pulley Replacement (5.3L)
- Tie Rod End Replacement - Outer
- Power Steering Hose Assembly Replacement (4.2L)
- Removal Procedure
- Power Steering Hose Assembly Replacement (5.3L)
- Power Steering Gear Replacement
- Rack and Pinion Boot Replacement - Off Vehicle
- Installation Procedure
- Tie Rod Replacement - Inner
- Rpo Code Definitions (Rpo 001-19F)
- Rpo Code Definitions (Rpo 19H-2EL).
- Rpo Code Definitions (Rpo 2F1-44I).
- Rpo Code Definitions (Rpo 44L-5J9).
- Rpo Code Definitions (Rpo 5K0-6FF).
- Rpo Code Definitions (Rpo 6FG-76A).
- Rpo Code Definitions (Rpo 76D-7XD).
- Rpo Code Definitions (Rpo 7XF-8M0).
- Rpo Code Definitions (Rpo 8M1-9C0).
- Rpo Code Definitions (Rpo 9C1-A0F).
- Rpo Code Definitions (Rpo A0G-AR4).
- Rpo Code Definitions (Rpo AR5-BCP).
- Rpo Code Definitions (Rpo BCQ-C12).
- Rpo Code Definitions (Rpo C13-CUR).
- Rpo Code Definitions (Rpo Cut-Dir).
- Rpo Code Definitions (Rpo DR7-EHE).
- Rpo Code Definitions (Rpo EHF-F5P).
- Rpo Code Definitions (Rpo F5Q-G1V).
- Rpo Code Definitions (Rpo G1W-HFN).
- Rpo Code Definitions (Rpo Hfo-Jrg).
- Rpo Code Definitions (Rpo Jrh-Kly).
- Rpo Code Definitions (Rpo Klz-Lqx).
- Rpo Code Definitions (Rpo LQY-MW9).
- Rpo Code Definitions (Rpo Mwe-Odk).
- Rpo Code Definitions (Rpo Odl-Ora).
- Rpo Code Definitions (Rpo Orb-Pde).
- Rpo Code Definitions (Rpo PDF-QH6).
- Rpo Code Definitions (Rpo QH7-R8D).
- Rpo Code Definitions (Rpo R8E-T07).
- Rpo Code Definitions (Rpo T08-TJ0).
- Rpo Code Definitions (Rpo TJ1-U10).
- Rpo Code Definitions (Rpo U11-US9).
- Rpo Code Definitions (Rpo USB-VG9).
- Rpo Code Definitions (Rpo VGA-W5Y).
- Rpo Code Definitions (Rpo W5Z-XE3).
- Rpo Code Definitions (Rpo XE4-Y9Z).
- Rpo Code Definitions (Rpo YA2-ZD9).
- Rpo Code Definitions (Rpo Zde-Zzz).
- Intermediate Steering Shaft Replacement - Upper
- Removal Procedure
- Intermediate Steering Shaft Replacement - Lower
- Steering Column Trim Covers Replacement
- Installation Procedure
- Ignition Switch Replacement
- Ignition Lock Cylinder Replacement
- Ignition Lock Cylinder Case Replacement
- Multifunction Turn Signal Switch Housing Replacement
- Turn Signal Cancel Cam and Steering Shaft Upper Bearing Spring Replacement
- Multifunction, Turn Signal Switch Replacement
- Horn Switch Replacement
- Steering Wheel Replacement
- Steering Wheel Theft Deterrent Lock Replacement
- Tilt Spring Replacement
- Steering Column Tilt Head Housing Replacement
- Steering Column Replacement
- Steering Column Jacket Replacement
- Steering Column Shaft Replacement
- Steering Column Wire Harness Assembly Replacement
- Engine Controls - Basic Diagnostic Procedures 3
- Engine Controls - Basic Diagnostic Procedures - 4.8L, 5.3L & 6.0L - Flex Fuel & Gasoline Engines 3
- Engine Control System - Trouble Shooting - No Codes - 4.2L 4
- Engine Controls - Trouble Shooting - No Codes - 4.8L, 5.3L & 6.0L 5
- Engine Controls - System & Component Testing 6
- Engine Controls - System & Component Testing - 4.8L, 5.3L & 6.0L - Flex Fuel & Gasoline 6
- Engine Control System - Self-Diagnostics - 4.2L 73
- Engine Control System - Self-Diagnostics - 5.3L 76
- Engine Controls - Strategy Based Engine Diagnosis