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Chevrolet Trailblazer CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet REPAIR SHOPS DON'T WANT YOU TO KNOW
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A/C & HEATER SERVICE PROCEDURES FOR Chevrolet Trailblazer AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Chevrolet Trailblazer cars and light trucks from 1990+
Component Replacement & Adjustment -> Bravada, Envoy, Rainer & TrailBlazer -> Radiator, Replace -> 4.2L Engine -> 5.3L Engine
Vehicle: 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS
4.2L Engine
- Drain engine coolant into suitable container.
- Recover refrigerant as outlined in .
- Raise and support vehicle.
- Remove mounting nuts and bolts, then the radiator support shield.
- Disconnect clamp and remove outlet radiator hose from radiator.
- On models equipped with automatic transmission, disconnect quick connector and remove transmission cooler lines from radiator.
- On all models, lower vehicle.
- Remove mounting bolts and radiator support diagonal brace.
- Disconnect Secondary Air Injection (AIR) reaction pump inlet ...
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BRAKE SERVICE PROCEDURES FOR Chevrolet Trailblazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Chevrolet Trailblazer cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Description
Vehicle: 2006 Chevrolet Trailblazer LS 4.2 L6 GAS
The caliper assembly slides on its mounting surfaces, Fig. . Upon brake application, hydraulic pressure against the piston forces the inboard pad against the inboard...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Chevrolet Trailblazer AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Chevrolet Trailblazer cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> Except Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Tracker & Uplander -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
Vehicle: 2005 Chevrolet Trailblazer EXT LS 5.3 V8 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strategy.
Engines Less Fuel Pressure ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Chevrolet Trailblazer AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Chevrolet Trailblazer cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 2004 Chevrolet Trailblazer 4.2 L6 GAS
- Unlock steering column so that steering linkage is free to move.
- Raise the vehicle. Support vehicle with suitable safety stands.
- Remove front tire and wheel assemblies.
- In order to prevent drive axle from turning, insert a drift through brake caliper and into one of the rotor vanes.
- Remove axle nut and washer.
- Remove drift from brake rotor.
- Remove front brake rotors and support caliper with piece of wire in order to prevent damage to brake hose.
- Remove brackets from upper control arm holding both ABS wire and brake hose.
- Remove ABS bracket located on top of upper control arm ball...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Chevrolet Trailblazer AUTOMOBILES
Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Chevrolet Trailblazer cars and light trucks sold in the U.S. from mid 1990's+.
Component Replacement -> Installation -> Removal -> Tire Pressure Indicator Sensor
Vehicle: 2006 Chevrolet Trailblazer LS 5.3 V8 GAS
Tire Pressure Indicator Sensor
Removal
- Loosen the lug nuts.
- Raise and support vehicle with jack stands, then remove the wheel and tire assembly.
- Prior to dismounting the tire from the wheel, note the following precautions:
- Position the bead breaking fixture 90° from the valve stem when separating the tire bead from the wheel.
- Place the mounting and dismounting head so that the tire iron or pry bar can be inserted slightly clockwise of the sensor body when prying the tire bead up and over the head.
- Rotate the tire and wheel assembly clockwise using the tire changer when transferri...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Chevrolet Trailblazer AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Chevrolet Trailblazer cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 2007 Chevrolet Trailblazer LT 5.3 V8 GAS
- Disconnect battery ground cable.
- Disconnect positive crankcase ventilation fresh air tube from air cleaner resonator outlet duct.
- Loosen air cleaner outlet duct clamps at mass air flow intake air temperature sensor and at throttle body.
- Remove air cleaner outlet duct bolt and duct.
- Remove drive belt.
- Disconnect engine wiring harness electrical connector from alternator.
- Reposition altern...
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MAINTENANCE LAMP RESET PROCEDURES FOR Chevrolet Trailblazer AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Chevrolet Trailblazer cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> Check Engine/Service Engine Soon Indicator Lamp -> Electronic Engine Controls Or Electronic Fuel Injection Except Tracker
Vehicle: 2006 Chevrolet Trailblazer SS 6.0 V8 GAS
The Check Engine/Service Engine Soon Lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a problem and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM/PCM memory can be cleared of codes either by using a scan tool (OBD II systems) or by disconnecting the battery ground ca...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Chevrolet Trailblazer AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Chevrolet Trailblazer cars and light trucks from 1990+
Radiator, Replace
Vehicle: 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS
- Drain coolant from radiator into a suitable container.
- Raise and support vehicle.
- Remove radiator support shield mounting nuts and bolts, then radiator support shield.
- Remove transmission cooler lines from radiator.
- Remove outlet radiator hose from radiator.
- Lower vehicle.
- Remove inlet radiator hose from radiator.
- Remove air cleaner assembly and air resonator assembly.
- Remove inlet radiator hose.
- Remove transmission oil cooler lines from fan shroud.
- Disconnect fan clutch electrical connector.
- Remove fan clutch from water pump.
- Remove upper fan shroud moun...
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SERPENTINE BELT SERVICE PROCEDURES FOR Chevrolet Trailblazer AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Chevrolet Trailblazer cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 2007 Chevrolet Trailblazer SS 6.0 V8 GAS
- Rotate tensioner clockwise to release belt tension using suitable wrench, then remove belt.
- Route belt over pulleys excep...
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COMPONENT LOCATION DIAGRAMS FOR Chevrolet Trailblazer AUTOMOBILES
Component location diagrams for most Chevrolet Trailblazer cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR Chevrolet Trailblazer AUTOMOBILES
OEM drawn wiring diagrams for most Chevrolet Trailblazer cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Chevrolet Trailblazer AUTOMOBILES
OEM TSB listings for most Chevrolet Trailblazer cars and light trucks sold in the U.S. from 1985+.
Document: REAR CHMSL APPLIQUE SEALING STRIP LOOSE Vehicle: 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS Auto Systems: |
Document: Servicing a 3 Wire AC Compressor With a 2 Wire AC
Compressor Vehicle: 2003 Chevrolet Trailblazer 4.2 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Chevrolet Trailblazer AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Chevrolet Trailblazer cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most Chevrolet Trailblazer cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most Chevrolet Trailblazer cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most Chevrolet Trailblazer cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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