2002 Chevrolet Trailblazer REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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2002 Chevrolet Trailblazer CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2002 Chevrolet Trailblazer car and truck repair procedures including Chevrolet engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your Chevrolet Trailblazer automobile. Try the Automotix DIY solution today!
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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Chevrolet mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2002 Chevrolet Trailblazer vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 2002 Chevrolet Trailblazer EXT 4.2 L6 GAS

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BRAKE SERVICE PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Drum Brakes -> Brake Service -> Astro, Bravada, S & T Series & Safari -> Aztek, Rendezvous & Vue -> C & K Series -> Duo-Servo -> Express & Savana -> Installation -> Montana, Silhouette, Trans Sport & Venture -> P Series -> Removal -> Single-Servo -> Tracker
Vehicle: 2002 Chevrolet Trailblazer 4.2 L6 GAS

C & K Series

Duo-Servo
Removal
  • Raise and support vehicle.
  • Mark relationship of wheel to hub, then remove tire and wheel assembly.
  • On models equipped with full-floating axles, remove hub and drum assembly as outlined in. "Drive Axles."
  • On models equipped with semi-floating axles, proceed as follows:
    • Install pin into park brake lever.
    • Mark relationship of drum to axle.
    • Remove rear brake drum retainers, as required.
    • Remove rear brake drum.
  • On all models, remove return springs and shoe guide,. Fig. .
  • Remove brake hold down springs and pins.
  • Disconnect actuator lever and pivot.
  • Remove lever return sp...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 2002-03 Envoy, Rainier & TrailBlazer -> Normal Service -> Severe Service
Vehicle: 2002 Chevrolet Trailblazer 4.2 L6 GAS

Normal Service

Replace ...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

DRIVESHAFT, Replace -> Front -> One Piece Driveshaft -> Rear -> Two Piece Driveshaft
Vehicle: 2002 Chevrolet Trailblazer 4.2 L6 GAS

Front

  • Raise and support vehicle.
  • Mark the front U-joint to the pinion yoke on the front differential.
  • Mark the relationship of the rear U-joint to the transfer case drive flange.
  • Remove the retaining nuts and bolts from the drive flange.
  • Remove the clamps and retaining bolts from the front drive axle pinion flange.
  • Remove the front propeller shaft from the vehicle.
  • Using tape and or a rubber band, wrap the front U-joint bearing caps to ensure the caps do not separate from the U-joint.
  • Reverse procedure to install, noting the following:
    • Torque front propeller shaft to the pinion flang...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Alternator, Replace
Vehicle: 2002 Chevrolet Trailblazer EXT 4.2 L6 GAS

  • Disconnect battery ground cable.
  • Remove air inlet duct.
  • Remove heater hose brace bolt from rear of alternator.
  • Disconnect alternator electrical connectors.
  • Remove accessory drive belt.
  • Remove alternator mounti...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

General Motors Corp./Saturn Trucks -> Service Throttle Soon Indicator Lamp ->
Vehicle: 2002 Chevrolet Trailblazer 4.2 L6 GAS

A "Service Throttle Soon" indicator lamp is mounted in the lower righthand instrument cluster corner on these models. It lights when the ignition is turned On, but should go out approximately 1-5 seconds after the engine starts.

Traditional throttle cables are no longer used on these models. The PCM receives signals from an electron...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2002 Chevrolet Trailblazer 4.2 L6 GAS

Lower

  • Drain cooling system into a suitable container.
  • Reposition hose clamp from radiator.
  • Remove radiator outlet hose from radiator.
  • Reposition hose clamp from thermostat housing.
  • Remove radiator outlet hose from thermostat housing and from vehicle.
  • Reverse procedure to in...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2002 Chevrolet Trailblazer EXT 4.2 L6 GAS

  • Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from drive belt.
  • Remove t...

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COMPONENT LOCATION DIAGRAMS FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Component location diagrams for most 2002 Chevrolet Trailblazer cars and light trucks sold in the U.S. from 1990+.

I/P Carrier-Air Duct Diagram for 2002 Chevrolet Trailblazer  4.2 L6 GASI/P Carrier-Air Duct Diagram for 2002 Chevrolet Trailblazer 4.2 L6 GAS

Components on diagram:
  • Upper Air Temperature Sensor
  • Automatic Transmission Diagram for 2002 Chevrolet Trailblazer  4.2 L6 GASAutomatic Transmission Diagram for 2002 Chevrolet Trailblazer 4.2 L6 GAS

    Components on diagram:
  • Connector C-175
  • CLICK HERE TO GET FULL ACCESS TO 2002 Chevrolet Trailblazer PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2002 Chevrolet Trailblazer AUTOMOBILES

    OEM drawn wiring diagrams for most 2002 Chevrolet Trailblazer cars and light trucks sold in the U.S.

    2002 Chevrolet Trailblazer  4.2 L6 GAS Wiring Diagram2002 Chevrolet Trailblazer 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • 1-2 Shift Solenoid Valve
  • 3-2 Shift Solenoid Valve
  • Torque Converter Clutch Pulse Width Modulation Solenoid Valve
  • Torque Converter Clutch Solenoid Valve
  • 2-3 Shift Solenoid Valve
  • 2002 Chevrolet Trailblazer  4.2 L6 GAS Wiring Diagram2002 Chevrolet Trailblazer 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Rear Window Defogger Grid
  • Liftgate Module
  • Heater/ Vent/ Air Conditioning Control Module
  • CLICK HERE TO GET FULL ACCESS TO 2002 Chevrolet Trailblazer WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2002 Chevrolet Trailblazer AUTOMOBILES

    OEM TSB listings for most 2002 Chevrolet Trailblazer cars and light trucks sold in the U.S. from 1985+.

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2002 Chevrolet Trailblazer 4.2 L6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: New Website for AFIT, TPM, and VDR Updates
    Vehicle: 2002 Chevrolet Trailblazer 4.2 L6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO 2002 Chevrolet Trailblazer TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2002 Chevrolet Trailblazer AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2002 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 2002 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 2002 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 2002 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

    CLICK HERE TO GET FULL ACCESS TO 2002 Chevrolet Trailblazer SPECIFICATIONS DATA!

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