2009 Chevrolet Trailblazer Service and Repair Manual

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Factory-Grade Data

2009 Chevrolet Trailblazer service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • SS Sport Utility 4-Door
  • LT Sport Utility 4-Door

Engines covered

  • 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
  • 4.2L 256Cu. In. l6 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Payment methods

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  • Google Pay
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  • Mastercard
  • PayPal
  • Union Pay
  • Visa

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Vehicle Safety Data

2009 Chevrolet Trailblazer Recalls & Complaints

No active recalls The 2009 Chevrolet Trailblazer has no recalls on file with NHTSA.
TSB #11023091

New Vehicle Monitoring Programs Section in IVH

TSB #11021792

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

TSB #11020816

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

TSB #11019074

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11019073

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11019072

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11014455

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the

TSB #11011782

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking

Showing the 8 most recent of 964 technical service bulletins on file with NHTSA.

20190306Component: AIR BAGSCrash reported1 injured

TRAVELING ON HIGHWAY APPLIED BRAKES AND HIT CAR IN REAR. AIR BAGS NOT DEPLOYED.

20170112Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNED A 2009 CHEVROLET TRAILBLAZER. WHILE DRIVING 70 MPH, THE CONTACT'S VEHICLE REAR ENDED ANOTHER VEHICLE. IN TURN, THE CONTACT'S VEHICLE WAS STRUCK BY A SEMI-TRUC

20150406Component: AIR BAGSCrash reported

TL* THE CONTACT OWNED A 2009 CHEVROLET TRAILBLAZER. WHILE DRIVING AT AN UNKNOWN SPEED, THE VEHICLE GENTLY CRASHED INTO A CURB. THE AIR BAGS ON THE PASSENGER SIDE DEPLOYED SHORTLY A

20150202Component: ELECTRICAL SYSTEMCrash reported

AS I WAS DRIVING IN MY YARD I HAPPENED TO BUMP THE IGNITION KEY AND THE MOTOR CUT OUT AND DIED. THIS CAUSED ME TO NOT BE ABLE TO TURN AND AVOID BUMPING A POST CAUSING SOME BODY DAM

Showing the 4 most serious of 34 complaints filed with NHTSA.

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