The service and repair manual for the 2004 Chevrolet Trailblazer — the 4.2L I6 engine, 6 trims. Matched to this exact model year, so the specifications and sequences are the ones Chevrolet published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2004 |
|---|---|
| Engines | 4.2L I6 — DOHC |
| Trims | B Sport Utility 4-Door · Base Sport Utility 4-Door · LS Sport Utility 4-Door · North Face Sport Utility 4-Door · A Sport Utility 4-Door · LT Sport Utility 4-Door |
| Other 2004 Trailblazer variants | Trailblazer EXT → |
| Federal record | 2 recalls · 1,302 complaints · 436 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2004 Trailblazer manual
03 / ContentsSections in the manual
- Quick Lookups 582
- General Information 2,121
- Accessories & Equipment 3,991
- Heating, Ventilation & A/C (HVAC) 472
- Body & Frame 2,403
- Maintenance 33
- Brakes 648
- Restraints 244
- Drivelines & Axles 328
- Steering 214
- Electrical 1,904
- Suspension 214
- Engine Mechanical 659
- Transmission 1,465
- Engine Performance 1,481
04 / Known issuesRecalls on federal record for the 2004 Trailblazer
- Exterior Lighting — turn signal · 05V198000The driver may not be able to clearly signal their intentions to turn, change travel lanes.
- Exterior Lighting — brake lights · 04V527000An inoperative brake lamp will not convey the driver's intention of stopping to drivers in.
Owners have filed 1,302 complaints and Chevrolet has issued 436 technical service bulletins for the 2004 Trailblazer. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2004 Trailblazer manual
Is this manual specific to the 2004 Trailblazer?
Yes. It is the OEM manual matched to the 2004 model year, covering the 4.2L I6 across the B Sport Utility 4-Door, Base Sport Utility 4-Door, LS Sport Utility 4-Door, North Face Sport Utility 4-Door, A Sport Utility 4-Door, LT Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Chevrolet published for this year.
What 2004 Trailblazer problems does it help with?
2 recalls are on federal record for the 2004 Trailblazer, covering exterior lighting. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Chevrolet dealers.
Does it include 2004 Trailblazer wiring diagrams?
Yes — the complete wiring diagrams for the 2004 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther Trailblazer years and 2004 Chevrolet models
2009 Trailblazer · 2008 Trailblazer · 2007 Trailblazer · 2006 Trailblazer · 2005 Trailblazer · 2003 Trailblazer · 2002 Trailblazer · all 12 years
2004 Chevrolet Astra · 2004 Chevrolet Astro · 2004 Chevrolet Avalanche 1500 · 2004 Chevrolet Avalanche 2500 · 2004 Chevrolet Aveo · 2004 Chevrolet Blazer · 2004 Chevrolet C4500 Kodiak · 2004 Chevrolet C5500 Kodiak · 2004 Chevrolet C6500 Kodiak · 2004 Chevrolet C7500 Kodiak · 2004 Chevrolet C8500 · 2004 Chevrolet Camaro · every 2004 model