2004 GMC Sierra 2500 Service & Repair Manual

← 2003All Sierra 2500 years

The service and repair manual for the 2004 GMC Sierra 2500 — the 6.0L V8 engine, 9 trims. Matched to this exact model year, so the specifications and sequences are the ones GMC published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year2004
Engines
6.0L V8 — 364 cu in, OHV
TrimsBase Standard Cab Pickup 2-Door · SLT Crew Cab Pickup 4-Door · Base Extended Cab Pickup 4-Door · WT Extended Cab Pickup 4-Door · SLE Crew Cab Pickup 4-Door · SLT Extended Cab Pickup 4-Door +3
Other 2004 Sierra 2500 variantsSierra 2500 HD →
Federal record2 recalls · 175 complaints · 132 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2004 Sierra 2500 manual

2004 GMC Sierra 2500 service manual page 12004 GMC Sierra 2500 service manual page 22004 GMC Sierra 2500 service manual page 32004 GMC Sierra 2500 service manual page 42004 GMC Sierra 2500 service manual page 52004 GMC Sierra 2500 service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 702
  • General Information 2,168
  • Accessories & Equipment 3,986
  • Heating, Ventilation & A/C (HVAC) 437
  • Body & Frame 2,161
  • Maintenance 32
  • Brakes 744
  • Restraints 308
  • Drivelines & Axles 456
  • Steering 757
  • Electrical 3,151
  • Suspension 195
  • Engine Mechanical 1,273
  • Transmission 803
  • Engine Performance 1,792

04 / Known issuesRecalls on federal record for the 2004 Sierra 2500

  1. Equipment Adaptive/Mobility · 04V562000
    In the event of a vehicle crash, the wheelchair may not be adequately secured possibly resulting in.
  2. Steering · 06E010000
    Loss of steering control could lead to a vehicle crash with potential injury or death.

Owners have filed 175 complaints and GMC has issued 132 technical service bulletins for the 2004 Sierra 2500. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2004 Sierra 2500 manual

Is this manual specific to the 2004 Sierra 2500?

Yes. It is the OEM manual matched to the 2004 model year, covering the 6.0L V8 across the Base Standard Cab Pickup 2-Door, SLT Crew Cab Pickup 4-Door, Base Extended Cab Pickup 4-Door, WT Extended Cab Pickup 4-Door, SLE Crew Cab Pickup 4-Door, SLT Extended Cab Pickup 4-Door, SLE Extended Cab Pickup 4-Door, WT Standard Cab Pickup 2-Door, SLE Standard Cab Pickup 2-Door trims. Specifications and procedure sequences are the ones GMC published for this year.

What 2004 Sierra 2500 problems does it help with?

2 recalls are on federal record for the 2004 Sierra 2500, covering equipment adaptive/mobility, steering. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by GMC dealers.

Does it include 2004 Sierra 2500 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 Sierra 2500 years and 2004 GMC models

2003 Sierra 2500 · 2002 Sierra 2500 · 2001 Sierra 2500 · 2000 Sierra 2500 · 1999 Sierra 2500 · all 6 years

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