The service and repair manual for the 2005 GMC Sierra 3500 — 6.6L V8 and 6.0L V8 and 8.1L V8 engines, 17 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 year | 2005 |
|---|---|
| Engines | 6.6L V8 — 403 cu in, OHV, turbocharged 6.0L V8 — 364 cu in, OHV 8.1L V8 — OHV |
| Trims | WT Crew Cab Pickup 4-Door · Base Standard Cab Pickup 2-Door · SLT Crew Cab Pickup 4-Door · Base Extended Cab Pickup 4-Door · WT Extended Cab Pickup 4-Door · Base Crew Cab Pickup 4-Door +11 |
| Federal record | 1 recall · 29 complaints · 144 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2005 Sierra 3500 manual






03 / ContentsSections in the manual
- Quick Lookups 349
- General Information 1,875
- Accessories & Equipment 4,057
- Heating, Ventilation & A/C (HVAC) 443
- Body & Frame 2,148
- Maintenance 20
- Brakes 861
- Restraints 314
- Drivelines & Axles 670
- Steering 781
- Electrical 2,291
- Suspension 194
- Engine Mechanical 1,338
- Transmission 924
- Engine Performance 849
- Axle Nut/Hub Nut 177
04 / Known issuesRecalls on federal record for the 2005 Sierra 3500
- Fuel System, Gasoline · 06E043000This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. i.
Owners have filed 29 complaints and GMC has issued 144 technical service bulletins for the 2005 Sierra 3500. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2005 Sierra 3500 manual
Is this manual specific to the 2005 Sierra 3500?
Yes. It is the OEM manual matched to the 2005 model year, covering the 6.6L V8 and 6.0L V8 and 8.1L V8 across the WT Crew Cab Pickup 4-Door, Base Standard Cab Pickup 2-Door, SLT Crew Cab Pickup 4-Door, Base Extended Cab Pickup 4-Door, WT Extended Cab Pickup 4-Door, Base Crew Cab Pickup 4-Door, Base Cab & Chassis 4-Door, Base Cab & Chassis 2-Door, SLE Extended Cab Pickup 4-Door, WT Cab & Chassis 4-Door, SLE Cab & Chassis 4-Door, WT Cab & Chassis 2-Door, SLE Cab & Chassis 2-Door, SLE Crew Cab Pickup 4-Door, SLT 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 2005 Sierra 3500 problems does it help with?
1 recall is on federal record for the 2005 Sierra 3500, covering fuel system, gasoline. 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 2005 Sierra 3500 wiring diagrams?
Yes — the complete wiring diagrams for the 2005 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 3500 years and 2005 GMC models
2006 Sierra 3500 · 2004 Sierra 3500 · 2003 Sierra 3500 · 2002 Sierra 3500 · 2001 Sierra 3500 · all 6 years
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