The service and repair manual for the 2010 Hummer H3 — 3.7L I5 and 5.3L V8 engines, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones Hummer published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2010 |
|---|---|
| Engines | 3.7L I5 — 223 cu in, DOHC 5.3L V8 — 325 cu in, OHV |
| Trims | Base Sport Utility 4-Door · Luxury Sport Utility 4-Door · Adventure Sport Utility 4-Door · Alpha Sport Utility 4-Door |
| Federal record | 1 recall · 8 complaints · 367 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2010 H3 manual






03 / ContentsSections in the manual
- Quick Lookups 466
- General Information 1,781
- Accessories & Equipment 3,849
- Heating, Ventilation & A/C (HVAC) 190
- Body & Frame 1,197
- Maintenance 16
- Brakes 672
- Restraints 386
- Drivelines & Axles 356
- Steering 134
- Electrical 2,840
- Suspension 213
- Engine Mechanical 830
- Transmission 1,099
- Engine Performance 2,190
- Front 191
04 / Known issuesRecalls on federal record for the 2010 H3
- Structure — body › hood · 10V179000If the vehicle is being driving when this occurs, it could strike a following vehicle and cause inju.
Owners have filed 8 complaints and Hummer has issued 367 technical service bulletins for the 2010 H3. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2010 H3 manual
Is this manual specific to the 2010 H3?
Yes. It is the OEM manual matched to the 2010 model year, covering the 3.7L I5 and 5.3L V8 across the Base Sport Utility 4-Door, Luxury Sport Utility 4-Door, Adventure Sport Utility 4-Door, Alpha Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Hummer published for this year.
What 2010 H3 problems does it help with?
1 recall is on federal record for the 2010 H3, covering structure. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Hummer dealers.
Does it include 2010 H3 wiring diagrams?
Yes — the complete wiring diagrams for the 2010 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 H3 years and 2010 Hummer models
2009 H3 · 2008 H3 · 2007 H3 · 2006 H3 · all 5 years