The service and repair manual for the 2006 Hummer H3 — the 3.5L I5 engine, 3 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 | 2006 |
|---|---|
| Engines | 3.5L I5 — 211 cu in, DOHC |
| Trims | Base Sport Utility 4-Door · Luxury Sport Utility 4-Door · Adventure Sport Utility 4-Door |
| Federal record | 3 recalls · 470 complaints · 295 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2006 H3 manual






03 / ContentsSections in the manual
- Quick Lookups 292
- General Information 1,862
- Accessories & Equipment 2,585
- Heating, Ventilation & A/C (HVAC) 137
- Body & Frame 968
- Maintenance 14
- Brakes 798
- Restraints 313
- Drivelines & Axles 296
- Steering 152
- Electrical 1,425
- Suspension 199
- Engine Mechanical 491
- Transmission 289
- Engine Performance 1,716
- Normal reading should be approximately 215
- Oil Pressure 12
04 / Known issuesRecalls on federal record for the 2006 H3
- Air Bags — frontal · 06V417000If the passenger sensing system malfunctions, the front air bag on the passenger side may be disable.
- Structure — body › hood · 10V179000If the vehicle is being driving when this occurs, it could strike a following vehicle and cause inju.
- Equipment — other › labels · 05V552000A misprinted label could lead to improper vehicle loading specifications or tire inflation which cou.
Owners have filed 470 complaints and Hummer has issued 295 technical service bulletins for the 2006 H3. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2006 H3 manual
Is this manual specific to the 2006 H3?
Yes. It is the OEM manual matched to the 2006 model year, covering the 3.5L I5 across the Base Sport Utility 4-Door, Luxury Sport Utility 4-Door, Adventure Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Hummer published for this year.
What 2006 H3 problems does it help with?
3 recalls are on federal record for the 2006 H3, covering air bags, structure, equipment. 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 2006 H3 wiring diagrams?
Yes — the complete wiring diagrams for the 2006 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 2006 Hummer models
2010 H3 · 2009 H3 · 2008 H3 · 2007 H3 · all 5 years