Service and repair manuals for 2 model years of the Hummer H3T, 2009 to 2010. Each manual is matched to one exact year — the specifications and procedure sequences are the ones Hummer published for that year's engine and trim, not values carried across the whole production run.
Engines across the range: 5.3L V8 — 325 cu in, OHV · 3.7L I5 — 223 cu in, DOHC.
01 / Model yearsChoose your H3T year
| Year | Price | Recalls | Engines | Trims | |
|---|---|---|---|---|---|
| 2010 | $29.99 | — | 3.7L I5; 5.3L V8 | Adventure Crew Cab Pickup 4-Door · Alpha Crew Cab Pickup 4-Door · Base Crew Cab Pickup 4-Door | select |
| 2009 | $29.99 | — | 5.3L V8; 3.7L I5 | Alpha Crew Cab Pickup 4-Door · Base Crew Cab Pickup 4-Door | select |
02 / InsideSample pages
From the 2010 H3T manual.
03 / ContentsWhat the manual covers
- Quick Lookups 464
- 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 2,189
- Front 191
04 / Other yearsOther H3T years
2010 Hummer H3T · $29.99 select →
Engines: 3.7L I5 — 223 cu in, DOHC; 5.3L V8 — 325 cu in, OHV. Trims: Adventure Crew Cab Pickup 4-Door · Alpha Crew Cab Pickup 4-Door · Base Crew Cab Pickup 4-Door.
No recalls on federal record for the 2010 H3T.
2009 Hummer H3T · $29.99 select →
Engines: 5.3L V8 — 325 cu in, OHV; 3.7L I5 — 223 cu in, DOHC. Trims: Alpha Crew Cab Pickup 4-Door · Base Crew Cab Pickup 4-Door.
No recalls on federal record for the 2009 H3T.
05 / OwnershipOwn it — don't rent it
| Option | What you pay | After a year |
|---|---|---|
| eManualStore H3T manual | $29.99 once | Still yours |
| Per-vehicle online subscription | from $29 / year, renewing | Pay again or lose access |
| Library membership services | $33 / month, capped | $396 spent, nothing kept |
| Professional shop databases | $499–$2,388 / year | Renew or lose access |
Competitor figures as published on their sites, August 2026.
FAQQuestions about the H3T manual
Which H3T years does this manual cover?
Every year from 2009 to 2010 — 2 separate manuals, one per model year. Pick your year in the selector; the manual you receive is matched to that exact year, engine and trim.
Is this the OEM Hummer H3T manual or an aftermarket guide?
The OEM version. It carries the procedures, specifications, torque values and wiring diagrams Hummer published for the H3T, organized by system — not a condensed aftermarket summary.
Does it include H3T wiring diagrams?
Yes. Full wiring diagrams are part of every H3T manual, alongside repair procedures, specifications and diagnostic information.
Why do some H3T years cost more?
Every H3T year is $29.99.
Is this a subscription?
No. One payment, and the manual is yours to keep — unlike per-vehicle subscriptions that renew every year.
How do I get the manual after purchase?
It is a digital manual — nothing ships. Access details arrive by email right after checkout, and you can use it on any device.